convert submodules to normal folders for now

raylib/examples/shapes/shapes_easings_ball_anim.c

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+/*******************************************************************************************
+*
+*   raylib [shapes] example - easings ball anim
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 2.5
+*
+*   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"
+
+#include "reasings.h"                // Required for easing functions
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [shapes] example - easings ball anim");
+
+    // Ball variable value to be animated with easings
+    int ballPositionX = -100;
+    int ballRadius = 20;
+    float ballAlpha = 0.0f;
+
+    int state = 0;
+    int framesCounter = 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
+        //----------------------------------------------------------------------------------
+        if (state == 0)             // Move ball position X with easing
+        {
+            framesCounter++;
+            ballPositionX = (int)EaseElasticOut((float)framesCounter, -100, screenWidth/2.0f + 100, 120);
+
+            if (framesCounter >= 120)
+            {
+                framesCounter = 0;
+                state = 1;
+            }
+        }
+        else if (state == 1)        // Increase ball radius with easing
+        {
+            framesCounter++;
+            ballRadius = (int)EaseElasticIn((float)framesCounter, 20, 500, 200);
+
+            if (framesCounter >= 200)
+            {
+                framesCounter = 0;
+                state = 2;
+            }
+        }
+        else if (state == 2)        // Change ball alpha with easing (background color blending)
+        {
+            framesCounter++;
+            ballAlpha = EaseCubicOut((float)framesCounter, 0.0f, 1.0f, 200);
+
+            if (framesCounter >= 200)
+            {
+                framesCounter = 0;
+                state = 3;
+            }
+        }
+        else if (state == 3)        // Reset state to play again
+        {
+            if (IsKeyPressed(KEY_ENTER))
+            {
+                // Reset required variables to play again
+                ballPositionX = -100;
+                ballRadius = 20;
+                ballAlpha = 0.0f;
+                state = 0;
+            }
+        }
+
+        if (IsKeyPressed(KEY_R)) framesCounter = 0;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            if (state >= 2) DrawRectangle(0, 0, screenWidth, screenHeight, GREEN);
+            DrawCircle(ballPositionX, 200, (float)ballRadius, Fade(RED, 1.0f - ballAlpha));
+
+            if (state == 3) DrawText("PRESS [ENTER] TO PLAY AGAIN!", 240, 200, 20, BLACK);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}