Update/merge examples back into main repo (#192)

Examples/Textures/SrcRecDstRec.cs

@@ -0,0 +1,87 @@
+/*******************************************************************************************
+*
+*   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)
+*
+********************************************************************************************/
+
+using System.Numerics;
+using static Raylib_cs.Raylib;
+
+namespace Examples.Textures;
+
+public class SrcRecDstRec
+{
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        string title = "raylib [textures] examples - texture source and destination rectangles";
+        InitWindow(screenWidth, screenHeight, title);
+
+        // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
+        Texture2D scarfy = LoadTexture("resources/scarfy.png");
+
+        int frameWidth = scarfy.Width / 6;
+        int frameHeight = scarfy.Height;
+
+        // NOTE: Source rectangle (part of the texture to use for drawing)
+        Rectangle sourceRec = new(0, 0, frameWidth, frameHeight);
+
+        // NOTE: Destination rectangle (screen rectangle where drawing part of texture)
+        Rectangle destRec = new(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 = new(frameWidth, frameHeight);
+
+        int rotation = 0;
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            rotation++;
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.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(scarfy, sourceRec, destRec, origin, rotation, Color.WHITE);
+
+            DrawLine((int)destRec.X, 0, (int)destRec.X, screenHeight, Color.GRAY);
+            DrawLine(0, (int)destRec.Y, screenWidth, (int)destRec.Y, Color.GRAY);
+
+            DrawText("(c) Scarfy sprite by Eiden Marsal", screenWidth - 200, screenHeight - 20, 10, Color.GRAY);
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        UnloadTexture(scarfy);
+
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}