convert submodules to normal folders for now

raylib/examples/models/models_animation.c

@@ -0,0 +1,111 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Load 3d model with animations and play them
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 3.5
+*
+*   Example contributed by Culacant (@culacant) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2024 Culacant (@culacant) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************
+*
+*   NOTE: To export a model from blender, make sure it is not posed, the vertices need to be 
+*         in the same position as they would be in edit mode and the scale of your models is 
+*         set to 0. Scaling can be done from the export menu.
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - model animation");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera mode type
+
+    Model model = LoadModel("resources/models/iqm/guy.iqm");                    // Load the animated model mesh and basic data
+    Texture2D texture = LoadTexture("resources/models/iqm/guytex.png");         // Load model texture and set material
+    SetMaterialTexture(&model.materials[0], MATERIAL_MAP_DIFFUSE, texture);     // Set model material map texture
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f };            // Set model position
+
+    // Load animation data
+    int animsCount = 0;
+    ModelAnimation *anims = LoadModelAnimations("resources/models/iqm/guyanim.iqm", &animsCount);
+    int animFrameCounter = 0;
+
+    DisableCursor();                    // Catch cursor
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        // Play animation when spacebar is held down
+        if (IsKeyDown(KEY_SPACE))
+        {
+            animFrameCounter++;
+            UpdateModelAnimation(model, anims[0], animFrameCounter);
+            if (animFrameCounter >= anims[0].frameCount) animFrameCounter = 0;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModelEx(model, position, (Vector3){ 1.0f, 0.0f, 0.0f }, -90.0f, (Vector3){ 1.0f, 1.0f, 1.0f }, WHITE);
+
+                for (int i = 0; i < model.boneCount; i++)
+                {
+                    DrawCube(anims[0].framePoses[animFrameCounter][i].translation, 0.2f, 0.2f, 0.2f, RED);
+                }
+
+                DrawGrid(10, 1.0f);         // Draw a grid
+
+            EndMode3D();
+
+            DrawText("PRESS SPACE to PLAY MODEL ANIMATION", 10, 10, 20, MAROON);
+            DrawText("(c) Guy IQM 3D model by @culacant", screenWidth - 200, screenHeight - 20, 10, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture);                     // Unload texture
+    UnloadModelAnimations(anims, animsCount);   // Unload model animations data
+    UnloadModel(model);                         // Unload model
+
+    CloseWindow();                  // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_billboard.c

@@ -0,0 +1,113 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Drawing billboards
+*
+*   Example originally created with raylib 1.3, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+#include "raymath.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - drawing billboards");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 5.0f, 4.0f, 5.0f };    // Camera position
+    camera.target = (Vector3){ 0.0f, 2.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Texture2D bill = LoadTexture("resources/billboard.png");    // Our billboard texture
+    Vector3 billPositionStatic = { 0.0f, 2.0f, 0.0f };          // Position of static billboard
+    Vector3 billPositionRotating = { 1.0f, 2.0f, 1.0f };        // Position of rotating billboard
+
+    // Entire billboard texture, source is used to take a segment from a larger texture.
+    Rectangle source = { 0.0f, 0.0f, (float)bill.width, (float)bill.height };
+
+    // NOTE: Billboard locked on axis-Y
+    Vector3 billUp = { 0.0f, 1.0f, 0.0f };
+
+    // Set the height of the rotating billboard to 1.0 with the aspect ratio fixed
+    Vector2 size = { source.width/source.height, 1.0f };
+
+    // Rotate around origin
+    // Here we choose to rotate around the image center
+    Vector2 origin = Vector2Scale(size, 0.5f);
+
+    // Distance is needed for the correct billboard draw order
+    // Larger distance (further away from the camera) should be drawn prior to smaller distance.
+    float distanceStatic;
+    float distanceRotating;
+    float rotation = 0.0f;
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+
+        rotation += 0.4f;
+        distanceStatic = Vector3Distance(camera.position, billPositionStatic);
+        distanceRotating = Vector3Distance(camera.position, billPositionRotating);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+                // Draw order matters!
+                if (distanceStatic > distanceRotating) 
+                {
+                    DrawBillboard(camera, bill, billPositionStatic, 2.0f, WHITE);
+                    DrawBillboardPro(camera, bill, source, billPositionRotating, billUp, size, origin, rotation, WHITE);
+                } 
+                else
+                {
+                    DrawBillboardPro(camera, bill, source, billPositionRotating, billUp, size, origin, rotation, WHITE);
+                    DrawBillboard(camera, bill, billPositionStatic, 2.0f, WHITE);
+                }
+                
+            EndMode3D();
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(bill);        // Unload texture
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_bone_socket.c

@@ -0,0 +1,177 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Using bones as socket for calculating the positioning of something
+* 
+*   Example originally created with raylib 4.5, last time updated with raylib 4.5
+*
+*   Example contributed by iP (@ipzaur) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2024 iP (@ipzaur)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "raymath.h"
+
+#define BONE_SOCKETS        3
+#define BONE_SOCKET_HAT     0
+#define BONE_SOCKET_HAND_R  1
+#define BONE_SOCKET_HAND_L  2
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - bone socket");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 5.0f, 5.0f, 5.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 2.0f, 0.0f };  // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };      // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                            // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;         // Camera projection type
+
+    // Load gltf model
+    Model characterModel = LoadModel("resources/models/gltf/greenman.glb"); // Load character model
+    Model equipModel[BONE_SOCKETS] = {
+        LoadModel("resources/models/gltf/greenman_hat.glb"),    // Index for the hat model is the same as BONE_SOCKET_HAT
+        LoadModel("resources/models/gltf/greenman_sword.glb"),  // Index for the sword model is the same as BONE_SOCKET_HAND_R
+        LoadModel("resources/models/gltf/greenman_shield.glb")  // Index for the shield model is the same as BONE_SOCKET_HAND_L
+    };
+    
+    bool showEquip[3] = { true, true, true };   // Toggle on/off equip
+
+    // Load gltf model animations
+    int animsCount = 0;
+    unsigned int animIndex = 0;
+    unsigned int animCurrentFrame = 0;
+    ModelAnimation *modelAnimations = LoadModelAnimations("resources/models/gltf/greenman.glb", &animsCount);
+
+    // indices of bones for sockets
+    int boneSocketIndex[BONE_SOCKETS] = { -1, -1, -1 };
+
+    // search bones for sockets 
+    for (int i = 0; i < characterModel.boneCount; i++)
+    {
+        if (TextIsEqual(characterModel.bones[i].name, "socket_hat"))
+        {
+            boneSocketIndex[BONE_SOCKET_HAT] = i;
+            continue;
+        }
+        
+        if (TextIsEqual(characterModel.bones[i].name, "socket_hand_R"))
+        {
+            boneSocketIndex[BONE_SOCKET_HAND_R] = i;
+            continue;
+        }
+        
+        if (TextIsEqual(characterModel.bones[i].name, "socket_hand_L"))
+        {
+            boneSocketIndex[BONE_SOCKET_HAND_L] = i;
+            continue;
+        }
+    }
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position
+    unsigned short angle = 0;           // Set angle for rotate character
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_THIRD_PERSON);
+        
+        // Rotate character
+        if (IsKeyDown(KEY_F)) angle = (angle + 1)%360;
+        else if (IsKeyDown(KEY_H)) angle = (360 + angle - 1)%360;
+
+        // Select current animation
+        if (IsKeyPressed(KEY_T)) animIndex = (animIndex + 1)%animsCount;
+        else if (IsKeyPressed(KEY_G)) animIndex = (animIndex + animsCount - 1)%animsCount;
+
+        // Toggle shown of equip
+        if (IsKeyPressed(KEY_ONE)) showEquip[BONE_SOCKET_HAT] = !showEquip[BONE_SOCKET_HAT];
+        if (IsKeyPressed(KEY_TWO)) showEquip[BONE_SOCKET_HAND_R] = !showEquip[BONE_SOCKET_HAND_R];
+        if (IsKeyPressed(KEY_THREE)) showEquip[BONE_SOCKET_HAND_L] = !showEquip[BONE_SOCKET_HAND_L];
+        
+        // Update model animation
+        ModelAnimation anim = modelAnimations[animIndex];
+        animCurrentFrame = (animCurrentFrame + 1)%anim.frameCount;
+        UpdateModelAnimation(characterModel, anim, animCurrentFrame);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+                // Draw character
+                Quaternion characterRotate = QuaternionFromAxisAngle((Vector3){ 0.0f, 1.0f, 0.0f }, angle*DEG2RAD);
+                characterModel.transform = MatrixMultiply(QuaternionToMatrix(characterRotate), MatrixTranslate(position.x, position.y, position.z));
+                UpdateModelAnimation(characterModel, anim, animCurrentFrame);
+                DrawMesh(characterModel.meshes[0], characterModel.materials[1], characterModel.transform);
+
+                // Draw equipments (hat, sword, shield)
+                for (int i = 0; i < BONE_SOCKETS; i++)
+                {
+                    if (!showEquip[i]) continue;
+
+                    Transform *transform = &anim.framePoses[animCurrentFrame][boneSocketIndex[i]];
+                    Quaternion inRotation = characterModel.bindPose[boneSocketIndex[i]].rotation;
+                    Quaternion outRotation = transform->rotation;
+                    
+                    // Calculate socket rotation (angle between bone in initial pose and same bone in current animation frame)
+                    Quaternion rotate = QuaternionMultiply(outRotation, QuaternionInvert(inRotation));
+                    Matrix matrixTransform = QuaternionToMatrix(rotate);
+                    // Translate socket to its position in the current animation
+                    matrixTransform = MatrixMultiply(matrixTransform, MatrixTranslate(transform->translation.x, transform->translation.y, transform->translation.z));
+                    // Transform the socket using the transform of the character (angle and translate)
+                    matrixTransform = MatrixMultiply(matrixTransform, characterModel.transform);
+                    
+                    // Draw mesh at socket position with socket angle rotation
+                    DrawMesh(equipModel[i].meshes[0], equipModel[i].materials[1], matrixTransform);
+                }
+
+                DrawGrid(10, 1.0f);
+            EndMode3D();
+
+            DrawText("Use the T/G to switch animation", 10, 10, 20, GRAY);
+            DrawText("Use the F/H to rotate character left/right", 10, 35, 20, GRAY);
+            DrawText("Use the 1,2,3 to toggle shown of hat, sword and shield", 10, 60, 20, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadModelAnimations(modelAnimations, animsCount);
+    UnloadModel(characterModel);         // Unload character model and meshes/material
+    
+    // Unload equipment model and meshes/material
+    for (int i = 0; i < BONE_SOCKETS; i++) UnloadModel(equipModel[i]);
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_box_collisions.c

@@ -0,0 +1,126 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Detect basic 3d collisions (box vs sphere vs box)
+*
+*   Example originally created with raylib 1.3, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - box collisions");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { { 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f, 0 };
+
+    Vector3 playerPosition = { 0.0f, 1.0f, 2.0f };
+    Vector3 playerSize = { 1.0f, 2.0f, 1.0f };
+    Color playerColor = GREEN;
+
+    Vector3 enemyBoxPos = { -4.0f, 1.0f, 0.0f };
+    Vector3 enemyBoxSize = { 2.0f, 2.0f, 2.0f };
+
+    Vector3 enemySpherePos = { 4.0f, 0.0f, 0.0f };
+    float enemySphereSize = 1.5f;
+
+    bool collision = false;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+
+        // Move player
+        if (IsKeyDown(KEY_RIGHT)) playerPosition.x += 0.2f;
+        else if (IsKeyDown(KEY_LEFT)) playerPosition.x -= 0.2f;
+        else if (IsKeyDown(KEY_DOWN)) playerPosition.z += 0.2f;
+        else if (IsKeyDown(KEY_UP)) playerPosition.z -= 0.2f;
+
+        collision = false;
+
+        // Check collisions player vs enemy-box
+        if (CheckCollisionBoxes(
+            (BoundingBox){(Vector3){ playerPosition.x - playerSize.x/2,
+                                     playerPosition.y - playerSize.y/2,
+                                     playerPosition.z - playerSize.z/2 },
+                          (Vector3){ playerPosition.x + playerSize.x/2,
+                                     playerPosition.y + playerSize.y/2,
+                                     playerPosition.z + playerSize.z/2 }},
+            (BoundingBox){(Vector3){ enemyBoxPos.x - enemyBoxSize.x/2,
+                                     enemyBoxPos.y - enemyBoxSize.y/2,
+                                     enemyBoxPos.z - enemyBoxSize.z/2 },
+                          (Vector3){ enemyBoxPos.x + enemyBoxSize.x/2,
+                                     enemyBoxPos.y + enemyBoxSize.y/2,
+                                     enemyBoxPos.z + enemyBoxSize.z/2 }})) collision = true;
+
+        // Check collisions player vs enemy-sphere
+        if (CheckCollisionBoxSphere(
+            (BoundingBox){(Vector3){ playerPosition.x - playerSize.x/2,
+                                     playerPosition.y - playerSize.y/2,
+                                     playerPosition.z - playerSize.z/2 },
+                          (Vector3){ playerPosition.x + playerSize.x/2,
+                                     playerPosition.y + playerSize.y/2,
+                                     playerPosition.z + playerSize.z/2 }},
+            enemySpherePos, enemySphereSize)) collision = true;
+
+        if (collision) playerColor = RED;
+        else playerColor = GREEN;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // Draw enemy-box
+                DrawCube(enemyBoxPos, enemyBoxSize.x, enemyBoxSize.y, enemyBoxSize.z, GRAY);
+                DrawCubeWires(enemyBoxPos, enemyBoxSize.x, enemyBoxSize.y, enemyBoxSize.z, DARKGRAY);
+
+                // Draw enemy-sphere
+                DrawSphere(enemySpherePos, enemySphereSize, GRAY);
+                DrawSphereWires(enemySpherePos, enemySphereSize, 16, 16, DARKGRAY);
+
+                // Draw player
+                DrawCubeV(playerPosition, playerSize, playerColor);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+            EndMode3D();
+
+            DrawText("Move player with arrow keys to collide", 220, 40, 20, GRAY);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_cubicmap.c

@@ -0,0 +1,99 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Cubicmap loading and drawing
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - cubesmap loading and drawing");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 16.0f, 14.0f, 16.0f };     // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };          // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };              // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                    // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;                 // Camera projection type
+
+    Image image = LoadImage("resources/cubicmap.png");      // Load cubicmap image (RAM)
+    Texture2D cubicmap = LoadTextureFromImage(image);       // Convert image to texture to display (VRAM)
+
+    Mesh mesh = GenMeshCubicmap(image, (Vector3){ 1.0f, 1.0f, 1.0f });
+    Model model = LoadModelFromMesh(mesh);
+
+    // NOTE: By default each cube is mapped to one part of texture atlas
+    Texture2D texture = LoadTexture("resources/cubicmap_atlas.png");    // Load map texture
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;    // Set map diffuse texture
+
+    Vector3 mapPosition = { -16.0f, 0.0f, -8.0f };          // Set model position
+
+    UnloadImage(image);     // Unload cubesmap image from RAM, already uploaded to VRAM
+
+    bool pause = false;     // Pause camera orbital rotation (and zoom)
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsKeyPressed(KEY_P)) pause = !pause;
+
+        if (!pause) UpdateCamera(&camera, CAMERA_ORBITAL);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModel(model, mapPosition, 1.0f, WHITE);
+
+            EndMode3D();
+
+            DrawTextureEx(cubicmap, (Vector2){ screenWidth - cubicmap.width*4.0f - 20, 20.0f }, 0.0f, 4.0f, WHITE);
+            DrawRectangleLines(screenWidth - cubicmap.width*4 - 20, 20, cubicmap.width*4, cubicmap.height*4, GREEN);
+
+            DrawText("cubicmap image used to", 658, 90, 10, GRAY);
+            DrawText("generate map 3d model", 658, 104, 10, GRAY);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(cubicmap);    // Unload cubicmap texture
+    UnloadTexture(texture);     // Unload map texture
+    UnloadModel(model);         // Unload map model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_draw_cube_texture.c

@@ -0,0 +1,245 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Draw textured cube
+*
+*   Example originally created with raylib 4.5, last time updated with raylib 4.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2022-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "rlgl.h"       // Required to define vertex data (immediate-mode style)
+
+//------------------------------------------------------------------------------------
+// Custom Functions Declaration
+//------------------------------------------------------------------------------------
+void DrawCubeTexture(Texture2D texture, Vector3 position, float width, float height, float length, Color color); // Draw cube textured
+void DrawCubeTextureRec(Texture2D texture, Rectangle source, Vector3 position, float width, float height, float length, Color color); // Draw cube with a region of a texture
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - draw cube texture");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.0f, 10.0f, 10.0f };
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
+    camera.fovy = 45.0f;
+    camera.projection = CAMERA_PERSPECTIVE;
+    
+    // Load texture to be applied to the cubes sides
+    Texture2D texture = LoadTexture("resources/cubicmap_atlas.png");
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // TODO: Update your variables here
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // Draw cube with an applied texture
+                DrawCubeTexture(texture, (Vector3){ -2.0f, 2.0f, 0.0f }, 2.0f, 4.0f, 2.0f, WHITE);
+
+                // Draw cube with an applied texture, but only a defined rectangle piece of the texture
+                DrawCubeTextureRec(texture, (Rectangle){ 0.0f, texture.height/2.0f, texture.width/2.0f, texture.height/2.0f }, 
+                    (Vector3){ 2.0f, 1.0f, 0.0f }, 2.0f, 2.0f, 2.0f, WHITE);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+            EndMode3D();
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture); // Unload texture
+    
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+//------------------------------------------------------------------------------------
+// Custom Functions Definition
+//------------------------------------------------------------------------------------
+// Draw cube textured
+// NOTE: Cube position is the center position
+void DrawCubeTexture(Texture2D texture, Vector3 position, float width, float height, float length, Color color)
+{
+    float x = position.x;
+    float y = position.y;
+    float z = position.z;
+
+    // Set desired texture to be enabled while drawing following vertex data
+    rlSetTexture(texture.id);
+
+    // Vertex data transformation can be defined with the commented lines,
+    // but in this example we calculate the transformed vertex data directly when calling rlVertex3f()
+    //rlPushMatrix();
+        // NOTE: Transformation is applied in inverse order (scale -> rotate -> translate)
+        //rlTranslatef(2.0f, 0.0f, 0.0f);
+        //rlRotatef(45, 0, 1, 0);
+        //rlScalef(2.0f, 2.0f, 2.0f);
+
+        rlBegin(RL_QUADS);
+            rlColor4ub(color.r, color.g, color.b, color.a);
+            // Front Face
+            rlNormal3f(0.0f, 0.0f, 1.0f);       // Normal Pointing Towards Viewer
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z + length/2);  // Bottom Left Of The Texture and Quad
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z + length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z + length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z + length/2);  // Top Left Of The Texture and Quad
+            // Back Face
+            rlNormal3f(0.0f, 0.0f, - 1.0f);     // Normal Pointing Away From Viewer
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z - length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z - length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z - length/2);  // Top Left Of The Texture and Quad
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z - length/2);  // Bottom Left Of The Texture and Quad
+            // Top Face
+            rlNormal3f(0.0f, 1.0f, 0.0f);       // Normal Pointing Up
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z - length/2);  // Top Left Of The Texture and Quad
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x - width/2, y + height/2, z + length/2);  // Bottom Left Of The Texture and Quad
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x + width/2, y + height/2, z + length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z - length/2);  // Top Right Of The Texture and Quad
+            // Bottom Face
+            rlNormal3f(0.0f, - 1.0f, 0.0f);     // Normal Pointing Down
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x - width/2, y - height/2, z - length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x + width/2, y - height/2, z - length/2);  // Top Left Of The Texture and Quad
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z + length/2);  // Bottom Left Of The Texture and Quad
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z + length/2);  // Bottom Right Of The Texture and Quad
+            // Right face
+            rlNormal3f(1.0f, 0.0f, 0.0f);       // Normal Pointing Right
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z - length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z - length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z + length/2);  // Top Left Of The Texture and Quad
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z + length/2);  // Bottom Left Of The Texture and Quad
+            // Left Face
+            rlNormal3f( - 1.0f, 0.0f, 0.0f);    // Normal Pointing Left
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z - length/2);  // Bottom Left Of The Texture and Quad
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z + length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z + length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z - length/2);  // Top Left Of The Texture and Quad
+        rlEnd();
+    //rlPopMatrix();
+
+    rlSetTexture(0);
+}
+
+// Draw cube with texture piece applied to all faces
+void DrawCubeTextureRec(Texture2D texture, Rectangle source, Vector3 position, float width, float height, float length, Color color)
+{
+    float x = position.x;
+    float y = position.y;
+    float z = position.z;
+    float texWidth = (float)texture.width;
+    float texHeight = (float)texture.height;
+
+    // Set desired texture to be enabled while drawing following vertex data
+    rlSetTexture(texture.id);
+
+    // We calculate the normalized texture coordinates for the desired texture-source-rectangle
+    // It means converting from (tex.width, tex.height) coordinates to [0.0f, 1.0f] equivalent 
+    rlBegin(RL_QUADS);
+        rlColor4ub(color.r, color.g, color.b, color.a);
+
+        // Front face
+        rlNormal3f(0.0f, 0.0f, 1.0f);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z + length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z + length/2);
+
+        // Back face
+        rlNormal3f(0.0f, 0.0f, - 1.0f);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z - length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z - length/2);
+
+        // Top face
+        rlNormal3f(0.0f, 1.0f, 0.0f);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z - length/2);
+
+        // Bottom face
+        rlNormal3f(0.0f, - 1.0f, 0.0f);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z + length/2);
+
+        // Right face
+        rlNormal3f(1.0f, 0.0f, 0.0f);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z - length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z + length/2);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z + length/2);
+
+        // Left face
+        rlNormal3f( - 1.0f, 0.0f, 0.0f);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z - length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z + length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z - length/2);
+
+    rlEnd();
+
+    rlSetTexture(0);
+}

raylib/examples/models/models_first_person_maze.c

@@ -0,0 +1,132 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - first person maze
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <stdlib.h>           // Required for: free()
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - first person maze");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.2f, 0.4f, 0.2f };    // Camera position
+    camera.target = (Vector3){ 0.185f, 0.4f, 0.0f };    // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Image imMap = LoadImage("resources/cubicmap.png");      // Load cubicmap image (RAM)
+    Texture2D cubicmap = LoadTextureFromImage(imMap);       // Convert image to texture to display (VRAM)
+    Mesh mesh = GenMeshCubicmap(imMap, (Vector3){ 1.0f, 1.0f, 1.0f });
+    Model model = LoadModelFromMesh(mesh);
+
+    // NOTE: By default each cube is mapped to one part of texture atlas
+    Texture2D texture = LoadTexture("resources/cubicmap_atlas.png");    // Load map texture
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;    // Set map diffuse texture
+
+    // Get map image data to be used for collision detection
+    Color *mapPixels = LoadImageColors(imMap);
+    UnloadImage(imMap);             // Unload image from RAM
+
+    Vector3 mapPosition = { -16.0f, 0.0f, -8.0f };  // Set model position
+
+    DisableCursor();                // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        Vector3 oldCamPos = camera.position;    // Store old camera position
+
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        // Check player collision (we simplify to 2D collision detection)
+        Vector2 playerPos = { camera.position.x, camera.position.z };
+        float playerRadius = 0.1f;  // Collision radius (player is modelled as a cilinder for collision)
+
+        int playerCellX = (int)(playerPos.x - mapPosition.x + 0.5f);
+        int playerCellY = (int)(playerPos.y - mapPosition.z + 0.5f);
+
+        // Out-of-limits security check
+        if (playerCellX < 0) playerCellX = 0;
+        else if (playerCellX >= cubicmap.width) playerCellX = cubicmap.width - 1;
+
+        if (playerCellY < 0) playerCellY = 0;
+        else if (playerCellY >= cubicmap.height) playerCellY = cubicmap.height - 1;
+
+        // Check map collisions using image data and player position
+        // TODO: Improvement: Just check player surrounding cells for collision
+        for (int y = 0; y < cubicmap.height; y++)
+        {
+            for (int x = 0; x < cubicmap.width; x++)
+            {
+                if ((mapPixels[y*cubicmap.width + x].r == 255) &&       // Collision: white pixel, only check R channel
+                    (CheckCollisionCircleRec(playerPos, playerRadius,
+                    (Rectangle){ mapPosition.x - 0.5f + x*1.0f, mapPosition.z - 0.5f + y*1.0f, 1.0f, 1.0f })))
+                {
+                    // Collision detected, reset camera position
+                    camera.position = oldCamPos;
+                }
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+                DrawModel(model, mapPosition, 1.0f, WHITE);                     // Draw maze map
+            EndMode3D();
+
+            DrawTextureEx(cubicmap, (Vector2){ GetScreenWidth() - cubicmap.width*4.0f - 20, 20.0f }, 0.0f, 4.0f, WHITE);
+            DrawRectangleLines(GetScreenWidth() - cubicmap.width*4 - 20, 20, cubicmap.width*4, cubicmap.height*4, GREEN);
+
+            // Draw player position radar
+            DrawRectangle(GetScreenWidth() - cubicmap.width*4 - 20 + playerCellX*4, 20 + playerCellY*4, 4, 4, RED);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadImageColors(mapPixels);   // Unload color array
+
+    UnloadTexture(cubicmap);        // Unload cubicmap texture
+    UnloadTexture(texture);         // Unload map texture
+    UnloadModel(model);             // Unload map model
+
+    CloseWindow();                  // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_geometric_shapes.c

@@ -0,0 +1,88 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Draw some basic geometric shapes (cube, sphere, cylinder...)
+*
+*   Example originally created with raylib 1.0, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2014-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - geometric shapes");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.0f, 10.0f, 10.0f };
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
+    camera.fovy = 45.0f;
+    camera.projection = CAMERA_PERSPECTIVE;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // TODO: Update your variables here
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawCube((Vector3){-4.0f, 0.0f, 2.0f}, 2.0f, 5.0f, 2.0f, RED);
+                DrawCubeWires((Vector3){-4.0f, 0.0f, 2.0f}, 2.0f, 5.0f, 2.0f, GOLD);
+                DrawCubeWires((Vector3){-4.0f, 0.0f, -2.0f}, 3.0f, 6.0f, 2.0f, MAROON);
+
+                DrawSphere((Vector3){-1.0f, 0.0f, -2.0f}, 1.0f, GREEN);
+                DrawSphereWires((Vector3){1.0f, 0.0f, 2.0f}, 2.0f, 16, 16, LIME);
+
+                DrawCylinder((Vector3){4.0f, 0.0f, -2.0f}, 1.0f, 2.0f, 3.0f, 4, SKYBLUE);
+                DrawCylinderWires((Vector3){4.0f, 0.0f, -2.0f}, 1.0f, 2.0f, 3.0f, 4, DARKBLUE);
+                DrawCylinderWires((Vector3){4.5f, -1.0f, 2.0f}, 1.0f, 1.0f, 2.0f, 6, BROWN);
+
+                DrawCylinder((Vector3){1.0f, 0.0f, -4.0f}, 0.0f, 1.5f, 3.0f, 8, GOLD);
+                DrawCylinderWires((Vector3){1.0f, 0.0f, -4.0f}, 0.0f, 1.5f, 3.0f, 8, PINK);
+
+                DrawCapsule     ((Vector3){-3.0f, 1.5f, -4.0f}, (Vector3){-4.0f, -1.0f, -4.0f}, 1.2f, 8, 8, VIOLET);
+                DrawCapsuleWires((Vector3){-3.0f, 1.5f, -4.0f}, (Vector3){-4.0f, -1.0f, -4.0f}, 1.2f, 8, 8, PURPLE);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+            EndMode3D();
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_gpu_skinning.c

@@ -0,0 +1,119 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Doing skinning on the gpu using a vertex shader
+* 
+*   Example originally created with raylib 4.5, last time updated with raylib 4.5
+*
+*   Example contributed by Daniel Holden (@orangeduck) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2024 Daniel Holden (@orangeduck)
+* 
+*   Note: Due to limitations in the Apple OpenGL driver, this feature does not work on MacOS
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "raymath.h"
+
+#if defined(PLATFORM_DESKTOP)
+    #define GLSL_VERSION            330
+#else   // PLATFORM_ANDROID, PLATFORM_WEB
+    #define GLSL_VERSION            100
+#endif
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - GPU skinning");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 5.0f, 5.0f, 5.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 2.0f, 0.0f };  // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };      // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                            // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;         // Camera projection type
+
+    // Load gltf model
+    Model characterModel = LoadModel("resources/models/gltf/greenman.glb"); // Load character model
+    
+    // Load skinning shader
+    Shader skinningShader = LoadShader(TextFormat("resources/shaders/glsl%i/skinning.vs", GLSL_VERSION),
+                                       TextFormat("resources/shaders/glsl%i/skinning.fs", GLSL_VERSION));
+    
+    characterModel.materials[1].shader = skinningShader;
+    
+    // Load gltf model animations
+    int animsCount = 0;
+    unsigned int animIndex = 0;
+    unsigned int animCurrentFrame = 0;
+    ModelAnimation *modelAnimations = LoadModelAnimations("resources/models/gltf/greenman.glb", &animsCount);
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_THIRD_PERSON);
+        
+        // Select current animation
+        if (IsKeyPressed(KEY_T)) animIndex = (animIndex + 1)%animsCount;
+        else if (IsKeyPressed(KEY_G)) animIndex = (animIndex + animsCount - 1)%animsCount;
+
+        // Update model animation
+        ModelAnimation anim = modelAnimations[animIndex];
+        animCurrentFrame = (animCurrentFrame + 1)%anim.frameCount;
+        characterModel.transform = MatrixTranslate(position.x, position.y, position.z);
+        UpdateModelAnimationBones(characterModel, anim, animCurrentFrame);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+            
+                // Draw character mesh, pose calculation is done in shader (GPU skinning)
+                DrawMesh(characterModel.meshes[0], characterModel.materials[1], characterModel.transform);
+
+                DrawGrid(10, 1.0f);
+                
+            EndMode3D();
+
+            DrawText("Use the T/G to switch animation", 10, 10, 20, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadModelAnimations(modelAnimations, animsCount); // Unload model animation
+    UnloadModel(characterModel);    // Unload model and meshes/material
+    UnloadShader(skinningShader);   // Unload GPU skinning shader
+    
+    CloseWindow();                  // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_heightmap.c

@@ -0,0 +1,90 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Heightmap loading and drawing
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - heightmap loading and drawing");
+
+    // Define our custom camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 18.0f, 21.0f, 18.0f };     // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };          // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };              // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                    // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;                 // Camera projection type
+
+    Image image = LoadImage("resources/heightmap.png");     // Load heightmap image (RAM)
+    Texture2D texture = LoadTextureFromImage(image);        // Convert image to texture (VRAM)
+
+    Mesh mesh = GenMeshHeightmap(image, (Vector3){ 16, 8, 16 }); // Generate heightmap mesh (RAM and VRAM)
+    Model model = LoadModelFromMesh(mesh);                  // Load model from generated mesh
+
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture; // Set map diffuse texture
+    Vector3 mapPosition = { -8.0f, 0.0f, -8.0f };           // Define model position
+
+    UnloadImage(image);             // Unload heightmap image from RAM, already uploaded to VRAM
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModel(model, mapPosition, 1.0f, RED);
+
+                DrawGrid(20, 1.0f);
+
+            EndMode3D();
+
+            DrawTexture(texture, screenWidth - texture.width - 20, 20, WHITE);
+            DrawRectangleLines(screenWidth - texture.width - 20, 20, texture.width, texture.height, GREEN);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture);     // Unload texture
+    UnloadModel(model);         // Unload model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_loading.c

@@ -0,0 +1,153 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Models loading
+*
+*   NOTE: raylib supports multiple models file formats:
+*
+*     - OBJ  > Text file format. Must include vertex position-texcoords-normals information,
+*              if files references some .mtl materials file, it will be loaded (or try to).
+*     - GLTF > Text/binary file format. Includes lot of information and it could
+*              also reference external files, raylib will try loading mesh and materials data.
+*     - IQM  > Binary file format. Includes mesh vertex data but also animation data,
+*              raylib can load .iqm animations.
+*     - VOX  > Binary file format. MagikaVoxel mesh format:
+*              https://github.com/ephtracy/voxel-model/blob/master/MagicaVoxel-file-format-vox.txt
+*     - M3D  > Binary file format. Model 3D format:
+*              https://bztsrc.gitlab.io/model3d
+*
+*   Example originally created with raylib 2.0, last time updated with raylib 4.2
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2014-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - models loading");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 50.0f, 50.0f, 50.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 10.0f, 0.0f };     // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;                   // Camera mode type
+
+    Model model = LoadModel("resources/models/obj/castle.obj");                 // Load model
+    Texture2D texture = LoadTexture("resources/models/obj/castle_diffuse.png"); // Load model texture
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;            // Set map diffuse texture
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f };                    // Set model position
+
+    BoundingBox bounds = GetMeshBoundingBox(model.meshes[0]);   // Set model bounds
+
+    // NOTE: bounds are calculated from the original size of the model,
+    // if model is scaled on drawing, bounds must be also scaled
+
+    bool selected = false;          // Selected object flag
+
+    DisableCursor();                // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        // Load new models/textures on drag&drop
+        if (IsFileDropped())
+        {
+            FilePathList droppedFiles = LoadDroppedFiles();
+
+            if (droppedFiles.count == 1) // Only support one file dropped
+            {
+                if (IsFileExtension(droppedFiles.paths[0], ".obj") ||
+                    IsFileExtension(droppedFiles.paths[0], ".gltf") ||
+                    IsFileExtension(droppedFiles.paths[0], ".glb") ||
+                    IsFileExtension(droppedFiles.paths[0], ".vox") ||
+                    IsFileExtension(droppedFiles.paths[0], ".iqm") ||
+                    IsFileExtension(droppedFiles.paths[0], ".m3d"))       // Model file formats supported
+                {
+                    UnloadModel(model);                         // Unload previous model
+                    model = LoadModel(droppedFiles.paths[0]);   // Load new model
+                    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture; // Set current map diffuse texture
+
+                    bounds = GetMeshBoundingBox(model.meshes[0]);
+
+                    // TODO: Move camera position from target enough distance to visualize model properly
+                }
+                else if (IsFileExtension(droppedFiles.paths[0], ".png"))  // Texture file formats supported
+                {
+                    // Unload current model texture and load new one
+                    UnloadTexture(texture);
+                    texture = LoadTexture(droppedFiles.paths[0]);
+                    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;
+                }
+            }
+
+            UnloadDroppedFiles(droppedFiles);    // Unload filepaths from memory
+        }
+
+        // Select model on mouse click
+        if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
+        {
+            // Check collision between ray and box
+            if (GetRayCollisionBox(GetScreenToWorldRay(GetMousePosition(), camera), bounds).hit) selected = !selected;
+            else selected = false;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModel(model, position, 1.0f, WHITE);        // Draw 3d model with texture
+
+                DrawGrid(20, 10.0f);         // Draw a grid
+
+                if (selected) DrawBoundingBox(bounds, GREEN);   // Draw selection box
+
+            EndMode3D();
+
+            DrawText("Drag & drop model to load mesh/texture.", 10, GetScreenHeight() - 20, 10, DARKGRAY);
+            if (selected) DrawText("MODEL SELECTED", GetScreenWidth() - 110, 10, 10, GREEN);
+
+            DrawText("(c) Castle 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture);     // Unload texture
+    UnloadModel(model);         // Unload model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_loading_gltf.c

@@ -0,0 +1,102 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - loading gltf with animations
+*
+*   LIMITATIONS:
+*     - Only supports 1 armature per file, and skips loading it if there are multiple armatures
+*     - Only supports linear interpolation (default method in Blender when checked
+*       "Always Sample Animations" when exporting a GLTF file)
+*     - Only supports translation/rotation/scale animation channel.path,
+*       weights not considered (i.e. morph targets)
+*
+*   Example originally created with raylib 3.7, last time updated with raylib 4.2
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2020-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - loading gltf animations");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 6.0f, 6.0f, 6.0f };    // Camera position
+    camera.target = (Vector3){ 0.0f, 2.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    // Load gltf model
+    Model model = LoadModel("resources/models/gltf/robot.glb");
+    Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position
+    
+    // Load gltf model animations
+    int animsCount = 0;
+    unsigned int animIndex = 0;
+    unsigned int animCurrentFrame = 0;
+    ModelAnimation *modelAnimations = LoadModelAnimations("resources/models/gltf/robot.glb", &animsCount);
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+
+        // Select current animation
+        if (IsMouseButtonPressed(MOUSE_BUTTON_RIGHT)) animIndex = (animIndex + 1)%animsCount;
+        else if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) animIndex = (animIndex + animsCount - 1)%animsCount;
+
+        // Update model animation
+        ModelAnimation anim = modelAnimations[animIndex];
+        animCurrentFrame = (animCurrentFrame + 1)%anim.frameCount;
+        UpdateModelAnimation(model, anim, animCurrentFrame);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+                DrawModel(model, position, 1.0f, WHITE);    // Draw animated model
+                DrawGrid(10, 1.0f);
+            EndMode3D();
+
+            DrawText("Use the LEFT/RIGHT mouse buttons to switch animation", 10, 10, 20, GRAY);
+            DrawText(TextFormat("Animation: %s", anim.name), 10, GetScreenHeight() - 20, 10, DARKGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadModel(model);         // Unload model and meshes/material
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+
+

raylib/examples/models/models_loading_m3d.c

@@ -0,0 +1,174 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Load models M3D
+*
+*   Example originally created with raylib 4.5, last time updated with raylib 4.5
+*
+*   Example contributed by bzt (@bztsrc) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   NOTES:
+*     - Model3D (M3D) fileformat specs: https://gitlab.com/bztsrc/model3d
+*     - Bender M3D exported: https://gitlab.com/bztsrc/model3d/-/tree/master/blender
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2022-2024 bzt (@bztsrc)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - M3D model loading");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 1.5f, 1.5f, 1.5f };    // Camera position
+    camera.target = (Vector3){ 0.0f, 0.4f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f };            // Set model position
+
+    char modelFileName[128] = "resources/models/m3d/cesium_man.m3d";
+    bool drawMesh = 1;
+    bool drawSkeleton = 1;
+    bool animPlaying = false;   // Store anim state, what to draw
+
+    // Load model
+    Model model = LoadModel(modelFileName); // Load the bind-pose model mesh and basic data
+
+    // Load animations
+    int animsCount = 0;
+    int animFrameCounter = 0, animId = 0;
+    ModelAnimation *anims = LoadModelAnimations(modelFileName, &animsCount); // Load skeletal animation data
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        if (animsCount)
+        {
+            // Play animation when spacebar is held down (or step one frame with N)
+            if (IsKeyDown(KEY_SPACE) || IsKeyPressed(KEY_N))
+            {
+                animFrameCounter++;
+
+                if (animFrameCounter >= anims[animId].frameCount) animFrameCounter = 0;
+
+                UpdateModelAnimation(model, anims[animId], animFrameCounter);
+                animPlaying = true;
+            }
+
+            // Select animation by pressing C
+            if (IsKeyPressed(KEY_C))
+            {
+                animFrameCounter = 0;
+                animId++;
+
+                if (animId >= (int)animsCount) animId = 0;
+                UpdateModelAnimation(model, anims[animId], 0);
+                animPlaying = true;
+            }
+        }
+
+        // Toggle skeleton drawing
+        if (IsKeyPressed(KEY_B)) drawSkeleton ^= 1;
+
+        // Toggle mesh drawing
+        if (IsKeyPressed(KEY_M)) drawMesh ^= 1;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // Draw 3d model with texture
+                if (drawMesh) DrawModel(model, position, 1.0f, WHITE);
+
+                // Draw the animated skeleton
+                if (drawSkeleton)
+                {
+                    // Loop to (boneCount - 1) because the last one is a special "no bone" bone,
+                    // needed to workaround buggy models
+                    // without a -1, we would always draw a cube at the origin
+                    for (int i = 0; i < model.boneCount - 1; i++)
+                    {
+                        // By default the model is loaded in bind-pose by LoadModel().
+                        // But if UpdateModelAnimation() has been called at least once
+                        // then the model is already in animation pose, so we need the animated skeleton
+                        if (!animPlaying || !animsCount)
+                        {
+                            // Display the bind-pose skeleton
+                            DrawCube(model.bindPose[i].translation, 0.04f, 0.04f, 0.04f, RED);
+
+                            if (model.bones[i].parent >= 0)
+                            {
+                                DrawLine3D(model.bindPose[i].translation,
+                                    model.bindPose[model.bones[i].parent].translation, RED);
+                            }
+                        }
+                        else
+                        {
+                            // Display the frame-pose skeleton
+                            DrawCube(anims[animId].framePoses[animFrameCounter][i].translation, 0.05f, 0.05f, 0.05f, RED);
+
+                            if (anims[animId].bones[i].parent >= 0)
+                            {
+                                DrawLine3D(anims[animId].framePoses[animFrameCounter][i].translation,
+                                    anims[animId].framePoses[animFrameCounter][anims[animId].bones[i].parent].translation, RED);
+                            }
+                        }
+                    }
+                }
+
+                DrawGrid(10, 1.0f);         // Draw a grid
+
+            EndMode3D();
+
+            DrawText("PRESS SPACE to PLAY MODEL ANIMATION", 10, GetScreenHeight() - 80, 10, MAROON);
+            DrawText("PRESS N to STEP ONE ANIMATION FRAME", 10, GetScreenHeight() - 60, 10, DARKGRAY);
+            DrawText("PRESS C to CYCLE THROUGH ANIMATIONS", 10, GetScreenHeight() - 40, 10, DARKGRAY);
+            DrawText("PRESS M to toggle MESH, B to toggle SKELETON DRAWING", 10, GetScreenHeight() - 20, 10, DARKGRAY);
+            DrawText("(c) CesiumMan model by KhronosGroup", GetScreenWidth() - 210, GetScreenHeight() - 20, 10, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+
+    // Unload model animations data
+    UnloadModelAnimations(anims, animsCount);
+
+    UnloadModel(model);         // Unload model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_loading_vox.c

@@ -0,0 +1,205 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Load models vox (MagicaVoxel)
+*
+*   Example originally created with raylib 4.0, last time updated with raylib 4.0
+*
+*   Example contributed by Johann Nadalutti (@procfxgen) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2021-2024 Johann Nadalutti (@procfxgen) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "raymath.h"        // Required for: MatrixTranslate()
+
+#define MAX_VOX_FILES  4
+
+#define RLIGHTS_IMPLEMENTATION
+#include "rlights.h"
+
+#if defined(PLATFORM_DESKTOP)
+#define GLSL_VERSION            330
+#else   // PLATFORM_ANDROID, PLATFORM_WEB
+#define GLSL_VERSION            100
+#endif
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+	// Initialization
+	//--------------------------------------------------------------------------------------
+	const int screenWidth = 800;
+	const int screenHeight = 450;
+
+	const char* voxFileNames[] = {
+		"resources/models/vox/chr_knight.vox",
+		"resources/models/vox/chr_sword.vox",
+		"resources/models/vox/monu9.vox",
+		"resources/models/vox/fez.vox"
+	};
+
+	InitWindow(screenWidth, screenHeight, "raylib [models] example - magicavoxel loading");
+
+	// Define the camera to look into our 3d world
+	Camera camera = { 0 };
+	camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
+	camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+	camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+	camera.fovy = 45.0f;                                // Camera field-of-view Y
+	camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+	//--------------------------------------------------------------------------------------
+	// Load MagicaVoxel files
+	Model models[MAX_VOX_FILES] = { 0 };
+
+	for (int i = 0; i < MAX_VOX_FILES; i++)
+	{
+		// Load VOX file and measure time
+		double t0 = GetTime() * 1000.0;
+		models[i] = LoadModel(voxFileNames[i]);
+		double t1 = GetTime() * 1000.0;
+
+		TraceLog(LOG_WARNING, TextFormat("[%s] File loaded in %.3f ms", voxFileNames[i], t1 - t0));
+
+		// Compute model translation matrix to center model on draw position (0, 0 , 0)
+		BoundingBox bb = GetModelBoundingBox(models[i]);
+		Vector3 center = { 0 };
+		center.x = bb.min.x + (((bb.max.x - bb.min.x) / 2));
+		center.z = bb.min.z + (((bb.max.z - bb.min.z) / 2));
+
+		Matrix matTranslate = MatrixTranslate(-center.x, 0, -center.z);
+		models[i].transform = matTranslate;
+	}
+
+	int currentModel = 0;
+
+	//--------------------------------------------------------------------------------------
+	// Load voxel shader
+	Shader shader = LoadShader(TextFormat("resources/shaders/glsl%i/voxel_lighting.vs", GLSL_VERSION),
+		TextFormat("resources/shaders/glsl%i/voxel_lighting.fs", GLSL_VERSION));
+
+	// Get some required shader locations
+	shader.locs[SHADER_LOC_VECTOR_VIEW] = GetShaderLocation(shader, "viewPos");
+	// NOTE: "matModel" location name is automatically assigned on shader loading, 
+	// no need to get the location again if using that uniform name
+	//shader.locs[SHADER_LOC_MATRIX_MODEL] = GetShaderLocation(shader, "matModel");
+
+	// Ambient light level (some basic lighting)
+	int ambientLoc = GetShaderLocation(shader, "ambient");
+	SetShaderValue(shader, ambientLoc, (float[4]) { 0.1f, 0.1f, 0.1f, 1.0f }, SHADER_UNIFORM_VEC4);
+
+	// Assign out lighting shader to model
+	for (int i = 0; i < MAX_VOX_FILES; i++)
+	{
+		Model m = models[i];
+		for (int j = 0; j < m.materialCount; j++)
+		{
+			m.materials[j].shader = shader;
+		}
+	}
+
+	// Create lights
+	Light lights[MAX_LIGHTS] = { 0 };
+	lights[0] = CreateLight(LIGHT_POINT, (Vector3) { -20, 20, -20 }, Vector3Zero(), GRAY, shader);
+	lights[1] = CreateLight(LIGHT_POINT, (Vector3) { 20, -20, 20 }, Vector3Zero(), GRAY, shader);
+	lights[2] = CreateLight(LIGHT_POINT, (Vector3) { -20, 20, 20 }, Vector3Zero(), GRAY, shader);
+	lights[3] = CreateLight(LIGHT_POINT, (Vector3) { 20, -20, -20 }, Vector3Zero(), GRAY, shader);
+
+
+	SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+
+	//--------------------------------------------------------------------------------------
+	Vector3 modelpos = { 0 };
+	Vector3 camerarot = { 0 };
+
+	// Main game loop
+	while (!WindowShouldClose())    // Detect window close button or ESC key
+	{
+		// Update
+		//----------------------------------------------------------------------------------
+		if (IsMouseButtonDown(MOUSE_BUTTON_MIDDLE))
+		{
+			const Vector2 mouseDelta = GetMouseDelta();
+			camerarot.x = mouseDelta.x * 0.05f;
+			camerarot.y = mouseDelta.y * 0.05f;
+		}
+		else
+		{
+			camerarot.x = 0;
+			camerarot.y = 0;
+		}
+
+		UpdateCameraPro(&camera,
+			(Vector3) {
+			(IsKeyDown(KEY_W) || IsKeyDown(KEY_UP)) * 0.1f -      // Move forward-backward
+				(IsKeyDown(KEY_S) || IsKeyDown(KEY_DOWN)) * 0.1f,
+				(IsKeyDown(KEY_D) || IsKeyDown(KEY_RIGHT)) * 0.1f -   // Move right-left
+				(IsKeyDown(KEY_A) || IsKeyDown(KEY_LEFT)) * 0.1f,
+				0.0f                                                // Move up-down
+		},
+			camerarot,
+			GetMouseWheelMove() * -2.0f);                              // Move to target (zoom)
+
+		// Cycle between models on mouse click
+		if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) currentModel = (currentModel + 1) % MAX_VOX_FILES;
+
+		// Update the shader with the camera view vector (points towards { 0.0f, 0.0f, 0.0f })
+		float cameraPos[3] = { camera.position.x, camera.position.y, camera.position.z };
+		SetShaderValue(shader, shader.locs[SHADER_LOC_VECTOR_VIEW], cameraPos, SHADER_UNIFORM_VEC3);
+
+		// Update light values (actually, only enable/disable them)
+		for (int i = 0; i < MAX_LIGHTS; i++) UpdateLightValues(shader, lights[i]);
+
+		//----------------------------------------------------------------------------------
+		// Draw
+		//----------------------------------------------------------------------------------
+		BeginDrawing();
+
+		ClearBackground(RAYWHITE);
+
+		// Draw 3D model
+		BeginMode3D(camera);
+
+		DrawModel(models[currentModel], modelpos, 1.0f, WHITE);
+		DrawGrid(10, 1.0);
+
+		// Draw spheres to show where the lights are
+		for (int i = 0; i < MAX_LIGHTS; i++)
+		{
+			if (lights[i].enabled) DrawSphereEx(lights[i].position, 0.2f, 8, 8, lights[i].color);
+			else DrawSphereWires(lights[i].position, 0.2f, 8, 8, ColorAlpha(lights[i].color, 0.3f));
+		}
+
+		EndMode3D();
+
+		// Display info
+		DrawRectangle(10, 400, 340, 60, Fade(SKYBLUE, 0.5f));
+		DrawRectangleLines(10, 400, 340, 60, Fade(DARKBLUE, 0.5f));
+		DrawText("MOUSE LEFT BUTTON to CYCLE VOX MODELS", 40, 410, 10, BLUE);
+		DrawText("MOUSE MIDDLE BUTTON to ZOOM OR ROTATE CAMERA", 40, 420, 10, BLUE);
+		DrawText("UP-DOWN-LEFT-RIGHT KEYS to MOVE CAMERA", 40, 430, 10, BLUE);
+		DrawText(TextFormat("File: %s", GetFileName(voxFileNames[currentModel])), 10, 10, 20, GRAY);
+
+		EndDrawing();
+		//----------------------------------------------------------------------------------
+	}
+
+	// De-Initialization
+	//--------------------------------------------------------------------------------------
+	// Unload models data (GPU VRAM)
+	for (int i = 0; i < MAX_VOX_FILES; i++) UnloadModel(models[i]);
+
+	CloseWindow();          // Close window and OpenGL context
+	//--------------------------------------------------------------------------------------
+
+	return 0;
+}
+
+

raylib/examples/models/models_mesh_generation.c

@@ -0,0 +1,190 @@
+/*******************************************************************************************
+*
+*   raylib example - procedural mesh generation
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 4.0
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2017-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define NUM_MODELS  9               // Parametric 3d shapes to generate
+
+static Mesh GenMeshCustom(void);    // Generate a simple triangle mesh from code
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - mesh generation");
+
+    // We generate a checked image for texturing
+    Image checked = GenImageChecked(2, 2, 1, 1, RED, GREEN);
+    Texture2D texture = LoadTextureFromImage(checked);
+    UnloadImage(checked);
+
+    Model models[NUM_MODELS] = { 0 };
+
+    models[0] = LoadModelFromMesh(GenMeshPlane(2, 2, 4, 3));
+    models[1] = LoadModelFromMesh(GenMeshCube(2.0f, 1.0f, 2.0f));
+    models[2] = LoadModelFromMesh(GenMeshSphere(2, 32, 32));
+    models[3] = LoadModelFromMesh(GenMeshHemiSphere(2, 16, 16));
+    models[4] = LoadModelFromMesh(GenMeshCylinder(1, 2, 16));
+    models[5] = LoadModelFromMesh(GenMeshTorus(0.25f, 4.0f, 16, 32));
+    models[6] = LoadModelFromMesh(GenMeshKnot(1.0f, 2.0f, 16, 128));
+    models[7] = LoadModelFromMesh(GenMeshPoly(5, 2.0f));
+    models[8] = LoadModelFromMesh(GenMeshCustom());
+    
+    // Generated meshes could be exported as .obj files
+    //ExportMesh(models[0].meshes[0], "plane.obj");
+    //ExportMesh(models[1].meshes[0], "cube.obj");
+    //ExportMesh(models[2].meshes[0], "sphere.obj");
+    //ExportMesh(models[3].meshes[0], "hemisphere.obj");
+    //ExportMesh(models[4].meshes[0], "cylinder.obj");
+    //ExportMesh(models[5].meshes[0], "torus.obj");
+    //ExportMesh(models[6].meshes[0], "knot.obj");
+    //ExportMesh(models[7].meshes[0], "poly.obj");
+    //ExportMesh(models[8].meshes[0], "custom.obj");
+
+    // Set checked texture as default diffuse component for all models material
+    for (int i = 0; i < NUM_MODELS; i++) models[i].materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;
+
+    // Define the camera to look into our 3d world
+    Camera camera = { { 5.0f, 5.0f, 5.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f, 0 };
+
+    // Model drawing position
+    Vector3 position = { 0.0f, 0.0f, 0.0f };
+
+    int currentModel = 0;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+
+        if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
+        {
+            currentModel = (currentModel + 1)%NUM_MODELS; // Cycle between the textures
+        }
+
+        if (IsKeyPressed(KEY_RIGHT))
+        {
+            currentModel++;
+            if (currentModel >= NUM_MODELS) currentModel = 0;
+        }
+        else if (IsKeyPressed(KEY_LEFT))
+        {
+            currentModel--;
+            if (currentModel < 0) currentModel = NUM_MODELS - 1;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+               DrawModel(models[currentModel], position, 1.0f, WHITE);
+               DrawGrid(10, 1.0);
+
+            EndMode3D();
+
+            DrawRectangle(30, 400, 310, 30, Fade(SKYBLUE, 0.5f));
+            DrawRectangleLines(30, 400, 310, 30, Fade(DARKBLUE, 0.5f));
+            DrawText("MOUSE LEFT BUTTON to CYCLE PROCEDURAL MODELS", 40, 410, 10, BLUE);
+
+            switch(currentModel)
+            {
+                case 0: DrawText("PLANE", 680, 10, 20, DARKBLUE); break;
+                case 1: DrawText("CUBE", 680, 10, 20, DARKBLUE); break;
+                case 2: DrawText("SPHERE", 680, 10, 20, DARKBLUE); break;
+                case 3: DrawText("HEMISPHERE", 640, 10, 20, DARKBLUE); break;
+                case 4: DrawText("CYLINDER", 680, 10, 20, DARKBLUE); break;
+                case 5: DrawText("TORUS", 680, 10, 20, DARKBLUE); break;
+                case 6: DrawText("KNOT", 680, 10, 20, DARKBLUE); break;
+                case 7: DrawText("POLY", 680, 10, 20, DARKBLUE); break;
+                case 8: DrawText("Custom (triangle)", 580, 10, 20, DARKBLUE); break;
+                default: break;
+            }
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture); // Unload texture
+
+    // Unload models data (GPU VRAM)
+    for (int i = 0; i < NUM_MODELS; i++) UnloadModel(models[i]);
+
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+// Generate a simple triangle mesh from code
+static Mesh GenMeshCustom(void)
+{
+    Mesh mesh = { 0 };
+    mesh.triangleCount = 1;
+    mesh.vertexCount = mesh.triangleCount*3;
+    mesh.vertices = (float *)MemAlloc(mesh.vertexCount*3*sizeof(float));    // 3 vertices, 3 coordinates each (x, y, z)
+    mesh.texcoords = (float *)MemAlloc(mesh.vertexCount*2*sizeof(float));   // 3 vertices, 2 coordinates each (x, y)
+    mesh.normals = (float *)MemAlloc(mesh.vertexCount*3*sizeof(float));     // 3 vertices, 3 coordinates each (x, y, z)
+
+    // Vertex at (0, 0, 0)
+    mesh.vertices[0] = 0;
+    mesh.vertices[1] = 0;
+    mesh.vertices[2] = 0;
+    mesh.normals[0] = 0;
+    mesh.normals[1] = 1;
+    mesh.normals[2] = 0;
+    mesh.texcoords[0] = 0;
+    mesh.texcoords[1] = 0;
+
+    // Vertex at (1, 0, 2)
+    mesh.vertices[3] = 1;
+    mesh.vertices[4] = 0;
+    mesh.vertices[5] = 2;
+    mesh.normals[3] = 0;
+    mesh.normals[4] = 1;
+    mesh.normals[5] = 0;
+    mesh.texcoords[2] = 0.5f;
+    mesh.texcoords[3] = 1.0f;
+
+    // Vertex at (2, 0, 0)
+    mesh.vertices[6] = 2;
+    mesh.vertices[7] = 0;
+    mesh.vertices[8] = 0;
+    mesh.normals[6] = 0;
+    mesh.normals[7] = 1;
+    mesh.normals[8] = 0;
+    mesh.texcoords[4] = 1;
+    mesh.texcoords[5] =0;
+
+    // Upload mesh data from CPU (RAM) to GPU (VRAM) memory
+    UploadMesh(&mesh, false);
+
+    return mesh;
+}

raylib/examples/models/models_mesh_picking.c

@@ -0,0 +1,246 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Mesh picking in 3d mode, ground plane, triangle, mesh
+*
+*   Example originally created with raylib 1.7, last time updated with raylib 4.0
+*
+*   Example contributed by Joel Davis (@joeld42) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2017-2024 Joel Davis (@joeld42) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+#include "raymath.h"
+
+#define FLT_MAX     340282346638528859811704183484516925440.0f     // Maximum value of a float, from bit pattern 01111111011111111111111111111111
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - mesh picking");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 20.0f, 20.0f, 20.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 8.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.6f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Ray ray = { 0 };        // Picking ray
+
+    Model tower = LoadModel("resources/models/obj/turret.obj");                 // Load OBJ model
+    Texture2D texture = LoadTexture("resources/models/obj/turret_diffuse.png"); // Load model texture
+    tower.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;            // Set model diffuse texture
+
+    Vector3 towerPos = { 0.0f, 0.0f, 0.0f };                        // Set model position
+    BoundingBox towerBBox = GetMeshBoundingBox(tower.meshes[0]);    // Get mesh bounding box
+
+    // Ground quad
+    Vector3 g0 = (Vector3){ -50.0f, 0.0f, -50.0f };
+    Vector3 g1 = (Vector3){ -50.0f, 0.0f,  50.0f };
+    Vector3 g2 = (Vector3){  50.0f, 0.0f,  50.0f };
+    Vector3 g3 = (Vector3){  50.0f, 0.0f, -50.0f };
+
+    // Test triangle
+    Vector3 ta = (Vector3){ -25.0f, 0.5f, 0.0f };
+    Vector3 tb = (Vector3){ -4.0f, 2.5f, 1.0f };
+    Vector3 tc = (Vector3){ -8.0f, 6.5f, 0.0f };
+
+    Vector3 bary = { 0.0f, 0.0f, 0.0f };
+
+    // Test sphere
+    Vector3 sp = (Vector3){ -30.0f, 5.0f, 5.0f };
+    float sr = 4.0f;
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsCursorHidden()) UpdateCamera(&camera, CAMERA_FIRST_PERSON);          // Update camera
+
+        // Toggle camera controls
+        if (IsMouseButtonPressed(MOUSE_BUTTON_RIGHT))
+        {
+            if (IsCursorHidden()) EnableCursor();
+            else DisableCursor();
+        }
+
+        // Display information about closest hit
+        RayCollision collision = { 0 };
+        char *hitObjectName = "None";
+        collision.distance = FLT_MAX;
+        collision.hit = false;
+        Color cursorColor = WHITE;
+
+        // Get ray and test against objects
+        ray = GetScreenToWorldRay(GetMousePosition(), camera);
+
+        // Check ray collision against ground quad
+        RayCollision groundHitInfo = GetRayCollisionQuad(ray, g0, g1, g2, g3);
+
+        if ((groundHitInfo.hit) && (groundHitInfo.distance < collision.distance))
+        {
+            collision = groundHitInfo;
+            cursorColor = GREEN;
+            hitObjectName = "Ground";
+        }
+
+        // Check ray collision against test triangle
+        RayCollision triHitInfo = GetRayCollisionTriangle(ray, ta, tb, tc);
+
+        if ((triHitInfo.hit) && (triHitInfo.distance < collision.distance))
+        {
+            collision = triHitInfo;
+            cursorColor = PURPLE;
+            hitObjectName = "Triangle";
+
+            bary = Vector3Barycenter(collision.point, ta, tb, tc);
+        }
+
+        // Check ray collision against test sphere
+        RayCollision sphereHitInfo = GetRayCollisionSphere(ray, sp, sr);
+
+        if ((sphereHitInfo.hit) && (sphereHitInfo.distance < collision.distance))
+        {
+            collision = sphereHitInfo;
+            cursorColor = ORANGE;
+            hitObjectName = "Sphere";
+        }
+
+        // Check ray collision against bounding box first, before trying the full ray-mesh test
+        RayCollision boxHitInfo = GetRayCollisionBox(ray, towerBBox);
+
+        if ((boxHitInfo.hit) && (boxHitInfo.distance < collision.distance))
+        {
+            collision = boxHitInfo;
+            cursorColor = ORANGE;
+            hitObjectName = "Box";
+
+            // Check ray collision against model meshes
+            RayCollision meshHitInfo = { 0 };
+            for (int m = 0; m < tower.meshCount; m++)
+            {
+                // NOTE: We consider the model.transform for the collision check but 
+                // it can be checked against any transform Matrix, used when checking against same
+                // model drawn multiple times with multiple transforms
+                meshHitInfo = GetRayCollisionMesh(ray, tower.meshes[m], tower.transform);
+                if (meshHitInfo.hit)
+                {
+                    // Save the closest hit mesh
+                    if ((!collision.hit) || (collision.distance > meshHitInfo.distance)) collision = meshHitInfo;
+                    
+                    break;  // Stop once one mesh collision is detected, the colliding mesh is m
+                }
+            }
+
+            if (meshHitInfo.hit)
+            {
+                collision = meshHitInfo;
+                cursorColor = ORANGE;
+                hitObjectName = "Mesh";
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // Draw the tower
+                // WARNING: If scale is different than 1.0f,
+                // not considered by GetRayCollisionModel()
+                DrawModel(tower, towerPos, 1.0f, WHITE);
+
+                // Draw the test triangle
+                DrawLine3D(ta, tb, PURPLE);
+                DrawLine3D(tb, tc, PURPLE);
+                DrawLine3D(tc, ta, PURPLE);
+
+                // Draw the test sphere
+                DrawSphereWires(sp, sr, 8, 8, PURPLE);
+
+                // Draw the mesh bbox if we hit it
+                if (boxHitInfo.hit) DrawBoundingBox(towerBBox, LIME);
+
+                // If we hit something, draw the cursor at the hit point
+                if (collision.hit)
+                {
+                    DrawCube(collision.point, 0.3f, 0.3f, 0.3f, cursorColor);
+                    DrawCubeWires(collision.point, 0.3f, 0.3f, 0.3f, RED);
+
+                    Vector3 normalEnd;
+                    normalEnd.x = collision.point.x + collision.normal.x;
+                    normalEnd.y = collision.point.y + collision.normal.y;
+                    normalEnd.z = collision.point.z + collision.normal.z;
+
+                    DrawLine3D(collision.point, normalEnd, RED);
+                }
+
+                DrawRay(ray, MAROON);
+
+                DrawGrid(10, 10.0f);
+
+            EndMode3D();
+
+            // Draw some debug GUI text
+            DrawText(TextFormat("Hit Object: %s", hitObjectName), 10, 50, 10, BLACK);
+
+            if (collision.hit)
+            {
+                int ypos = 70;
+
+                DrawText(TextFormat("Distance: %3.2f", collision.distance), 10, ypos, 10, BLACK);
+
+                DrawText(TextFormat("Hit Pos: %3.2f %3.2f %3.2f",
+                                    collision.point.x,
+                                    collision.point.y,
+                                    collision.point.z), 10, ypos + 15, 10, BLACK);
+
+                DrawText(TextFormat("Hit Norm: %3.2f %3.2f %3.2f",
+                                    collision.normal.x,
+                                    collision.normal.y,
+                                    collision.normal.z), 10, ypos + 30, 10, BLACK);
+
+                if (triHitInfo.hit && TextIsEqual(hitObjectName, "Triangle"))
+                    DrawText(TextFormat("Barycenter: %3.2f %3.2f %3.2f",  bary.x, bary.y, bary.z), 10, ypos + 45, 10, BLACK);
+            }
+
+            DrawText("Right click mouse to toggle camera controls", 10, 430, 10, GRAY);
+
+            DrawText("(c) Turret 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadModel(tower);         // Unload model
+    UnloadTexture(texture);     // Unload texture
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_orthographic_projection.c

@@ -0,0 +1,102 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Show the difference between perspective and orthographic projection
+*
+*   Example originally created with raylib 2.0, last time updated with raylib 3.7
+*
+*   Example contributed by Max Danielsson (@autious) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2018-2024 Max Danielsson (@autious) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define FOVY_PERSPECTIVE    45.0f
+#define WIDTH_ORTHOGRAPHIC  10.0f
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - geometric shapes");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { { 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, FOVY_PERSPECTIVE, CAMERA_PERSPECTIVE };
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsKeyPressed(KEY_SPACE))
+        {
+            if (camera.projection == CAMERA_PERSPECTIVE)
+            {
+                camera.fovy = WIDTH_ORTHOGRAPHIC;
+                camera.projection = CAMERA_ORTHOGRAPHIC;
+            }
+            else
+            {
+                camera.fovy = FOVY_PERSPECTIVE;
+                camera.projection = CAMERA_PERSPECTIVE;
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawCube((Vector3){-4.0f, 0.0f, 2.0f}, 2.0f, 5.0f, 2.0f, RED);
+                DrawCubeWires((Vector3){-4.0f, 0.0f, 2.0f}, 2.0f, 5.0f, 2.0f, GOLD);
+                DrawCubeWires((Vector3){-4.0f, 0.0f, -2.0f}, 3.0f, 6.0f, 2.0f, MAROON);
+
+                DrawSphere((Vector3){-1.0f, 0.0f, -2.0f}, 1.0f, GREEN);
+                DrawSphereWires((Vector3){1.0f, 0.0f, 2.0f}, 2.0f, 16, 16, LIME);
+
+                DrawCylinder((Vector3){4.0f, 0.0f, -2.0f}, 1.0f, 2.0f, 3.0f, 4, SKYBLUE);
+                DrawCylinderWires((Vector3){4.0f, 0.0f, -2.0f}, 1.0f, 2.0f, 3.0f, 4, DARKBLUE);
+                DrawCylinderWires((Vector3){4.5f, -1.0f, 2.0f}, 1.0f, 1.0f, 2.0f, 6, BROWN);
+
+                DrawCylinder((Vector3){1.0f, 0.0f, -4.0f}, 0.0f, 1.5f, 3.0f, 8, GOLD);
+                DrawCylinderWires((Vector3){1.0f, 0.0f, -4.0f}, 0.0f, 1.5f, 3.0f, 8, PINK);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+            EndMode3D();
+
+            DrawText("Press Spacebar to switch camera type", 10, GetScreenHeight() - 30, 20, DARKGRAY);
+
+            if (camera.projection == CAMERA_ORTHOGRAPHIC) DrawText("ORTHOGRAPHIC", 10, 40, 20, BLACK);
+            else if (camera.projection == CAMERA_PERSPECTIVE) DrawText("PERSPECTIVE", 10, 40, 20, BLACK);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_point_rendering.c

@@ -0,0 +1,182 @@
+/*******************************************************************************************
+*
+*   raylib example - point rendering
+*
+*   Example originally created with raylib 5.0, last time updated with raylib 5.0
+*
+*   Example contributed by Reese Gallagher (@satchelfrost) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2024 Reese Gallagher (@satchelfrost)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <stdlib.h>             // Required for: rand()
+#include <math.h>               // Required for: cos(), sin()
+
+#define MAX_POINTS 10000000     // 10 million
+#define MIN_POINTS 1000         // 1 thousand
+
+// Generate mesh using points
+Mesh GenMeshPoints(int numPoints);
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+    
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - point rendering");
+
+    Camera camera = {
+        .position   = { 3.0f, 3.0f, 3.0f },
+        .target     = { 0.0f, 0.0f, 0.0f },
+        .up         = { 0.0f, 1.0f, 0.0f },
+        .fovy       = 45.0f,
+        .projection = CAMERA_PERSPECTIVE
+    };
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f };
+    bool useDrawModelPoints = true;
+    bool numPointsChanged = false;
+    int numPoints = 1000;
+    
+    Mesh mesh = GenMeshPoints(numPoints);
+    Model model = LoadModelFromMesh(mesh);
+    
+    //SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while(!WindowShouldClose())
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+
+        if (IsKeyPressed(KEY_SPACE)) useDrawModelPoints = !useDrawModelPoints;
+        if (IsKeyPressed(KEY_UP))
+        {
+            numPoints = (numPoints*10 > MAX_POINTS)? MAX_POINTS : numPoints*10;
+            numPointsChanged = true;
+        }
+        if (IsKeyPressed(KEY_DOWN))
+        {
+            numPoints = (numPoints/10 < MIN_POINTS)? MIN_POINTS : numPoints/10;
+            numPointsChanged = true;
+        }
+
+        // Upload a different point cloud size
+        if (numPointsChanged)
+        {
+            UnloadModel(model);
+            mesh = GenMeshPoints(numPoints);
+            model = LoadModelFromMesh(mesh);
+            numPointsChanged = false;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+            ClearBackground(BLACK);
+
+            BeginMode3D(camera);
+
+                // The new method only uploads the points once to the GPU
+                if (useDrawModelPoints)
+                {
+                    DrawModelPoints(model, position, 1.0f, WHITE);
+                }
+                else
+                {
+                    // The old method must continually draw the "points" (lines)
+                    for (int i = 0; i < numPoints; i++)
+                    {
+                        Vector3 pos = {
+                            .x = mesh.vertices[i*3 + 0],
+                            .y = mesh.vertices[i*3 + 1],
+                            .z = mesh.vertices[i*3 + 2],
+                        };
+                        Color color = {
+                            .r = mesh.colors[i*4 + 0],
+                            .g = mesh.colors[i*4 + 1],
+                            .b = mesh.colors[i*4 + 2],
+                            .a = mesh.colors[i*4 + 3],
+                        };
+                        
+                        DrawPoint3D(pos, color);
+                    }
+                }
+
+                // Draw a unit sphere for reference
+                DrawSphereWires(position, 1.0f, 10, 10, YELLOW);
+                
+            EndMode3D();
+
+            // Draw UI text
+            DrawText(TextFormat("Point Count: %d", numPoints), 20, screenHeight - 50, 40, WHITE);
+            DrawText("Up - increase points", 20, 70, 20, WHITE);
+            DrawText("Down - decrease points", 20, 100, 20, WHITE);
+            DrawText("Space - drawing function", 20, 130, 20, WHITE);
+            
+            if (useDrawModelPoints) DrawText("Using: DrawModelPoints()", 20, 160, 20, GREEN);
+            else DrawText("Using: DrawPoint3D()", 20, 160, 20, RED);
+            
+            DrawFPS(10, 10);
+            
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadModel(model);
+
+    CloseWindow();
+    //--------------------------------------------------------------------------------------
+    return 0;
+}
+
+// Generate a spherical point cloud
+Mesh GenMeshPoints(int numPoints)
+{
+    Mesh mesh = { 
+        .triangleCount = 1,
+        .vertexCount = numPoints,
+        .vertices = (float *)MemAlloc(numPoints*3*sizeof(float)),
+        .colors = (unsigned char*)MemAlloc(numPoints*4*sizeof(unsigned char)),
+    };
+
+    // https://en.wikipedia.org/wiki/Spherical_coordinate_system
+    for (int i = 0; i < numPoints; i++)
+    {
+        float theta = PI*rand()/RAND_MAX;
+        float phi = 2.0f*PI*rand()/RAND_MAX;
+        float r = 10.0f*rand()/RAND_MAX;
+        
+        mesh.vertices[i*3 + 0] = r*sin(theta)*cos(phi);
+        mesh.vertices[i*3 + 1] = r*sin(theta)*sin(phi);
+        mesh.vertices[i*3 + 2] = r*cos(theta);
+        
+        Color color = ColorFromHSV(r*360.0f, 1.0f, 1.0f);
+        
+        mesh.colors[i*4 + 0] = color.r;
+        mesh.colors[i*4 + 1] = color.g;
+        mesh.colors[i*4 + 2] = color.b;
+        mesh.colors[i*4 + 3] = color.a;
+    }
+
+    // Upload mesh data from CPU (RAM) to GPU (VRAM) memory
+    UploadMesh(&mesh, false);
+    
+    return mesh;
+}

raylib/examples/models/models_rlgl_solar_system.c

@@ -0,0 +1,172 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - rlgl module usage with push/pop matrix transformations
+*
+*   NOTE: This example uses [rlgl] module functionality (pseudo-OpenGL 1.1 style coding)
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 4.0
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2018-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+#include "rlgl.h"
+
+#include <math.h>           // Required for: cosf(), sinf()
+
+//------------------------------------------------------------------------------------
+// Module Functions Declaration
+//------------------------------------------------------------------------------------
+void DrawSphereBasic(Color color);      // Draw sphere without any matrix transformation
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    const float sunRadius = 4.0f;
+    const float earthRadius = 0.6f;
+    const float earthOrbitRadius = 8.0f;
+    const float moonRadius = 0.16f;
+    const float moonOrbitRadius = 1.5f;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - rlgl module usage with push/pop matrix transformations");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 16.0f, 16.0f, 16.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    float rotationSpeed = 0.2f;         // General system rotation speed
+
+    float earthRotation = 0.0f;         // Rotation of earth around itself (days) in degrees
+    float earthOrbitRotation = 0.0f;    // Rotation of earth around the Sun (years) in degrees
+    float moonRotation = 0.0f;          // Rotation of moon around itself
+    float moonOrbitRotation = 0.0f;     // Rotation of moon around earth in degrees
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+
+        earthRotation += (5.0f*rotationSpeed);
+        earthOrbitRotation += (365/360.0f*(5.0f*rotationSpeed)*rotationSpeed);
+        moonRotation += (2.0f*rotationSpeed);
+        moonOrbitRotation += (8.0f*rotationSpeed);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                rlPushMatrix();
+                    rlScalef(sunRadius, sunRadius, sunRadius);          // Scale Sun
+                    DrawSphereBasic(GOLD);                              // Draw the Sun
+                rlPopMatrix();
+
+                rlPushMatrix();
+                    rlRotatef(earthOrbitRotation, 0.0f, 1.0f, 0.0f);    // Rotation for Earth orbit around Sun
+                    rlTranslatef(earthOrbitRadius, 0.0f, 0.0f);         // Translation for Earth orbit
+
+                    rlPushMatrix();
+                        rlRotatef(earthRotation, 0.25, 1.0, 0.0);       // Rotation for Earth itself
+                        rlScalef(earthRadius, earthRadius, earthRadius);// Scale Earth
+
+                        DrawSphereBasic(BLUE);                          // Draw the Earth
+                    rlPopMatrix();
+
+                    rlRotatef(moonOrbitRotation, 0.0f, 1.0f, 0.0f);     // Rotation for Moon orbit around Earth
+                    rlTranslatef(moonOrbitRadius, 0.0f, 0.0f);          // Translation for Moon orbit
+                    rlRotatef(moonRotation, 0.0f, 1.0f, 0.0f);          // Rotation for Moon itself
+                    rlScalef(moonRadius, moonRadius, moonRadius);       // Scale Moon
+
+                    DrawSphereBasic(LIGHTGRAY);                         // Draw the Moon
+                rlPopMatrix();
+
+                // Some reference elements (not affected by previous matrix transformations)
+                DrawCircle3D((Vector3){ 0.0f, 0.0f, 0.0f }, earthOrbitRadius, (Vector3){ 1, 0, 0 }, 90.0f, Fade(RED, 0.5f));
+                DrawGrid(20, 1.0f);
+
+            EndMode3D();
+
+            DrawText("EARTH ORBITING AROUND THE SUN!", 400, 10, 20, MAROON);
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+//--------------------------------------------------------------------------------------------
+// Module Functions Definitions (local)
+//--------------------------------------------------------------------------------------------
+
+// Draw sphere without any matrix transformation
+// NOTE: Sphere is drawn in world position ( 0, 0, 0 ) with radius 1.0f
+void DrawSphereBasic(Color color)
+{
+    int rings = 16;
+    int slices = 16;
+
+    // Make sure there is enough space in the internal render batch
+    // buffer to store all required vertex, batch is reseted if required
+    rlCheckRenderBatchLimit((rings + 2)*slices*6);
+
+    rlBegin(RL_TRIANGLES);
+        rlColor4ub(color.r, color.g, color.b, color.a);
+
+        for (int i = 0; i < (rings + 2); i++)
+        {
+            for (int j = 0; j < slices; j++)
+            {
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*i))*sinf(DEG2RAD*(j*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*i)),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*i))*cosf(DEG2RAD*(j*360/slices)));
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*sinf(DEG2RAD*((j+1)*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*(i+1))),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*cosf(DEG2RAD*((j+1)*360/slices)));
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*sinf(DEG2RAD*(j*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*(i+1))),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*cosf(DEG2RAD*(j*360/slices)));
+
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*i))*sinf(DEG2RAD*(j*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*i)),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*i))*cosf(DEG2RAD*(j*360/slices)));
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i)))*sinf(DEG2RAD*((j+1)*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*(i))),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*(i)))*cosf(DEG2RAD*((j+1)*360/slices)));
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*sinf(DEG2RAD*((j+1)*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*(i+1))),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*cosf(DEG2RAD*((j+1)*360/slices)));
+            }
+        }
+    rlEnd();
+}

raylib/examples/models/models_skybox.c

@@ -0,0 +1,271 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Skybox loading and drawing
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 4.0
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2017-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "rlgl.h"
+#include "raymath.h"      // Required for: MatrixPerspective(), MatrixLookAt()
+
+#if defined(PLATFORM_DESKTOP)
+    #define GLSL_VERSION            330
+#else   // PLATFORM_ANDROID, PLATFORM_WEB
+    #define GLSL_VERSION            100
+#endif
+
+// Generate cubemap (6 faces) from equirectangular (panorama) texture
+static TextureCubemap GenTextureCubemap(Shader shader, Texture2D panorama, int size, int format);
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - skybox loading and drawing");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 1.0f, 1.0f, 1.0f };    // Camera position
+    camera.target = (Vector3){ 4.0f, 1.0f, 4.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    // Load skybox model
+    Mesh cube = GenMeshCube(1.0f, 1.0f, 1.0f);
+    Model skybox = LoadModelFromMesh(cube);
+
+    // Set this to true to use an HDR Texture, Note that raylib must be built with HDR Support for this to work SUPPORT_FILEFORMAT_HDR
+    bool useHDR = false;
+
+    // Load skybox shader and set required locations
+    // NOTE: Some locations are automatically set at shader loading
+    skybox.materials[0].shader = LoadShader(TextFormat("resources/shaders/glsl%i/skybox.vs", GLSL_VERSION),
+                                            TextFormat("resources/shaders/glsl%i/skybox.fs", GLSL_VERSION));
+
+    SetShaderValue(skybox.materials[0].shader, GetShaderLocation(skybox.materials[0].shader, "environmentMap"), (int[1]){ MATERIAL_MAP_CUBEMAP }, SHADER_UNIFORM_INT);
+    SetShaderValue(skybox.materials[0].shader, GetShaderLocation(skybox.materials[0].shader, "doGamma"), (int[1]) { useHDR ? 1 : 0 }, SHADER_UNIFORM_INT);
+    SetShaderValue(skybox.materials[0].shader, GetShaderLocation(skybox.materials[0].shader, "vflipped"), (int[1]){ useHDR ? 1 : 0 }, SHADER_UNIFORM_INT);
+
+    // Load cubemap shader and setup required shader locations
+    Shader shdrCubemap = LoadShader(TextFormat("resources/shaders/glsl%i/cubemap.vs", GLSL_VERSION),
+                                    TextFormat("resources/shaders/glsl%i/cubemap.fs", GLSL_VERSION));
+
+    SetShaderValue(shdrCubemap, GetShaderLocation(shdrCubemap, "equirectangularMap"), (int[1]){ 0 }, SHADER_UNIFORM_INT);
+
+    char skyboxFileName[256] = { 0 };
+    
+    if (useHDR)
+    {
+        TextCopy(skyboxFileName, "resources/dresden_square_2k.hdr");
+
+        // Load HDR panorama (sphere) texture
+        Texture2D panorama = LoadTexture(skyboxFileName);
+
+        // Generate cubemap (texture with 6 quads-cube-mapping) from panorama HDR texture
+        // NOTE 1: New texture is generated rendering to texture, shader calculates the sphere->cube coordinates mapping
+        // NOTE 2: It seems on some Android devices WebGL, fbo does not properly support a FLOAT-based attachment,
+        // despite texture can be successfully created.. so using PIXELFORMAT_UNCOMPRESSED_R8G8B8A8 instead of PIXELFORMAT_UNCOMPRESSED_R32G32B32A32
+        skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = GenTextureCubemap(shdrCubemap, panorama, 1024, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8);
+
+        UnloadTexture(panorama);        // Texture not required anymore, cubemap already generated
+    }
+    else
+    {
+        Image img = LoadImage("resources/skybox.png");
+        skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = LoadTextureCubemap(img, CUBEMAP_LAYOUT_AUTO_DETECT);    // CUBEMAP_LAYOUT_PANORAMA
+        UnloadImage(img);
+    }
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        // Load new cubemap texture on drag&drop
+        if (IsFileDropped())
+        {
+            FilePathList droppedFiles = LoadDroppedFiles();
+
+            if (droppedFiles.count == 1)         // Only support one file dropped
+            {
+                if (IsFileExtension(droppedFiles.paths[0], ".png;.jpg;.hdr;.bmp;.tga"))
+                {
+                    // Unload current cubemap texture to load new one
+                    UnloadTexture(skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture);
+                    
+                    if (useHDR)
+                    {
+                        // Load HDR panorama (sphere) texture
+                        Texture2D panorama = LoadTexture(droppedFiles.paths[0]);
+
+                        // Generate cubemap from panorama texture
+                        skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = GenTextureCubemap(shdrCubemap, panorama, 1024, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8);
+                        
+                        UnloadTexture(panorama);    // Texture not required anymore, cubemap already generated
+                    }
+                    else
+                    {
+                        Image img = LoadImage(droppedFiles.paths[0]);
+                        skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = LoadTextureCubemap(img, CUBEMAP_LAYOUT_AUTO_DETECT);
+                        UnloadImage(img);
+                    }
+
+                    TextCopy(skyboxFileName, droppedFiles.paths[0]);
+                }
+            }
+
+            UnloadDroppedFiles(droppedFiles);    // Unload filepaths from memory
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // We are inside the cube, we need to disable backface culling!
+                rlDisableBackfaceCulling();
+                rlDisableDepthMask();
+                    DrawModel(skybox, (Vector3){0, 0, 0}, 1.0f, WHITE);
+                rlEnableBackfaceCulling();
+                rlEnableDepthMask();
+
+                DrawGrid(10, 1.0f);
+
+            EndMode3D();
+
+            if (useHDR) DrawText(TextFormat("Panorama image from hdrihaven.com: %s", GetFileName(skyboxFileName)), 10, GetScreenHeight() - 20, 10, BLACK);
+            else DrawText(TextFormat(": %s", GetFileName(skyboxFileName)), 10, GetScreenHeight() - 20, 10, BLACK);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadShader(skybox.materials[0].shader);
+    UnloadTexture(skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture);
+
+    UnloadModel(skybox);        // Unload skybox model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+// Generate cubemap texture from HDR texture
+static TextureCubemap GenTextureCubemap(Shader shader, Texture2D panorama, int size, int format)
+{
+    TextureCubemap cubemap = { 0 };
+
+    rlDisableBackfaceCulling();     // Disable backface culling to render inside the cube
+
+    // STEP 1: Setup framebuffer
+    //------------------------------------------------------------------------------------------
+    unsigned int rbo = rlLoadTextureDepth(size, size, true);
+    cubemap.id = rlLoadTextureCubemap(0, size, format, 1);
+
+    unsigned int fbo = rlLoadFramebuffer();
+    rlFramebufferAttach(fbo, rbo, RL_ATTACHMENT_DEPTH, RL_ATTACHMENT_RENDERBUFFER, 0);
+    rlFramebufferAttach(fbo, cubemap.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X, 0);
+
+    // Check if framebuffer is complete with attachments (valid)
+    if (rlFramebufferComplete(fbo)) TraceLog(LOG_INFO, "FBO: [ID %i] Framebuffer object created successfully", fbo);
+    //------------------------------------------------------------------------------------------
+
+    // STEP 2: Draw to framebuffer
+    //------------------------------------------------------------------------------------------
+    // NOTE: Shader is used to convert HDR equirectangular environment map to cubemap equivalent (6 faces)
+    rlEnableShader(shader.id);
+
+    // Define projection matrix and send it to shader
+    Matrix matFboProjection = MatrixPerspective(90.0*DEG2RAD, 1.0, rlGetCullDistanceNear(), rlGetCullDistanceFar());
+    rlSetUniformMatrix(shader.locs[SHADER_LOC_MATRIX_PROJECTION], matFboProjection);
+
+    // Define view matrix for every side of the cubemap
+    Matrix fboViews[6] = {
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  1.0f,  0.0f,  0.0f }, (Vector3){ 0.0f, -1.0f,  0.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ -1.0f,  0.0f,  0.0f }, (Vector3){ 0.0f, -1.0f,  0.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  0.0f,  1.0f,  0.0f }, (Vector3){ 0.0f,  0.0f,  1.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  0.0f, -1.0f,  0.0f }, (Vector3){ 0.0f,  0.0f, -1.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  0.0f,  0.0f,  1.0f }, (Vector3){ 0.0f, -1.0f,  0.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  0.0f,  0.0f, -1.0f }, (Vector3){ 0.0f, -1.0f,  0.0f })
+    };
+
+    rlViewport(0, 0, size, size);   // Set viewport to current fbo dimensions
+    
+    // Activate and enable texture for drawing to cubemap faces
+    rlActiveTextureSlot(0);
+    rlEnableTexture(panorama.id);
+
+    for (int i = 0; i < 6; i++)
+    {
+        // Set the view matrix for the current cube face
+        rlSetUniformMatrix(shader.locs[SHADER_LOC_MATRIX_VIEW], fboViews[i]);
+        
+        // Select the current cubemap face attachment for the fbo
+        // WARNING: This function by default enables->attach->disables fbo!!!
+        rlFramebufferAttach(fbo, cubemap.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X + i, 0);
+        rlEnableFramebuffer(fbo);
+
+        // Load and draw a cube, it uses the current enabled texture
+        rlClearScreenBuffers();
+        rlLoadDrawCube();
+
+        // ALTERNATIVE: Try to use internal batch system to draw the cube instead of rlLoadDrawCube
+        // for some reason this method does not work, maybe due to cube triangles definition? normals pointing out?
+        // TODO: Investigate this issue...
+        //rlSetTexture(panorama.id); // WARNING: It must be called after enabling current framebuffer if using internal batch system!
+        //rlClearScreenBuffers();
+        //DrawCubeV(Vector3Zero(), Vector3One(), WHITE);
+        //rlDrawRenderBatchActive();
+    }
+    //------------------------------------------------------------------------------------------
+
+    // STEP 3: Unload framebuffer and reset state
+    //------------------------------------------------------------------------------------------
+    rlDisableShader();          // Unbind shader
+    rlDisableTexture();         // Unbind texture
+    rlDisableFramebuffer();     // Unbind framebuffer
+    rlUnloadFramebuffer(fbo);   // Unload framebuffer (and automatically attached depth texture/renderbuffer)
+
+    // Reset viewport dimensions to default
+    rlViewport(0, 0, rlGetFramebufferWidth(), rlGetFramebufferHeight());
+    rlEnableBackfaceCulling();
+    //------------------------------------------------------------------------------------------
+
+    cubemap.width = size;
+    cubemap.height = size;
+    cubemap.mipmaps = 1;
+    cubemap.format = format;
+
+    return cubemap;
+}

raylib/examples/models/models_waving_cubes.c

@@ -0,0 +1,119 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Waving cubes
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 3.7
+*
+*   Example contributed by Codecat (@codecat) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2024 Codecat (@codecat) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <math.h>       // Required for: sinf()
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - waving cubes");
+
+    // Initialize the camera
+    Camera3D camera = { 0 };
+    camera.position = (Vector3){ 30.0f, 20.0f, 30.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 70.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    // Specify the amount of blocks in each direction
+    const int numBlocks = 15;
+
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        double time = GetTime();
+
+        // Calculate time scale for cube position and size
+        float scale = (2.0f + (float)sin(time))*0.7f;
+
+        // Move camera around the scene
+        double cameraTime = time*0.3;
+        camera.position.x = (float)cos(cameraTime)*40.0f;
+        camera.position.z = (float)sin(cameraTime)*40.0f;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawGrid(10, 5.0f);
+
+                for (int x = 0; x < numBlocks; x++)
+                {
+                    for (int y = 0; y < numBlocks; y++)
+                    {
+                        for (int z = 0; z < numBlocks; z++)
+                        {
+                            // Scale of the blocks depends on x/y/z positions
+                            float blockScale = (x + y + z)/30.0f;
+
+                            // Scatter makes the waving effect by adding blockScale over time
+                            float scatter = sinf(blockScale*20.0f + (float)(time*4.0f));
+
+                            // Calculate the cube position
+                            Vector3 cubePos = {
+                                (float)(x - numBlocks/2)*(scale*3.0f) + scatter,
+                                (float)(y - numBlocks/2)*(scale*2.0f) + scatter,
+                                (float)(z - numBlocks/2)*(scale*3.0f) + scatter
+                            };
+
+                            // Pick a color with a hue depending on cube position for the rainbow color effect
+                            // NOTE: This function is quite costly to be done per cube and frame, 
+                            // pre-catching the results into a separate array could improve performance
+                            Color cubeColor = ColorFromHSV((float)(((x + y + z)*18)%360), 0.75f, 0.9f);
+
+                            // Calculate cube size
+                            float cubeSize = (2.4f - scale)*blockScale;
+
+                            // And finally, draw the cube!
+                            DrawCube(cubePos, cubeSize, cubeSize, cubeSize, cubeColor);
+                        }
+                    }
+                }
+
+            EndMode3D();
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/models_yaw_pitch_roll.c

@@ -0,0 +1,123 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Plane rotations (yaw, pitch, roll)
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 4.0
+*
+*   Example contributed by Berni (@Berni8k) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2017-2024 Berni (@Berni8k) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "raymath.h"        // Required for: MatrixRotateXYZ()
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    //SetConfigFlags(FLAG_MSAA_4X_HINT | FLAG_WINDOW_HIGHDPI);
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - plane rotations (yaw, pitch, roll)");
+
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.0f, 50.0f, -120.0f };// Camera position perspective
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 30.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera type
+
+    Model model = LoadModel("resources/models/obj/plane.obj");                  // Load model
+    Texture2D texture = LoadTexture("resources/models/obj/plane_diffuse.png");  // Load model texture
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;            // Set map diffuse texture
+
+    float pitch = 0.0f;
+    float roll = 0.0f;
+    float yaw = 0.0f;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Plane pitch (x-axis) controls
+        if (IsKeyDown(KEY_DOWN)) pitch += 0.6f;
+        else if (IsKeyDown(KEY_UP)) pitch -= 0.6f;
+        else
+        {
+            if (pitch > 0.3f) pitch -= 0.3f;
+            else if (pitch < -0.3f) pitch += 0.3f;
+        }
+
+        // Plane yaw (y-axis) controls
+        if (IsKeyDown(KEY_S)) yaw -= 1.0f;
+        else if (IsKeyDown(KEY_A)) yaw += 1.0f;
+        else
+        {
+            if (yaw > 0.0f) yaw -= 0.5f;
+            else if (yaw < 0.0f) yaw += 0.5f;
+        }
+
+        // Plane roll (z-axis) controls
+        if (IsKeyDown(KEY_LEFT)) roll -= 1.0f;
+        else if (IsKeyDown(KEY_RIGHT)) roll += 1.0f;
+        else
+        {
+            if (roll > 0.0f) roll -= 0.5f;
+            else if (roll < 0.0f) roll += 0.5f;
+        }
+
+        // Tranformation matrix for rotations
+        model.transform = MatrixRotateXYZ((Vector3){ DEG2RAD*pitch, DEG2RAD*yaw, DEG2RAD*roll });
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            // Draw 3D model (recomended to draw 3D always before 2D)
+            BeginMode3D(camera);
+
+                DrawModel(model, (Vector3){ 0.0f, -8.0f, 0.0f }, 1.0f, WHITE);   // Draw 3d model with texture
+                DrawGrid(10, 10.0f);
+
+            EndMode3D();
+
+            // Draw controls info
+            DrawRectangle(30, 370, 260, 70, Fade(GREEN, 0.5f));
+            DrawRectangleLines(30, 370, 260, 70, Fade(DARKGREEN, 0.5f));
+            DrawText("Pitch controlled with: KEY_UP / KEY_DOWN", 40, 380, 10, DARKGRAY);
+            DrawText("Roll controlled with: KEY_LEFT / KEY_RIGHT", 40, 400, 10, DARKGRAY);
+            DrawText("Yaw controlled with: KEY_A / KEY_S", 40, 420, 10, DARKGRAY);
+
+            DrawText("(c) WWI Plane Model created by GiaHanLam", screenWidth - 240, screenHeight - 20, 10, DARKGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadModel(model);     // Unload model data
+    UnloadTexture(texture); // Unload texture data
+
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

raylib/examples/models/resources/LICENSE.md

@@ -0,0 +1,22 @@
+| resource             | author      | licence | notes |
+| :------------------- | :---------: | :------ | :---- |
+| models/obj/castle.obj,<br>models/obj/castle_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/bridge.obj,<br>models/obj/bridge_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/house.obj,<br>models/obj/house_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode)  | - |
+| models/obj/market.obj,<br>models/obj/market_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode)  | - |
+| models/obj/turret.obj,<br>models/obj/turret_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/well.obj,<br>models/obj/well_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/cube.obj,<br>models/obj/cube_diffuse.png | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| models/obj/plane.obj,<br>models/obj/plane_diffuse.png | [GiaHanLam](https://sketchfab.com/GiaHanLam)  | [CC-BY](https://creativecommons.org/licenses/by/4.0/)  | Used by: [`models_yaw_pitch_roll.c`](https://github.com/raysan5/raylib/blob/master/examples/models/models_yaw_pitch_roll.c)
+| models/iqm/guy.iqm,<br>models/iqm/guyanim.iqm,<br>models/iqm/guytex.png,<br>models/iqm/guy.blend | [@culacant](https://github.com/culacant)  | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| models/gltf/robot.glb,<br>models/gltf/robot.blend | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| models/vox/chr_knight.vox |  ❔         | ❔     | - |
+| models/vox/chr_sword.vox  |  ❔         | ❔     | - |
+| models/vox/monu9.vox   |  ❔            | ❔     | - |
+| billboard.png          | [@emegeme](https://github.com/emegeme)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| cubicmap.png           | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| cubicmap_atlas.png     | [@emegeme](https://github.com/emegeme)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| heightmap.png          | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| dresden_square_1k.hdr  | [HDRIHaven](https://hdrihaven.com/hdri/?h=dresden_square) | [CC0](https://hdrihaven.com/p/license.php) | - |
+| dresden_square_2k.hdr  | [HDRIHaven](https://hdrihaven.com/hdri/?h=dresden_square) | [CC0](https://hdrihaven.com/p/license.php) | - |
+| skybox.png             |  ❔            | ❔     | - |

raylib/examples/models/resources/models/gltf/LICENSE

@@ -0,0 +1,5 @@
+robot.glb model by @Quaternius (https://www.patreon.com/quaternius)
+Licensed under CC0 1.0 Universal (CC0 1.0) - Public Domain Dedication (https://creativecommons.org/publicdomain/zero/1.0/)
+
+greenman.glb, greenman_hat.glb, greenman_sword.glb, greenman_shield.glb models by @iP (https://github.com/ipzaur)
+Licensed under CC0 1.0 Universal (CC0 1.0) - Public Domain Dedication (https://creativecommons.org/publicdomain/zero/1.0/)

raylib/examples/models/resources/models/obj/cube.obj

@@ -0,0 +1,68 @@
+# reference material
+#mtllib cube.mtl
+
+# object box
+
+# vertex  (XZY)
+v  5.5  0  1.5
+v  8.5  0  1.5
+v  5.5  0  -1.5
+v  8.5  0  -1.5
+v  5.5  3  1.5
+v  8.5  3  1.5
+v  5.5  3  -1.5
+v  8.5  3  -1.5
+
+# normals  (XYZ)
+vn  0  -1  0
+vn  0  1  0
+vn  0  0  1
+vn  1  0  0
+vn  0  0  -1
+vn  -1  0  0
+
+# UVs (XY)
+vt 0.5  0    0 
+vt 1    0    0
+vt 1    0.5  0
+vt 0.5  0.5  0
+vt 0.5  0.5  0
+vt 1    0.5  0
+vt 0.5  1    0
+vt 1    1    0
+vt 0    0.5  0
+vt 1    0.5  0
+vt 1    0    0
+vt 0    0    0
+vt 0    0.5  0
+vt 1    0.5  0
+vt 1    1    0
+vt 0    1    0
+vt 0.5  0    0
+vt 0    0    0
+vt 0    0.5  0
+vt 0.5  0.5  0
+vt 0    0.5  0
+vt 0.5  0.5  0
+vt 0.5  1    0
+vt 0    1    0
+
+# merger 
+g box
+
+# reference material
+#usemtl mat01
+
+# faces
+f 1/9/1 3/10/1 4/11/1 
+f 4/11/1 2/12/1 1/9/1 
+f 5/13/2 6/14/2 8/15/2 
+f 8/15/2 7/16/2 5/13/2 
+f 1/17/6 2/18/6 6/19/6 
+f 6/19/6 5/20/6 1/17/6 
+f 2/6/1 4/5/1 8/7/1 
+f 8/7/1 6/8/1 2/6/1
+f 4/2/3 3/1/3 7/4/3 
+f 7/4/3 8/3/3 4/2/3 
+f 3/22/5 1/21/5 5/24/5 
+f 5/24/5 7/23/5 3/22/5 

raylib/examples/models/resources/models/vox/LICENSE

@@ -0,0 +1,9 @@
+The following models are provided by the official github repo of voxel-model format by MagikaVoxel developer @ephtracy
+
+GitHub official repo: https://github.com/ephtracy/voxel-model
+
+ - chr_knight.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/character/chr_knight.vox
+ - chr_sword.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/character/chr_sword.vox
+ - monu9.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/monument/monu9.vox
+ 
+Worth mentioning there is no license specified for the models yet: https://github.com/ephtracy/voxel-model/issues/22

raylib/examples/models/resources/shaders/glsl100/cubemap.fs

@@ -0,0 +1,29 @@
+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+
+// Input uniform values
+uniform sampler2D equirectangularMap;
+
+vec2 SampleSphericalMap(vec3 v)
+{
+    vec2 uv = vec2(atan(v.z, v.x), asin(v.y));
+    uv *= vec2(0.1591, 0.3183);
+    uv += 0.5;
+    return uv;
+}
+
+void main()
+{
+    // Normalize local position
+    vec2 uv = SampleSphericalMap(normalize(fragPosition));
+
+    // Fetch color from texture map
+    vec3 color = texture2D(equirectangularMap, uv).rgb;
+
+    // Calculate final fragment color
+    gl_FragColor = vec4(color, 1.0);
+}

raylib/examples/models/resources/shaders/glsl100/cubemap.vs

@@ -0,0 +1,20 @@
+#version 100
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Calculate final vertex position
+    gl_Position = matProjection*matView*vec4(vertexPosition, 1.0);
+}

raylib/examples/models/resources/shaders/glsl100/skinning.fs

@@ -0,0 +1,20 @@
+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+void main()
+{
+    // Fetch color from texture sampler
+    vec4 texelColor = texture2D(texture0, fragTexCoord);
+    
+    // Calculate final fragment color
+    gl_FragColor = texelColor*colDiffuse*fragColor;
+}

raylib/examples/models/resources/shaders/glsl100/skinning.vs

@@ -0,0 +1,59 @@
+#version 100
+
+#define MAX_BONE_NUM 64
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+attribute vec2 vertexTexCoord;
+attribute vec4 vertexColor;
+attribute vec4 vertexBoneIds;
+attribute vec4 vertexBoneWeights;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 boneMatrices[MAX_BONE_NUM];
+
+// Output vertex attributes (to fragment shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+void main()
+{
+    int boneIndex0 = int(vertexBoneIds.x);
+    int boneIndex1 = int(vertexBoneIds.y);
+    int boneIndex2 = int(vertexBoneIds.z);
+    int boneIndex3 = int(vertexBoneIds.w);
+    
+    // WARNING: OpenGL ES 2.0 does not support automatic matrix transposing, neither transpose() function
+    mat4 boneMatrixTransposed0 = mat4(
+        vec4(boneMatrices[boneIndex0][0].x, boneMatrices[boneIndex0][1].x, boneMatrices[boneIndex0][2].x, boneMatrices[boneIndex0][3].x),
+        vec4(boneMatrices[boneIndex0][0].y, boneMatrices[boneIndex0][1].y, boneMatrices[boneIndex0][2].y, boneMatrices[boneIndex0][3].y),
+        vec4(boneMatrices[boneIndex0][0].z, boneMatrices[boneIndex0][1].z, boneMatrices[boneIndex0][2].z, boneMatrices[boneIndex0][3].z),
+        vec4(boneMatrices[boneIndex0][0].w, boneMatrices[boneIndex0][1].w, boneMatrices[boneIndex0][2].w, boneMatrices[boneIndex0][3].w));
+    mat4 boneMatrixTransposed1 = mat4(
+        vec4(boneMatrices[boneIndex1][0].x, boneMatrices[boneIndex1][1].x, boneMatrices[boneIndex1][2].x, boneMatrices[boneIndex1][3].x),
+        vec4(boneMatrices[boneIndex1][0].y, boneMatrices[boneIndex1][1].y, boneMatrices[boneIndex1][2].y, boneMatrices[boneIndex1][3].y),
+        vec4(boneMatrices[boneIndex1][0].z, boneMatrices[boneIndex1][1].z, boneMatrices[boneIndex1][2].z, boneMatrices[boneIndex1][3].z),
+        vec4(boneMatrices[boneIndex1][0].w, boneMatrices[boneIndex1][1].w, boneMatrices[boneIndex1][2].w, boneMatrices[boneIndex1][3].w));
+    mat4 boneMatrixTransposed2 = mat4(
+        vec4(boneMatrices[boneIndex2][0].x, boneMatrices[boneIndex2][1].x, boneMatrices[boneIndex2][2].x, boneMatrices[boneIndex2][3].x),
+        vec4(boneMatrices[boneIndex2][0].y, boneMatrices[boneIndex2][1].y, boneMatrices[boneIndex2][2].y, boneMatrices[boneIndex2][3].y),
+        vec4(boneMatrices[boneIndex2][0].z, boneMatrices[boneIndex2][1].z, boneMatrices[boneIndex2][2].z, boneMatrices[boneIndex2][3].z),
+        vec4(boneMatrices[boneIndex2][0].w, boneMatrices[boneIndex2][1].w, boneMatrices[boneIndex2][2].w, boneMatrices[boneIndex2][3].w));
+    mat4 boneMatrixTransposed3 = mat4(
+        vec4(boneMatrices[boneIndex3][0].x, boneMatrices[boneIndex3][1].x, boneMatrices[boneIndex3][2].x, boneMatrices[boneIndex3][3].x),
+        vec4(boneMatrices[boneIndex3][0].y, boneMatrices[boneIndex3][1].y, boneMatrices[boneIndex3][2].y, boneMatrices[boneIndex3][3].y),
+        vec4(boneMatrices[boneIndex3][0].z, boneMatrices[boneIndex3][1].z, boneMatrices[boneIndex3][2].z, boneMatrices[boneIndex3][3].z),
+        vec4(boneMatrices[boneIndex3][0].w, boneMatrices[boneIndex3][1].w, boneMatrices[boneIndex3][2].w, boneMatrices[boneIndex3][3].w));
+    
+    vec4 skinnedPosition =
+        vertexBoneWeights.x*(boneMatrixTransposed0*vec4(vertexPosition, 1.0)) +
+        vertexBoneWeights.y*(boneMatrixTransposed1*vec4(vertexPosition, 1.0)) + 
+        vertexBoneWeights.z*(boneMatrixTransposed2*vec4(vertexPosition, 1.0)) + 
+        vertexBoneWeights.w*(boneMatrixTransposed3*vec4(vertexPosition, 1.0));
+    
+    fragTexCoord = vertexTexCoord;
+    fragColor = vertexColor;
+
+    gl_Position = mvp*skinnedPosition;
+}

raylib/examples/models/resources/shaders/glsl100/skybox.fs

@@ -0,0 +1,31 @@
+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+
+// Input uniform values
+uniform samplerCube environmentMap;
+uniform bool vflipped;
+uniform bool doGamma;
+
+void main()
+{
+    // Fetch color from texture map
+    vec4 texelColor = vec4(0.0);
+
+    if (vflipped) texelColor = textureCube(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z));
+    else texelColor = textureCube(environmentMap, fragPosition);
+
+    vec3 color = vec3(texelColor.x, texelColor.y, texelColor.z);
+
+    if (doGamma) // Apply gamma correction
+    {
+        color = color/(color + vec3(1.0));
+        color = pow(color, vec3(1.0/2.2));
+    }
+
+    // Calculate final fragment color
+    gl_FragColor = vec4(color, 1.0);
+}

raylib/examples/models/resources/shaders/glsl100/skybox.vs

@@ -0,0 +1,24 @@
+#version 100
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Remove translation from the view matrix
+    mat4 rotView = mat4(mat3(matView));
+    vec4 clipPos = matProjection*rotView*vec4(vertexPosition, 1.0);
+
+    // Calculate final vertex position
+    gl_Position = clipPos;
+}

raylib/examples/models/resources/shaders/glsl330/cubemap.fs

@@ -0,0 +1,30 @@
+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec3 fragPosition;
+
+// Input uniform values
+uniform sampler2D equirectangularMap;
+
+// Output fragment color
+out vec4 finalColor;
+
+vec2 SampleSphericalMap(vec3 v)
+{
+    vec2 uv = vec2(atan(v.z, v.x), asin(v.y));
+    uv *= vec2(0.1591, 0.3183);
+    uv += 0.5;
+    return uv;
+}
+
+void main()
+{
+    // Normalize local position
+    vec2 uv = SampleSphericalMap(normalize(fragPosition));
+
+    // Fetch color from texture map
+    vec3 color = texture(equirectangularMap, uv).rgb;
+
+    // Calculate final fragment color
+    finalColor = vec4(color, 1.0);
+}

raylib/examples/models/resources/shaders/glsl330/cubemap.vs

@@ -0,0 +1,20 @@
+#version 330
+
+// Input vertex attributes
+in vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Calculate final vertex position
+    gl_Position = matProjection*matView*vec4(vertexPosition, 1.0);
+}

raylib/examples/models/resources/shaders/glsl330/skinning.fs

@@ -0,0 +1,17 @@
+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec2 fragTexCoord;
+in vec4 fragColor;
+
+// Output fragment color
+out vec4 finalColor;
+
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+void main()
+{
+    vec4 texelColor = texture(texture0, fragTexCoord);
+    finalColor = texelColor*colDiffuse*fragColor;
+}

raylib/examples/models/resources/shaders/glsl330/skinning.vs

@@ -0,0 +1,37 @@
+#version 330
+
+#define MAX_BONE_NUM 128
+
+// Input vertex attributes
+in vec3 vertexPosition;
+in vec2 vertexTexCoord;
+in vec4 vertexColor;
+in vec4 vertexBoneIds;
+in vec4 vertexBoneWeights;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 boneMatrices[MAX_BONE_NUM];
+
+// Output vertex attributes (to fragment shader)
+out vec2 fragTexCoord;
+out vec4 fragColor;
+
+void main()
+{
+    int boneIndex0 = int(vertexBoneIds.x);
+    int boneIndex1 = int(vertexBoneIds.y);
+    int boneIndex2 = int(vertexBoneIds.z);
+    int boneIndex3 = int(vertexBoneIds.w);
+    
+    vec4 skinnedPosition =
+        vertexBoneWeights.x*(boneMatrices[boneIndex0]*vec4(vertexPosition, 1.0)) +
+        vertexBoneWeights.y*(boneMatrices[boneIndex1]*vec4(vertexPosition, 1.0)) + 
+        vertexBoneWeights.z*(boneMatrices[boneIndex2]*vec4(vertexPosition, 1.0)) + 
+        vertexBoneWeights.w*(boneMatrices[boneIndex3]*vec4(vertexPosition, 1.0));
+    
+    fragTexCoord = vertexTexCoord;
+    fragColor = vertexColor;
+
+    gl_Position = mvp*skinnedPosition;
+}

raylib/examples/models/resources/shaders/glsl330/skybox.fs

@@ -0,0 +1,30 @@
+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec3 fragPosition;
+
+// Input uniform values
+uniform samplerCube environmentMap;
+uniform bool vflipped;
+uniform bool doGamma;
+
+// Output fragment color
+out vec4 finalColor;
+
+void main()
+{
+    // Fetch color from texture map
+    vec3 color = vec3(0.0);
+
+    if (vflipped) color = texture(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z)).rgb;
+    else color = texture(environmentMap, fragPosition).rgb;
+
+    if (doGamma)// Apply gamma correction
+    {
+        color = color/(color + vec3(1.0));
+        color = pow(color, vec3(1.0/2.2));
+    }
+
+    // Calculate final fragment color
+    finalColor = vec4(color, 1.0);
+}

raylib/examples/models/resources/shaders/glsl330/skybox.vs

@@ -0,0 +1,24 @@
+#version 330
+
+// Input vertex attributes
+in vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Remove translation from the view matrix
+    mat4 rotView = mat4(mat3(matView));
+    vec4 clipPos = matProjection*rotView*vec4(vertexPosition, 1.0);
+
+    // Calculate final vertex position
+    gl_Position = clipPos;
+}

raylib/examples/models/resources/shaders/glsl330/voxel_lighting.fs

@@ -0,0 +1,76 @@
+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec3 fragPosition;
+//in vec2 fragTexCoord;
+in vec4 fragColor;
+in vec3 fragNormal;
+
+// Input uniform values
+//uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+// Output fragment color
+out vec4 finalColor;
+
+// NOTE: Add here your custom variables
+
+#define     MAX_LIGHTS              4
+#define     LIGHT_DIRECTIONAL       0
+#define     LIGHT_POINT             1
+
+struct Light {
+    int enabled;
+    int type;
+    vec3 position;
+    vec3 target;
+    vec4 color;
+};
+
+// Input lighting values
+uniform Light lights[MAX_LIGHTS];
+uniform vec4 ambient;
+uniform vec3 viewPos;
+
+void main()
+{
+    // Texel color fetching from texture sampler
+    //vec4 texelColor = texture(texture0, fragTexCoord);
+    vec3 lightDot = vec3(0.0);
+    vec3 normal = normalize(fragNormal);
+    vec3 viewD = normalize(viewPos - fragPosition);
+    vec3 specular = vec3(0.0);
+
+    // NOTE: Implement here your fragment shader code
+
+    for (int i = 0; i < MAX_LIGHTS; i++)
+    {
+        if (lights[i].enabled == 1)
+        {
+            vec3 light = vec3(0.0);
+
+            if (lights[i].type == LIGHT_DIRECTIONAL)
+            {
+                light = -normalize(lights[i].target - lights[i].position);
+            }
+
+            if (lights[i].type == LIGHT_POINT)
+            {
+                light = normalize(lights[i].position - fragPosition);
+            }
+
+            float NdotL = max(dot(normal, light), 0.0);
+            lightDot += lights[i].color.rgb*NdotL;
+
+            float specCo = 0.0;
+            if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewD, reflect(-(light), normal))), 16.0); // 16 refers to shine
+            specular += specCo;
+        }
+    }
+
+    finalColor = (fragColor*((colDiffuse + vec4(specular, 1.0))*vec4(lightDot, 1.0)));
+    finalColor += fragColor*(ambient/10.0)*colDiffuse;
+
+    // Gamma correction
+    finalColor = pow(finalColor, vec4(1.0/2.2));
+}

raylib/examples/models/resources/shaders/glsl330/voxel_lighting.vs

@@ -0,0 +1,32 @@
+#version 330
+
+// Input vertex attributes
+in vec3 vertexPosition;
+//in vec2 vertexTexCoord;
+in vec3 vertexNormal;
+in vec4 vertexColor;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 matModel;
+uniform mat4 matNormal;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+//out vec2 fragTexCoord;
+out vec4 fragColor;
+out vec3 fragNormal;
+
+// NOTE: Add here your custom variables
+
+void main()
+{
+    // Send vertex attributes to fragment shader
+    fragPosition = vec3(matModel*vec4(vertexPosition, 1.0));
+    //fragTexCoord = vertexTexCoord;
+    fragColor = vertexColor;
+    fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0)));
+
+    // Calculate final vertex position
+    gl_Position = mvp*vec4(vertexPosition, 1.0);
+}