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WASM examples (+ backports of new official examples) (#344)

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* 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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466
Examples/Core/WindowFlags.cs
View file

@ -2,28 +2,254 @@
*
* raylib [core] example - window flags
*
* This example has been created using raylib 3.5 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
* Example complexity rating: [★★★☆] 3/4
*
* Copyright (c) 2020 Ramon Santamaria (@raysan5)
* Example originally created with raylib 3.5, last time updated with raylib 3.5
*
* 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) 2020-2025 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
using System.Numerics;
using static Raylib_cs.Raylib;
using static Raylib_cs.ConfigFlags;
namespace Examples.Core;
public class WindowFlags
[ExcludeFromBrowser("runtime window-state flags don't apply to the emscripten canvas")]
public partial class WindowFlags : IExample
{
private const int screenWidth = 800;
private const int screenHeight = 450;
public string Name => "Core / Window Flags";
public string Title => "raylib [core] example - window flags";
private Vector2 ballPosition;
private Vector2 ballSpeed;
private float ballRadius;
private int framesCounter = 0;
public void Init()
{
ballPosition = new(GetScreenWidth() / 2.0f, GetScreenHeight() / 2.0f);
ballSpeed = new(5.0f, 4.0f);
ballRadius = 20;
framesCounter = 0;
}
public void Update()
{
// Update
//-----------------------------------------------------
if (IsKeyPressed(KeyboardKey.F))
{
// modifies window size when scaling!
ToggleFullscreen();
}
if (IsKeyPressed(KeyboardKey.R))
{
if (IsWindowState(ResizableWindow))
{
ClearWindowState(ResizableWindow);
}
else
{
SetWindowState(ResizableWindow);
}
}
if (IsKeyPressed(KeyboardKey.D))
{
if (IsWindowState(UndecoratedWindow))
{
ClearWindowState(UndecoratedWindow);
}
else
{
SetWindowState(UndecoratedWindow);
}
}
if (IsKeyPressed(KeyboardKey.H))
{
if (!IsWindowState(HiddenWindow))
{
SetWindowState(HiddenWindow);
}
framesCounter = 0;
}
if (IsWindowState(HiddenWindow))
{
framesCounter++;
if (framesCounter >= 240)
{
// Show window after 3 seconds
ClearWindowState(HiddenWindow);
}
}
if (IsKeyPressed(KeyboardKey.N))
{
if (!IsWindowState(MinimizedWindow))
{
MinimizeWindow();
}
framesCounter = 0;
}
if (IsWindowState(MinimizedWindow))
{
framesCounter++;
if (framesCounter >= 240)
{
// Restore window after 3 seconds
RestoreWindow();
}
}
if (IsKeyPressed(KeyboardKey.M))
{
// NOTE: Requires FLAG_WINDOW_RESIZABLE enabled!
if (IsWindowState(MaximizedWindow))
{
RestoreWindow();
}
else
{
MaximizeWindow();
}
}
if (IsKeyPressed(KeyboardKey.U))
{
if (IsWindowState(UnfocusedWindow))
{
ClearWindowState(UnfocusedWindow);
}
else
{
SetWindowState(UnfocusedWindow);
}
}
if (IsKeyPressed(KeyboardKey.T))
{
if (IsWindowState(TopmostWindow))
{
ClearWindowState(TopmostWindow);
}
else
{
SetWindowState(TopmostWindow);
}
}
if (IsKeyPressed(KeyboardKey.A))
{
if (IsWindowState(AlwaysRunWindow))
{
ClearWindowState(AlwaysRunWindow);
}
else
{
SetWindowState(AlwaysRunWindow);
}
}
if (IsKeyPressed(KeyboardKey.V))
{
if (IsWindowState(VSyncHint))
{
ClearWindowState(VSyncHint);
}
else
{
SetWindowState(VSyncHint);
}
}
if (IsKeyPressed(KeyboardKey.B))
{
ToggleBorderlessWindowed();
}
// Bouncing ball logic
ballPosition.X += ballSpeed.X;
ballPosition.Y += ballSpeed.Y;
if ((ballPosition.X >= (GetScreenWidth() - ballRadius)) || (ballPosition.X <= ballRadius))
{
ballSpeed.X *= -1.0f;
}
if ((ballPosition.Y >= (GetScreenHeight() - ballRadius)) || (ballPosition.Y <= ballRadius))
{
ballSpeed.Y *= -1.0f;
}
//-----------------------------------------------------
// Draw
//-----------------------------------------------------
BeginDrawing();
if (IsWindowState(TransparentWindow))
{
ClearBackground(Color.Blank);
}
else
{
ClearBackground(Color.RayWhite);
}
DrawCircleV(ballPosition, ballRadius, Color.Maroon);
DrawRectangleLinesEx(new Rectangle(0, 0, GetScreenWidth(), GetScreenHeight()), 4, Color.RayWhite);
DrawCircleV(GetMousePosition(), 10, Color.DarkBlue);
DrawFPS(10, 10);
DrawText($"Screen Size: [{GetScreenWidth()}, {GetScreenHeight()}]", 10, 40, 10, Color.Green);
// Draw window state info
DrawText("Following flags can be set after window creation:", 10, 60, 10, Color.Gray);
DrawWindowState(FullscreenMode, "[F] FLAG_FULLSCREEN_MODE: ", 10, 80, 10);
DrawWindowState(ResizableWindow, "[R] FLAG_WINDOW_RESIZABLE: ", 10, 100, 10);
DrawWindowState(UndecoratedWindow, "[D] FLAG_WINDOW_UNDECORATED: ", 10, 120, 10);
DrawWindowState(HiddenWindow, "[H] FLAG_WINDOW_HIDDEN: ", 10, 140, 10);
DrawWindowState(MinimizedWindow, "[N] FLAG_WINDOW_MINIMIZED: ", 10, 160, 10);
DrawWindowState(MaximizedWindow, "[M] FLAG_WINDOW_MAXIMIZED: ", 10, 180, 10);
DrawWindowState(UnfocusedWindow, "[G] FLAG_WINDOW_UNFOCUSED: ", 10, 200, 10);
DrawWindowState(TopmostWindow, "[T] FLAG_WINDOW_TOPMOST: ", 10, 220, 10);
DrawWindowState(AlwaysRunWindow, "[A] FLAG_WINDOW_ALWAYS_RUN: ", 10, 240, 10);
DrawWindowState(VSyncHint, "[V] FLAG_VSYNC_HINT: ", 10, 260, 10);
DrawWindowState(BorderlessWindowMode, "[B] FLAG_BORDERLESS_WINDOWED_MODE: ", 10, 280, 10);
DrawText("Following flags can only be set before window creation:", 10, 320, 10, Color.Gray);
DrawWindowState(HighDpiWindow, "FLAG_WINDOW_HIGHDPI: ", 10, 340, 10);
DrawWindowState(TransparentWindow, "FLAG_WINDOW_TRANSPARENT: ", 10, 360, 10);
DrawWindowState(Msaa4xHint, "FLAG_MSAA_4X_HINT: ", 10, 380, 10);
EndDrawing();
//-----------------------------------------------------
}
public void Unload()
{
}
public static int Main()
{
// Initialization
//---------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
// Possible window flags
/*
FLAG_VSYNC_HINT
@ -42,235 +268,43 @@ public class WindowFlags
*/
// Set configuration flags for window creation
SetConfigFlags(VSyncHint | Msaa4xHint);
//SetConfigFlags(VSyncHint | Msaa4xHint | HighDpiWindow);// | TransparentWindow);
InitWindow(screenWidth, screenHeight, "raylib [core] example - window flags");
Vector2 ballPosition = new(GetScreenWidth() / 2, GetScreenHeight() / 2);
Vector2 ballSpeed = new(5.0f, 4.0f);
int ballRadius = 20;
int framesCounter = 0;
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//----------------------------------------------------------
var game = new WindowFlags();
game.Init();
// Main game loop
while (!WindowShouldClose())
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//-----------------------------------------------------
if (IsKeyPressed(KeyboardKey.F))
{
// modifies window size when scaling!
ToggleFullscreen();
}
if (IsKeyPressed(KeyboardKey.R))
{
if (IsWindowState(ResizableWindow))
{
ClearWindowState(ResizableWindow);
}
else
{
SetWindowState(ResizableWindow);
}
}
if (IsKeyPressed(KeyboardKey.D))
{
if (IsWindowState(UndecoratedWindow))
{
ClearWindowState(UndecoratedWindow);
}
else
{
SetWindowState(UndecoratedWindow);
}
}
if (IsKeyPressed(KeyboardKey.H))
{
if (!IsWindowState(HiddenWindow))
{
SetWindowState(HiddenWindow);
}
framesCounter = 0;
}
if (IsWindowState(HiddenWindow))
{
framesCounter++;
if (framesCounter >= 240)
{
// Show window after 3 seconds
ClearWindowState(HiddenWindow);
}
}
if (IsKeyPressed(KeyboardKey.N))
{
if (!IsWindowState(MinimizedWindow))
{
MinimizeWindow();
}
framesCounter = 0;
}
if (IsWindowState(MinimizedWindow))
{
framesCounter++;
if (framesCounter >= 240)
{
// Restore window after 3 seconds
RestoreWindow();
}
}
if (IsKeyPressed(KeyboardKey.M))
{
// NOTE: Requires FLAG_WINDOW_RESIZABLE enabled!
if (IsWindowState(MaximizedWindow))
{
RestoreWindow();
}
else
{
MaximizeWindow();
}
}
if (IsKeyPressed(KeyboardKey.U))
{
if (IsWindowState(UnfocusedWindow))
{
ClearWindowState(UnfocusedWindow);
}
else
{
SetWindowState(UnfocusedWindow);
}
}
if (IsKeyPressed(KeyboardKey.T))
{
if (IsWindowState(TopmostWindow))
{
ClearWindowState(TopmostWindow);
}
else
{
SetWindowState(TopmostWindow);
}
}
if (IsKeyPressed(KeyboardKey.A))
{
if (IsWindowState(AlwaysRunWindow))
{
ClearWindowState(AlwaysRunWindow);
}
else
{
SetWindowState(AlwaysRunWindow);
}
}
if (IsKeyPressed(KeyboardKey.V))
{
if (IsWindowState(VSyncHint))
{
ClearWindowState(VSyncHint);
}
else
{
SetWindowState(VSyncHint);
}
}
// Bouncing ball logic
ballPosition.X += ballSpeed.X;
ballPosition.Y += ballSpeed.Y;
if ((ballPosition.X >= (GetScreenWidth() - ballRadius)) || (ballPosition.X <= ballRadius))
{
ballSpeed.X *= -1.0f;
}
if ((ballPosition.Y >= (GetScreenHeight() - ballRadius)) || (ballPosition.Y <= ballRadius))
{
ballSpeed.Y *= -1.0f;
}
//-----------------------------------------------------
// Draw
//-----------------------------------------------------
BeginDrawing();
if (IsWindowState(TransparentWindow))
{
ClearBackground(Color.Blank);
}
else
{
ClearBackground(Color.RayWhite);
}
DrawCircleV(ballPosition, ballRadius, Color.Maroon);
DrawRectangleLinesEx(new Rectangle(0, 0, GetScreenWidth(), GetScreenHeight()), 4, Color.RayWhite);
DrawCircleV(GetMousePosition(), 10, Color.DarkBlue);
DrawFPS(10, 10);
DrawText($"Screen Size: [{GetScreenWidth()}, {GetScreenHeight()}]", 10, 40, 10, Color.Green);
// Draw window state info
Color on = Color.Lime;
Color off = Color.Maroon;
DrawText("Following flags can be set after window creation:", 10, 60, 10, Color.Gray);
DrawWindowState(FullscreenMode, "[F] FLAG_FULLSCREEN_MODE: ", 10, 80, 10);
DrawWindowState(ResizableWindow, "[R] FLAG_WINDOW_RESIZABLE: ", 10, 100, 10);
DrawWindowState(UndecoratedWindow, "[D] FLAG_WINDOW_UNDECORATED: ", 10, 120, 10);
DrawWindowState(HiddenWindow, "[H] FLAG_WINDOW_HIDDEN: ", 10, 140, 10);
DrawWindowState(MinimizedWindow, "[N] FLAG_WINDOW_MINIMIZED: ", 10, 160, 10);
DrawWindowState(MaximizedWindow, "[M] FLAG_WINDOW_MAXIMIZED: ", 10, 180, 10);
DrawWindowState(UnfocusedWindow, "[G] FLAG_WINDOW_UNFOCUSED: ", 10, 200, 10);
DrawWindowState(TopmostWindow, "[T] FLAG_WINDOW_TOPMOST: ", 10, 220, 10);
DrawWindowState(AlwaysRunWindow, "[A] FLAG_WINDOW_ALWAYS_RUN: ", 10, 240, 10);
DrawWindowState(VSyncHint, "[V] FLAG_VSYNC_HINT: ", 10, 260, 10);
DrawText("Following flags can only be set before window creation:", 10, 300, 10, Color.Gray);
DrawWindowState(HighDpiWindow, "[F] FLAG_WINDOW_HIGHDPI: ", 10, 320, 10);
DrawWindowState(TransparentWindow, "[F] FLAG_WINDOW_TRANSPARENT: ", 10, 340, 10);
DrawWindowState(Msaa4xHint, "[F] FLAG_MSAA_4X_HINT: ", 10, 360, 10);
EndDrawing();
//-----------------------------------------------------
game.Update();
}
game.Unload();
// De-Initialization
//---------------------------------------------------------
CloseWindow();
CloseWindow(); // Close window and OpenGL context
//----------------------------------------------------------
return 0;
}
static void DrawWindowState(ConfigFlags flag, string text, int posX, int posY, int fontSize)
private static void DrawWindowState(ConfigFlags flag, string text, int posX, int posY, int fontSize)
{
Color onColor = Color.Lime;
Color offColor = Color.Maroon;
var onColor = Color.Lime;
var offColor = Color.Maroon;
if (Raylib.IsWindowState(flag))
{
DrawText($"{text} on", posX, posY, fontSize, onColor);
DrawText($"{text}on", posX, posY, fontSize, onColor);
}
else
{
DrawText($"{text} off", posX, posY, fontSize, offColor);
DrawText($"{text}off", posX, posY, fontSize, offColor);
}
}
}