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

Examples/Text/WordsAlignment.cs

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+/*******************************************************************************************
+*
+*   raylib [text] example - words alignment
+*
+*   Example complexity rating: [★☆☆☆] 1/4
+*
+*   Example originally created with raylib 6.0, last time updated with raylib 6.0
+*
+*   Example contributed by JP Mortiboys (@themushroompirates) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   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) 2025 JP Mortiboys (@themushroompirates)
+*
+********************************************************************************************/
+
+using System.Numerics;
+using static Raylib_cs.Raylib;
+using static Raylib_cs.Raymath;    // Required for: Lerp()
+
+namespace Examples.Text;
+
+public partial class WordsAlignment : IExample
+{
+    private const int screenWidth = 800;
+    private const int screenHeight = 450;
+
+    // TextAlignment values: Left/Top = 0, Centre/Middle = 1, Right/Bottom = 2
+
+    public string Name => "Text / Words Alignment";
+
+    public string Title => "raylib [text] example - words alignment";
+
+    // Define the rectangle we will draw the text in
+    private Rectangle textContainerRect;
+
+    // Some text to display the current alignment
+    private static readonly string[] textAlignNameH = { "Left", "Centre", "Right" };
+    private static readonly string[] textAlignNameV = { "Top", "Middle", "Bottom" };
+
+    // Define the text we're going to draw in the rectangle
+    private int wordIndex;
+    private int wordCount;
+    private string[] words;
+
+    // Initialize the font size we're going to use
+    private int fontSize;
+
+    // And of course the font...
+    private Font font;
+
+    // Initialize the alignment variables
+    private int hAlign;
+    private int vAlign;
+
+    public void Init()
+    {
+        // Define the rectangle we will draw the text in
+        textContainerRect = new Rectangle((float)screenWidth / 2 - (float)screenWidth / 4, (float)screenHeight / 2 - (float)screenHeight / 3, (float)screenWidth / 2, (float)screenHeight * 2 / 3);
+
+        // Define the text we're going to draw in the rectangle
+        wordIndex = 0;
+        words = "raylib is a simple and easy-to-use library to enjoy videogames programming".Split(' ');
+        wordCount = words.Length;
+
+        // Initialize the font size we're going to use
+        fontSize = 40;
+
+        // And of course the font...
+        font = GetFontDefault();
+
+        // Initialize the alignment variables
+        hAlign = 1; // TEXT_ALIGN_CENTRE
+        vAlign = 1; // TEXT_ALIGN_MIDDLE
+    }
+
+    public void Update()
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsKeyPressed(KeyboardKey.Left))
+        {
+            if (hAlign > 0) hAlign = hAlign - 1;
+        }
+
+        if (IsKeyPressed(KeyboardKey.Right))
+        {
+            hAlign = hAlign + 1;
+            if (hAlign > 2) hAlign = 2;
+        }
+
+        if (IsKeyPressed(KeyboardKey.Up))
+        {
+            if (vAlign > 0) vAlign = vAlign - 1;
+        }
+
+        if (IsKeyPressed(KeyboardKey.Down))
+        {
+            vAlign = vAlign + 1;
+            if (vAlign > 2) vAlign = 2;
+        }
+
+        // One word per second
+        if (wordCount > 0) wordIndex = (int)GetTime() % wordCount;
+        else wordIndex = 0;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+        ClearBackground(Color.DarkBlue);
+
+        DrawText("Use Arrow Keys to change the text alignment", 20, 20, 20, Color.LightGray);
+        DrawText($"Alignment: Horizontal = {textAlignNameH[hAlign]}, Vertical = {textAlignNameV[vAlign]}", 20, 40, 20, Color.LightGray);
+
+        DrawRectangleRec(textContainerRect, Color.Blue);
+
+        // Get the size of the text to draw
+        Vector2 textSize = MeasureTextEx(font, words[wordIndex], fontSize, fontSize * .1f);
+
+        // Calculate the top-left text position based on the rectangle and alignment
+        Vector2 textPos = new Vector2(
+            textContainerRect.X + Lerp(0.0f, textContainerRect.Width - textSize.X, hAlign * 0.5f),
+            textContainerRect.Y + Lerp(0.0f, textContainerRect.Height - textSize.Y, vAlign * 0.5f)
+        );
+
+        // Draw the text
+        DrawTextEx(font, words[wordIndex], textPos, fontSize, fontSize * .1f, Color.RayWhite);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    public void Unload()
+    {
+    }
+
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        InitWindow(screenWidth, screenHeight, "raylib [text] example - words alignment");
+
+        SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+        //--------------------------------------------------------------------------------------
+
+        var game = new WordsAlignment();
+        game.Init();
+
+        // Main game loop
+        while (!WindowShouldClose())    // Detect window close button or ESC key
+        {
+            game.Update();
+        }
+
+        game.Unload();
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        CloseWindow();          // Close window and OpenGL context
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}