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

Examples/Core/ScissorTest.cs

@@ -0,0 +1,84 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Scissor test
+*
+*   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)
+*
+*   Example contributed by Chris Dill (@MysteriousSpace) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Copyright (c) 2019 Chris Dill (@MysteriousSpace)
+*
+********************************************************************************************/
+
+using static Raylib_cs.Raylib;
+
+namespace Examples.Core;
+
+public class ScissorTest
+{
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        InitWindow(screenWidth, screenHeight, "raylib [core] example - scissor test");
+
+        Rectangle scissorArea = new(0, 0, 300, 300);
+        bool scissorMode = true;
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            if (IsKeyPressed(KeyboardKey.KEY_S))
+            {
+                scissorMode = !scissorMode;
+            }
+
+            // Centre the scissor area around the mouse position
+            scissorArea.X = GetMouseX() - scissorArea.Width / 2;
+            scissorArea.Y = GetMouseY() - scissorArea.Height / 2;
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RAYWHITE);
+
+            if (scissorMode)
+            {
+                BeginScissorMode((int)scissorArea.X, (int)scissorArea.Y, (int)scissorArea.Width, (int)scissorArea.Height);
+            }
+
+            // Draw full screen rectangle and some text
+            // NOTE: Only part defined by scissor area will be rendered
+            DrawRectangle(0, 0, GetScreenWidth(), GetScreenHeight(), Color.RED);
+            DrawText("Move the mouse around to reveal this text!", 190, 200, 20, Color.LIGHTGRAY);
+
+            if (scissorMode)
+            {
+                EndScissorMode();
+            }
+
+            DrawRectangleLinesEx(scissorArea, 1, Color.BLACK);
+            DrawText("Press S to toggle scissor test", 10, 10, 20, Color.BLACK);
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}