Merge pull request #223 from raysan5/develop

Integrate develop branch into master

1 files changed, 79 insertions, 0 deletions

diff --git a/docs/examples/src/textures_srcrec_dstrec.c b/docs/examples/src/textures_srcrec_dstrec.c
new file mode 100644
index 00000000..6d824ce6
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+++ b/docs/examples/src/textures_srcrec_dstrec.c
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+/*******************************************************************************************
+*
+*   raylib [textures] example - Texture source and destination rectangles
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [textures] examples - texture source and destination rectangles");
+
+    // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
+    Texture2D guybrush = LoadTexture("resources/guybrush.png");        // Texture loading
+
+    int frameWidth = guybrush.width/7;
+    int frameHeight = guybrush.height;
+    
+    // NOTE: Source rectangle (part of the texture to use for drawing)
+    Rectangle sourceRec = { 0, 0, frameWidth, frameHeight };
+
+    // NOTE: Destination rectangle (screen rectangle where drawing part of texture)
+    Rectangle destRec = { screenWidth/2, screenHeight/2, frameWidth*2, frameHeight*2 };
+
+    // NOTE: Origin of the texture (rotation/scale point), it's relative to destination rectangle size
+    Vector2 origin = { frameWidth, frameHeight };
+    
+    int rotation = 0;
+    
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        rotation++;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            // NOTE: Using DrawTexturePro() we can easily rotate and scale the part of the texture we draw
+            // sourceRec defines the part of the texture we use for drawing
+            // destRec defines the rectangle where our texture part will fit (scaling it to fit)
+            // origin defines the point of the texture used as reference for rotation and scaling
+            // rotation defines the texture rotation (using origin as rotation point)
+            DrawTexturePro(guybrush, sourceRec, destRec, origin, rotation, WHITE);
+
+            DrawLine(destRec.x, 0, destRec.x, screenHeight, GRAY);
+            DrawLine(0, destRec.y, screenWidth, destRec.y, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(guybrush);       // Texture unloading
+
+    CloseWindow();                // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
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