WASM examples (+ backports of new official examples) (#344)
* chg: New build system that uses the officially distributed binaries, bumped version to 8.0.0, simplified git workflow, removed deprecated OpenGL 1.1 functionality. * chg: Modernize CI workflow, enable SourceLink - Bump workflow actions to latest majors (Node 24); drop deprecated softprops/action-gh-release@v1 - Trigger push builds on main instead of master - Create local nuget feed dir before pack (fixes NU1301) - Enable Microsoft.SourceLink.GitHub for debugging symbols (ref PR #340) * fix: centralized version data in Directory.build.props, and fixed various interop details that had incorrect function signatures * chore: updated readme * fix: version the native extract marker and chain download via DependsOnTargets The .extracted marker now includes the raylib package name, so bumping TargetRaylibTag re-extracts the new archive instead of silently keeping (and packing/copying) the previous version's files. _PrepareNativeLibrary and _StageWasmNative now depend directly on _DownloadAndExtractInternal instead of CallTarget-ing it; dependency targets run in the same project instance, so the resolved properties (RaylibPackageName etc.) propagate naturally. * fix: let the binding build for browser-wasm on both net8.0 and net10.0 The net8-era wasm workload (Microsoft.NET.Runtime.WebAssembly.Sdk 8.0.x, auto-imported for RID browser-wasm) treats every browser-wasm project as a wasm app: it forces OutputType=Exe after project evaluation (CS5001 for a classlib) and hooks its app-bundle build after Build, which errors because a library has no assemblies to bundle. Opt Raylib-cs out via DisableAutoWasmBuildApp (props time, before the workload defaults its trigger) and pin OutputType back to Library in Directory.Build.targets (evaluated after the workload props, so the assignment wins). net10's wasm SDK needs neither workaround. * chore: readme updated * chg: simplifying build logic - a simple line in the documentation should save us the code here * fix: Wrong signature of FrameBufferComplete * chore: readme update * feat: samples default to local project reference, and can optionally use the nuget package * feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style * chore: readme, gitignore, and targets backport. * fix: Examples.csproj runs the download task when building locally * feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style * chore: readme, gitignore, and targets backport. * chore: clean up linter warnings * feat: html harness focuses the example and allows quick navigation with J/K instead. * chore: readme mentions the property to use nuget vs. the local project reference * feat: replaced the J/K navigation with good old HTML buttons * chore: run dotnet format scoped default (was previously scoped to just 'style')
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236 changed files with 40405 additions and 10896 deletions
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/*******************************************************************************************
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*
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* raylib [shapes] example - raylib logo animation
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* raylib [shapes] example - logo raylib anim
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*
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* This example has been created using raylib 1.4 (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 complexity rating: [★★☆☆] 2/4
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*
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* Copyright (c) 2014 Ramon Santamaria (@raysan5)
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* Example originally created with raylib 2.5, last time updated with raylib 4.0
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*
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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) 2014-2025 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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using static Raylib_cs.Raylib;
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namespace Examples.Shapes;
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public class LogoRaylibAnim
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public partial class LogoRaylibAnim : IExample
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{
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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 => "Shapes / Logo Raylib Anim";
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public string Title => "raylib [shapes] example - logo raylib anim";
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private int logoPositionX;
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private int logoPositionY;
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private int framesCounter;
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private int lettersCount;
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private int topSideRecWidth;
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private int leftSideRecHeight;
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private int bottomSideRecWidth;
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private int rightSideRecHeight;
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private int state; // Tracking animation states (State Machine)
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private float alpha; // Useful for fading
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private Color outline;
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public void Init()
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{
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logoPositionX = screenWidth / 2 - 128;
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logoPositionY = screenHeight / 2 - 128;
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framesCounter = 0;
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lettersCount = 0;
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topSideRecWidth = 16;
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leftSideRecHeight = 16;
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bottomSideRecWidth = 16;
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rightSideRecHeight = 16;
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state = 0;
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alpha = 1.0f;
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outline = new(139, 71, 135, 255);
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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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if (state == 0) // State 0: Small box blinking
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{
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framesCounter++;
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if (framesCounter == 120)
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{
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state = 1;
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framesCounter = 0; // Reset counter... will be used later...
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}
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}
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else if (state == 1) // State 1: Top and left bars growing
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{
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topSideRecWidth += 4;
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leftSideRecHeight += 4;
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if (topSideRecWidth == 256)
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{
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state = 2;
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}
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}
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else if (state == 2) // State 2: Bottom and right bars growing
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{
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bottomSideRecWidth += 4;
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rightSideRecHeight += 4;
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if (bottomSideRecWidth == 256)
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{
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state = 3;
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}
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}
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else if (state == 3) // State 3: Letters appearing (one by one)
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{
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framesCounter++;
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// Every 12 frames, one more letter!
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if (framesCounter / 12 != 0)
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{
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lettersCount++;
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framesCounter = 0;
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}
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// When all letters have appeared, just fade out everything
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if (lettersCount >= 10)
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{
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alpha -= 0.02f;
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if (alpha <= 0.0f)
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{
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alpha = 0.0f;
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state = 4;
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}
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}
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}
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else if (state == 4) // State 4: Reset and Replay
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{
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if (IsKeyPressed(KeyboardKey.R))
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{
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framesCounter = 0;
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lettersCount = 0;
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topSideRecWidth = 16;
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leftSideRecHeight = 16;
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bottomSideRecWidth = 16;
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rightSideRecHeight = 16;
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alpha = 1.0f;
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state = 0; // Return to State 0
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}
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}
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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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if (state == 0)
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{
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if ((framesCounter / 15) % 2 != 0)
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{
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DrawRectangle(logoPositionX, logoPositionY, 16, 16, outline);
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}
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}
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else if (state == 1)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, outline);
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DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, outline);
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}
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else if (state == 2)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, outline);
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DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, outline);
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DrawRectangle(logoPositionX + 240, logoPositionY, 16, rightSideRecHeight, outline);
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DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, outline);
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}
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else if (state == 3)
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{
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var outlineFade = Fade(outline, alpha);
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, outlineFade);
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DrawRectangle(logoPositionX, logoPositionY + 16, 16, leftSideRecHeight - 32, outlineFade);
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DrawRectangle(logoPositionX + 240, logoPositionY + 16, 16, rightSideRecHeight - 32, outlineFade);
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DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, outlineFade);
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var whiteFade = Fade(Color.RayWhite, alpha);
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DrawRectangle(screenWidth / 2 - 112, screenHeight / 2 - 112, 224, 224, whiteFade);
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var label = Fade(new Color(155, 79, 151, 255), alpha);
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var text = "raylib".SubText(0, lettersCount);
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DrawText(text, screenWidth / 2 - 44, screenHeight / 2 + 28, 50, label);
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DrawText("cs".SubText(0, lettersCount), screenWidth / 2 - 44, screenHeight / 2 + 58, 50, label);
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}
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else if (state == 4)
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{
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DrawText("[R] REPLAY", 340, 200, 20, Color.Gray);
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}
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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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}
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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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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [shapes] example - logo raylib anim");
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InitWindow(screenWidth, screenHeight, "raylib [shapes] example - raylib logo animation");
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int logoPositionX = screenWidth / 2 - 128;
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int logoPositionY = screenHeight / 2 - 128;
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int framesCounter = 0;
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int lettersCount = 0;
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int topSideRecWidth = 16;
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int leftSideRecHeight = 16;
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int bottomSideRecWidth = 16;
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int rightSideRecHeight = 16;
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// Tracking animation states (State Machine)
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int state = 0;
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// Useful for fading
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float alpha = 1.0f;
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Color outline = new(139, 71, 135, 255);
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SetTargetFPS(60);
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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var game = new LogoRaylibAnim();
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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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// State 0: Small box blinking
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if (state == 0)
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{
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framesCounter++;
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// Reset counter... will be used later...
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if (framesCounter == 120)
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{
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state = 1;
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framesCounter = 0;
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}
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}
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// State 1: Top and left bars growing
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else if (state == 1)
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{
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topSideRecWidth += 4;
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leftSideRecHeight += 4;
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if (topSideRecWidth == 256)
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{
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state = 2;
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}
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}
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// State 2: Bottom and right bars growing
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else if (state == 2)
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{
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bottomSideRecWidth += 4;
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rightSideRecHeight += 4;
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if (bottomSideRecWidth == 256)
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{
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state = 3;
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}
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}
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// State 3: Letters appearing (one by one)
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else if (state == 3)
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{
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framesCounter++;
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// Every 12 frames, one more letter!
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if (framesCounter / 12 != 0)
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{
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lettersCount++;
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framesCounter = 0;
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}
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// When all letters have appeared, just fade out everything
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if (lettersCount >= 10)
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{
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alpha -= 0.02f;
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if (alpha <= 0.0f)
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{
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alpha = 0.0f;
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state = 4;
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}
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}
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}
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// State 4: Reset and Replay
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else if (state == 4)
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{
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if (IsKeyPressed(KeyboardKey.R))
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{
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framesCounter = 0;
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lettersCount = 0;
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topSideRecWidth = 16;
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leftSideRecHeight = 16;
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bottomSideRecWidth = 16;
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rightSideRecHeight = 16;
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// Return to State 0
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alpha = 1.0f;
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state = 0;
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}
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}
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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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if (state == 0)
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{
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if ((framesCounter / 15) % 2 != 0)
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{
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DrawRectangle(logoPositionX, logoPositionY, 16, 16, outline);
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}
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}
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else if (state == 1)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, outline);
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DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, outline);
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}
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else if (state == 2)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, outline);
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DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, outline);
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DrawRectangle(logoPositionX + 240, logoPositionY, 16, rightSideRecHeight, outline);
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DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, outline);
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}
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else if (state == 3)
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{
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Color outlineFade = ColorAlpha(outline, alpha);
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, outlineFade);
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DrawRectangle(logoPositionX, logoPositionY + 16, 16, leftSideRecHeight - 32, outlineFade);
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DrawRectangle(logoPositionX + 240, logoPositionY + 16, 16, rightSideRecHeight - 32, outlineFade);
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DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, outlineFade);
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Color whiteFade = ColorAlpha(Color.RayWhite, alpha);
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DrawRectangle(screenWidth / 2 - 112, screenHeight / 2 - 112, 224, 224, whiteFade);
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Color label = ColorAlpha(new Color(155, 79, 151, 255), alpha);
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string text = "raylib".SubText(0, lettersCount);
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DrawText(text, screenWidth / 2 - 44, screenHeight / 2 + 28, 50, label);
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DrawText("cs".SubText(0, lettersCount), screenWidth / 2 - 44, screenHeight / 2 + 58, 50, label);
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}
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else if (state == 4)
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{
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DrawText("[R] REPLAY", 340, 200, 20, Color.Gray);
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}
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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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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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