1 files changed, 136 insertions, 0 deletions
diff --git a/examples/shapes/shapes_easing_box_anim.c b/examples/shapes/shapes_easing_box_anim.c
new file mode 100644
index 00000000..c74cb2a3
--- /dev/null
+++ b/examples/shapes/shapes_easing_box_anim.c
@@ -0,0 +1,136 @@
+/*******************************************************************************************
+*
+*   raylib [shapes] example - easings box anim
+*
+*   This example has been created using raylib 2.5 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2014-2019 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "easings.h"            // Required for easing functions
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [shapes] example - easings box anim");
+    
+    // Box variables to be animated with easings
+    Rectangle rec = { GetScreenWidth()/2, -100, 100, 100 };
+    float rotation = 0.0f;
+    float alpha = 1.0f;
+    
+    int state = 0;
+    int framesCounter = 0;
+    
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        switch (state)
+        {
+            case 0:     // Move box down to center of screen
+            {
+                framesCounter++;
+                
+                // NOTE: Remember that 3rd parameter of easing function refers to
+                // desired value variation, do not confuse it with expected final value!
+                rec.y = EaseElasticOut(framesCounter, -100, GetScreenHeight()/2 + 100, 120);
+
+                if (framesCounter >= 120) 
+                {
+                    framesCounter = 0;
+                    state = 1;
+                }
+            } break;
+            case 1:     // Scale box to an horizontal bar
+            {
+                framesCounter++;
+                rec.height = EaseBounceOut(framesCounter, 100, -90, 120);
+                rec.width = EaseBounceOut(framesCounter, 100, GetScreenWidth(), 120);
+                
+                if (framesCounter >= 120) 
+                {
+                    framesCounter = 0;
+                    state = 2;
+                }
+            } break;
+            case 2:     // Rotate horizontal bar rectangle
+            {
+                framesCounter++;
+                rotation = EaseQuadOut(framesCounter, 0.0f, 270.0f, 240);
+                
+                if (framesCounter >= 240) 
+                {
+                    framesCounter = 0;
+                    state = 3;
+                }
+            } break;
+            case 3:     // Increase bar size to fill all screen
+            {
+                framesCounter++;
+                rec.height = EaseCircOut(framesCounter, 10, GetScreenWidth(), 120);
+                
+                if (framesCounter >= 120) 
+                {
+                    framesCounter = 0;
+                    state = 4;
+                }
+            } break;
+            case 4:     // Fade out animation
+            {
+                framesCounter++;
+                alpha = EaseSineOut(framesCounter, 1.0f, -1.0f, 160);
+                
+                if (framesCounter >= 160)
+                {
+                    framesCounter = 0;
+                    state = 5;
+                }
+            } break;
+            default: break;
+        }
+        
+        // Reset animation at any moment
+        if (IsKeyPressed(KEY_SPACE))
+        {
+            rec = (Rectangle){ GetScreenWidth()/2, -100, 100, 100 };
+            rotation = 0.0f;
+            alpha = 1.0f;
+            state = 0;
+            framesCounter = 0;
+        }
+        //----------------------------------------------------------------------------------
+        
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawRectanglePro(rec, (Vector2){ rec.width/2, rec.height/2 }, rotation, Fade(BLACK, alpha));
+            
+            DrawText("PRESS [SPACE] TO RESET BOX ANIMATION!", 10, GetScreenHeight() - 25, 20, LIGHTGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------  
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+\ No newline at end of file