feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style

Examples/Core/Camera3dMode.cs

@@ -1,11 +1,15 @@
 /*******************************************************************************************
 *
-*   raylib [core] example - Initialize 3d camera mode
+*   raylib [core] example - 3d camera mode
 *
-*   This example has been created using raylib 1.0 (www.raylib.com)
-*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*   Example complexity rating: [★☆☆☆] 1/4
 *
-*   Copyright (c) 2014 Ramon Santamaria (@raysan5)
+*   Example originally created with raylib 1.0, last time updated with raylib 1.0
+*
+*   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) 2014-2025 Ramon Santamaria (@raysan5)
 *
 ********************************************************************************************/
 
@@ -14,63 +18,82 @@ using static Raylib_cs.Raylib;
 
 namespace Examples.Core;
 
-public class Camera3dMode
+public partial class Camera3dMode : IExample
 {
+    private const int screenWidth = 800;
+    private const int screenHeight = 450;
+
+    private Camera3D camera;
+    private Vector3 cubePosition;
+
+    public string Name => "Core / Camera 3D Mode";
+
+    public string Title => "raylib [core] example - 3d camera mode";
+
+    public void Init()
+    {
+        // Define the camera to look into our 3d world
+        camera = new();
+        camera.Position = new Vector3(0.0f, 10.0f, 10.0f);  // Camera position
+        camera.Target = new Vector3(0.0f, 0.0f, 0.0f);      // Camera looking at point
+        camera.Up = new Vector3(0.0f, 1.0f, 0.0f);          // Camera up vector (rotation towards target)
+        camera.FovY = 45.0f;                                // Camera field-of-view Y
+        camera.Projection = CameraProjection.Perspective;   // Camera mode type
+
+        cubePosition = new(0.0f, 0.0f, 0.0f);
+    }
+
+    public void Update()
+    {
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+        ClearBackground(Color.RayWhite);
+
+        BeginMode3D(camera);
+
+        DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, Color.Red);
+        DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, Color.Maroon);
+
+        DrawGrid(10, 1.0f);
+
+        EndMode3D();
+
+        DrawText("Welcome to the third dimension!", 10, 40, 20, Color.DarkGray);
+
+        DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    public void Unload()
+    {
+    }
+
     public static int Main()
     {
         // Initialization
         //--------------------------------------------------------------------------------------
-        const int screenWidth = 800;
-        const int screenHeight = 450;
-
         InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera mode");
 
-        // Define the camera to look into our 3d world
-        Camera3D camera = new();
-        camera.Position = new Vector3(0.0f, 10.0f, 10.0f);
-        camera.Target = new Vector3(0.0f, 0.0f, 0.0f);
-        camera.Up = new Vector3(0.0f, 1.0f, 0.0f);
-        camera.FovY = 45.0f;
-        camera.Projection = CameraProjection.Perspective;
-
-        Vector3 cubePosition = new(0.0f, 0.0f, 0.0f);
-
-        SetTargetFPS(60);
+        SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
         //--------------------------------------------------------------------------------------
 
+        var game = new Camera3dMode();
+        game.Init();
+
         // Main game loop
-        while (!WindowShouldClose())
+        while (!WindowShouldClose())    // Detect window close button or ESC key
         {
-            // Update
-            //----------------------------------------------------------------------------------
-            // TODO: Update your variables here
-            //----------------------------------------------------------------------------------
-
-            // Draw
-            //----------------------------------------------------------------------------------
-            BeginDrawing();
-            ClearBackground(Color.RayWhite);
-
-            BeginMode3D(camera);
-
-            DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, Color.Red);
-            DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, Color.Maroon);
-
-            DrawGrid(10, 1.0f);
-
-            EndMode3D();
-
-            DrawText("Welcome to the third dimension!", 10, 40, 20, Color.DarkGray);
-
-            DrawFPS(10, 10);
-
-            EndDrawing();
-            //----------------------------------------------------------------------------------
+            game.Update();
         }
 
+        game.Unload();
+
         // De-Initialization
         //--------------------------------------------------------------------------------------
-        CloseWindow();
+        CloseWindow();        // Close window and OpenGL context
         //--------------------------------------------------------------------------------------
 
         return 0;