feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style
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tiger tiger tiger
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234 changed files with 38997 additions and 10578 deletions
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@ -1,15 +1,19 @@
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/*******************************************************************************************
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*
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* raylib [textures] example - N-patch drawing
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* raylib [textures] example - npatch drawing
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*
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* Example complexity rating: [★★★☆] 3/4
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*
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* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
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*
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* This example has been created using raylib 2.0 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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* Example originally created with raylib 2.0, last time updated with raylib 2.5
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*
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* Example contributed by Jorge A. Gomes (@overdev) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Copyright (c) 2018 Jorge A. Gomes (@overdev) and Ramon Santamaria (@raysan5)
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2018-2025 Jorge A. Gomes (@overdev) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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@ -19,31 +23,46 @@ using static Raylib_cs.Raylib;
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namespace Examples.Textures;
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public class NpatchDrawing
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public partial class NpatchDrawing : IExample
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{
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public static int Main()
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private const int screenWidth = 800;
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private const int screenHeight = 450;
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public string Name => "Textures / N-patch Drawing";
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public string Title => "raylib [textures] example - npatch drawing";
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private Texture2D nPatchTexture;
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private Vector2 mousePosition;
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private Vector2 origin;
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private Rectangle dstRec1;
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private Rectangle dstRec2;
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private Rectangle dstRecH;
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private Rectangle dstRecV;
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private NPatchInfo ninePatchInfo1;
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private NPatchInfo ninePatchInfo2;
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private NPatchInfo h3PatchInfo;
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private NPatchInfo v3PatchInfo;
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public void Init()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [textures] example - N-patch drawing");
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// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
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Texture2D nPatchTexture = LoadTexture("resources/ninepatch_button.png");
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nPatchTexture = LoadTexture("resources/ninepatch_button.png");
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Vector2 mousePosition = new(0.0f, 0.0f);
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Vector2 origin = new(0.0f, 0.0f);
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mousePosition = new(0.0f, 0.0f);
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origin = new(0.0f, 0.0f);
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// Position and size of the n-patches
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Rectangle dstRec1 = new(480.0f, 160.0f, 32.0f, 32.0f);
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Rectangle dstRec2 = new(160.0f, 160.0f, 32.0f, 32.0f);
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Rectangle dstRecH = new(160.0f, 93.0f, 32.0f, 32.0f);
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Rectangle dstRecV = new(92.0f, 160.0f, 32.0f, 32.0f);
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dstRec1 = new(480.0f, 160.0f, 32.0f, 32.0f);
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dstRec2 = new(160.0f, 160.0f, 32.0f, 32.0f);
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dstRecH = new(160.0f, 93.0f, 32.0f, 32.0f);
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dstRecV = new(92.0f, 160.0f, 32.0f, 32.0f);
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// A 9-patch (NPT_9PATCH) changes its sizes in both axis
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NPatchInfo ninePatchInfo1 = new NPatchInfo
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// A 9-patch (NPATCH_NINE_PATCH) changes its sizes in both axis
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ninePatchInfo1 = new NPatchInfo
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{
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Source = new Rectangle(0.0f, 0.0f, 64.0f, 64.0f),
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Left = 12,
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@ -52,7 +71,7 @@ public class NpatchDrawing
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Bottom = 12,
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Layout = NPatchLayout.NinePatch
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};
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NPatchInfo ninePatchInfo2 = new NPatchInfo
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ninePatchInfo2 = new NPatchInfo
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{
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Source = new Rectangle(0.0f, 128.0f, 64.0f, 64.0f),
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Left = 16,
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@ -62,8 +81,8 @@ public class NpatchDrawing
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Layout = NPatchLayout.NinePatch
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};
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// A horizontal 3-patch (NPT_3PATCH_HORIZONTAL) changes its sizes along the x axis only
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NPatchInfo h3PatchInfo = new NPatchInfo
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// A horizontal 3-patch (NPATCH_THREE_PATCH_HORIZONTAL) changes its sizes along the x axis only
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h3PatchInfo = new NPatchInfo
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{
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Source = new Rectangle(0.0f, 64.0f, 64.0f, 64.0f),
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Left = 8,
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@ -73,8 +92,8 @@ public class NpatchDrawing
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Layout = NPatchLayout.ThreePatchHorizontal
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};
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// A vertical 3-patch (NPT_3PATCH_VERTICAL) changes its sizes along the y axis only
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NPatchInfo v3PatchInfo = new NPatchInfo
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// A vertical 3-patch (NPATCH_THREE_PATCH_VERTICAL) changes its sizes along the y axis only
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v3PatchInfo = new NPatchInfo
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{
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Source = new Rectangle(0.0f, 192.0f, 64.0f, 64.0f),
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Left = 6,
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@ -83,61 +102,81 @@ public class NpatchDrawing
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Bottom = 6,
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Layout = NPatchLayout.ThreePatchVertical
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};
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}
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public void Update()
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{
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// Update
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//----------------------------------------------------------------------------------
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mousePosition = GetMousePosition();
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// Resize the n-patches based on mouse position
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dstRec1.Width = mousePosition.X - dstRec1.X;
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dstRec1.Height = mousePosition.Y - dstRec1.Y;
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dstRec2.Width = mousePosition.X - dstRec2.X;
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dstRec2.Height = mousePosition.Y - dstRec2.Y;
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dstRecH.Width = mousePosition.X - dstRecH.X;
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dstRecV.Height = mousePosition.Y - dstRecV.Y;
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// Set a minimum width and/or height
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dstRec1.Width = Math.Clamp(dstRec1.Width, 1.0f, 300.0f);
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dstRec1.Height = MathF.Max(dstRec1.Height, 1.0f);
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dstRec2.Width = Math.Clamp(dstRec2.Width, 1.0f, 300.0f);
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dstRec2.Height = MathF.Max(dstRec2.Height, 1.0f);
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dstRecH.Width = MathF.Max(dstRecH.Width, 1.0f);
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dstRecV.Height = MathF.Max(dstRecV.Height, 1.0f);
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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// Draw the n-patches
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DrawTextureNPatch(nPatchTexture, ninePatchInfo2, dstRec2, origin, 0.0f, Color.White);
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DrawTextureNPatch(nPatchTexture, ninePatchInfo1, dstRec1, origin, 0.0f, Color.White);
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DrawTextureNPatch(nPatchTexture, h3PatchInfo, dstRecH, origin, 0.0f, Color.White);
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DrawTextureNPatch(nPatchTexture, v3PatchInfo, dstRecV, origin, 0.0f, Color.White);
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// Draw the source texture
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DrawRectangleLines(5, 88, 74, 266, Color.Blue);
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DrawTexture(nPatchTexture, 10, 93, Color.White);
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DrawText("TEXTURE", 15, 360, 10, Color.DarkGray);
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DrawText("Move the mouse to stretch or shrink the n-patches", 10, 20, 20, Color.DarkGray);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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public void Unload()
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{
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UnloadTexture(nPatchTexture); // Texture unloading
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}
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public static int Main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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InitWindow(screenWidth, screenHeight, "raylib [textures] example - npatch drawing");
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SetTargetFPS(60);
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//---------------------------------------------------------------------------------------
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var game = new NpatchDrawing();
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game.Init();
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// Main game loop
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while (!WindowShouldClose())
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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mousePosition = GetMousePosition();
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// Resize the n-patches based on mouse position
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dstRec1.Width = mousePosition.X - dstRec1.X;
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dstRec1.Height = mousePosition.Y - dstRec1.Y;
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dstRec2.Width = mousePosition.X - dstRec2.X;
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dstRec2.Height = mousePosition.Y - dstRec2.Y;
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dstRecH.Width = mousePosition.X - dstRecH.X;
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dstRecV.Height = mousePosition.Y - dstRecV.Y;
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// Set a minimum width and/or height
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dstRec1.Width = Math.Clamp(dstRec1.Width, 1.0f, 300.0f);
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dstRec1.Height = MathF.Max(dstRec1.Height, 1.0f);
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dstRec2.Width = Math.Clamp(dstRec2.Width, 1.0f, 300.0f);
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dstRec2.Height = MathF.Max(dstRec2.Height, 1.0f);
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dstRecH.Width = MathF.Max(dstRecH.Width, 1.0f);
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dstRecV.Height = MathF.Max(dstRecV.Height, 1.0f);
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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// Draw the n-patches
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DrawTextureNPatch(nPatchTexture, ninePatchInfo2, dstRec2, origin, 0.0f, Color.White);
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DrawTextureNPatch(nPatchTexture, ninePatchInfo1, dstRec1, origin, 0.0f, Color.White);
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DrawTextureNPatch(nPatchTexture, h3PatchInfo, dstRecH, origin, 0.0f, Color.White);
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DrawTextureNPatch(nPatchTexture, v3PatchInfo, dstRecV, origin, 0.0f, Color.White);
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// Draw the source texture
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DrawRectangleLines(5, 88, 74, 266, Color.Blue);
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DrawTexture(nPatchTexture, 10, 93, Color.White);
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DrawText("TEXTURE", 15, 360, 10, Color.DarkGray);
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DrawText("Move the mouse to stretch or shrink the n-patches", 10, 20, 20, Color.DarkGray);
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EndDrawing();
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//----------------------------------------------------------------------------------
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game.Update();
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}
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game.Unload();
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// De-Initialization
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//--------------------------------------------------------------------------------------
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UnloadTexture(nPatchTexture);
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CloseWindow();
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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