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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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259
Examples/Models/SolarSystem.cs
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@ -1,161 +1,153 @@
/*******************************************************************************************
*
* raylib [models] example - rlgl module usage with push/pop matrix transformations
* raylib [models] example - rlgl solar system
*
* This example uses [rlgl] module funtionality (pseudo-OpenGL 1.1 style coding)
* Example complexity rating: [★★★★] 4/4
*
* This example has been created using raylib 2.5 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
* NOTE: This example uses [rlgl] module functionality (pseudo-OpenGL 1.1 style coding)
*
* Copyright (c) 2018 Ramon Santamaria (@raysan5)
* Example originally created with raylib 2.5, last time updated with raylib 4.0
*
* 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) 2018-2025 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
using System;
using System.Numerics;
using static Raylib_cs.Raylib;
namespace Examples.Models;
public class SolarSystem
public partial class SolarSystem : IExample
{
public static int Main()
private const int screenWidth = 800;
private const int screenHeight = 450;
private const float sunRadius = 4.0f;
private const float earthRadius = 0.6f;
private const float earthOrbitRadius = 8.0f;
private const float moonRadius = 0.16f;
private const float moonOrbitRadius = 1.5f;
public string Name => "Models / Solar System";
public string Title => "raylib [models] example - rlgl solar system";
private Camera3D camera;
private float rotationSpeed;
private float earthRotation;
private float earthOrbitRotation;
private float moonRotation;
private float moonOrbitRotation;
public void Init()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
const float sunRadius = 4.0f;
const float earthRadius = 0.6f;
const float earthOrbitRadius = 8.0f;
const float moonRadius = 0.16f;
const float moonOrbitRadius = 1.5f;
InitWindow(screenWidth, screenHeight, "raylib [models] example - rlgl module usage with push/pop matrix transformations");
// Define the camera to look into our 3d world
Camera3D camera = new();
camera.Position = new Vector3(16.0f, 16.0f, 16.0f);
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;
camera = new();
camera.Position = new Vector3(16.0f, 16.0f, 16.0f); // 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 projection type
// General system rotation speed
float rotationSpeed = 0.2f;
// Rotation of earth around itself (days) in degrees
float earthRotation = 0.0f;
// Rotation of earth around the Sun (years) in degrees
float earthOrbitRotation = 0.0f;
// Rotation of moon around itself
float moonRotation = 0.0f;
// Rotation of moon around earth in degrees
float moonOrbitRotation = 0.0f;
rotationSpeed = 0.2f; // General system rotation speed
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
earthRotation = 0.0f; // Rotation of earth around itself (days) in degrees
earthOrbitRotation = 0.0f; // Rotation of earth around the Sun (years) in degrees
moonRotation = 0.0f; // Rotation of moon around itself
moonOrbitRotation = 0.0f; // Rotation of moon around earth in degrees
}
// Main game loop
while (!WindowShouldClose())
{
// Update
//----------------------------------------------------------------------------------
UpdateCamera(ref camera, CameraMode.Free);
public void Update()
{
// Update
//----------------------------------------------------------------------------------
earthRotation += (5.0f * rotationSpeed);
earthOrbitRotation += (365 / 360.0f * (5.0f * rotationSpeed) * rotationSpeed);
moonRotation += (2.0f * rotationSpeed);
moonOrbitRotation += (8.0f * rotationSpeed);
//----------------------------------------------------------------------------------
earthRotation += (5.0f * rotationSpeed);
earthOrbitRotation += (365 / 360.0f * (5.0f * rotationSpeed) * rotationSpeed);
moonRotation += (2.0f * rotationSpeed);
moonOrbitRotation += (8.0f * rotationSpeed);
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RayWhite);
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RayWhite);
BeginMode3D(camera);
BeginMode3D(camera);
Rlgl.PushMatrix();
// Scale Sun
Rlgl.Scalef(sunRadius, sunRadius, sunRadius);
// Draw the Sun
DrawSphereBasic(Color.Gold);
Rlgl.PopMatrix();
Rlgl.PushMatrix();
// Scale Sun
Rlgl.Scalef(sunRadius, sunRadius, sunRadius);
// Draw the Sun
DrawSphereBasic(Color.Gold);
Rlgl.PopMatrix();
Rlgl.PushMatrix();
// Rotation for Earth orbit around Sun
Rlgl.Rotatef(earthOrbitRotation, 0.0f, 1.0f, 0.0f);
// Translation for Earth orbit
Rlgl.Translatef(earthOrbitRadius, 0.0f, 0.0f);
Rlgl.PushMatrix();
// Rotation for Earth orbit around Sun
Rlgl.Rotatef(earthOrbitRotation, 0.0f, 1.0f, 0.0f);
// Translation for Earth orbit
Rlgl.Translatef(earthOrbitRadius, 0.0f, 0.0f);
// Rotation for Earth orbit around Sun inverted
Rlgl.Rotatef(-earthOrbitRotation, 0.0f, 1.0f, 0.0f);
Rlgl.PushMatrix();
// Rotation for Earth itself
Rlgl.Rotatef(earthRotation, 0.25f, 1.0f, 0.0f);
// Scale Earth
Rlgl.Scalef(earthRadius, earthRadius, earthRadius);
Rlgl.PushMatrix();
// Rotation for Earth itself
Rlgl.Rotatef(earthRotation, 0.25f, 1.0f, 0.0f);
// Scale Earth
Rlgl.Scalef(earthRadius, earthRadius, earthRadius);
// Draw the Earth
DrawSphereBasic(Color.Blue);
Rlgl.PopMatrix();
// Draw the Earth
DrawSphereBasic(Color.Blue);
Rlgl.PopMatrix();
// Rotation for Moon orbit around Earth
Rlgl.Rotatef(moonOrbitRotation, 0.0f, 1.0f, 0.0f);
// Translation for Moon orbit
Rlgl.Translatef(moonOrbitRadius, 0.0f, 0.0f);
// Rotation for Moon itself
Rlgl.Rotatef(moonRotation, 0.0f, 1.0f, 0.0f);
// Scale Moon
Rlgl.Scalef(moonRadius, moonRadius, moonRadius);
// Rotation for Moon orbit around Earth
Rlgl.Rotatef(moonOrbitRotation, 0.0f, 1.0f, 0.0f);
// Translation for Moon orbit
Rlgl.Translatef(moonOrbitRadius, 0.0f, 0.0f);
// Rotation for Moon orbit around Earth inverted
Rlgl.Rotatef(-moonOrbitRotation, 0.0f, 1.0f, 0.0f);
// Rotation for Moon itself
Rlgl.Rotatef(moonRotation, 0.0f, 1.0f, 0.0f);
// Scale Moon
Rlgl.Scalef(moonRadius, moonRadius, moonRadius);
// Draw the Moon
DrawSphereBasic(Color.LightGray);
Rlgl.PopMatrix();
// Draw the Moon
DrawSphereBasic(Color.LightGray);
Rlgl.PopMatrix();
// Some reference elements (not affected by previous matrix transformations)
DrawCircle3D(
new Vector3(0.0f, 0.0f, 0.0f),
earthOrbitRadius,
new Vector3(1, 0, 0),
90.0f,
Fade(Color.Red, 0.5f)
);
DrawGrid(20, 1.0f);
// Some reference elements (not affected by previous matrix transformations)
DrawCircle3D(
new Vector3(0.0f, 0.0f, 0.0f),
earthOrbitRadius,
new Vector3(1, 0, 0),
90.0f,
ColorAlpha(Color.Red, 0.5f)
);
DrawGrid(20, 1.0f);
EndMode3D();
EndMode3D();
DrawText("EARTH ORBITING AROUND THE SUN!", 400, 10, 20, Color.Maroon);
DrawFPS(10, 10);
DrawText("EARTH ORBITING AROUND THE SUN!", 400, 10, 20, Color.Maroon);
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow();
//--------------------------------------------------------------------------------------
return 0;
public void Unload()
{
}
// Draw sphere without any matrix transformation
// NOTE: Sphere is drawn in world position ( 0, 0, 0 ) with radius 1.0f
static void DrawSphereBasic(Color color)
private static void DrawSphereBasic(Color color)
{
int rings = 16;
int slices = 16;
var rings = 16;
var slices = 16;
Rlgl.Begin(DrawMode.Triangles);
Rlgl.Color4ub(color.R, color.G, color.B, color.A);
for (int i = 0; i < (rings + 2); i++)
for (var i = 0; i < (rings + 2); i++)
{
for (int j = 0; j < slices; j++)
for (var j = 0; j < slices; j++)
{
Rlgl.Vertex3f(
MathF.Cos(DEG2RAD * (270 + (180 / (rings + 1)) * i)) * MathF.Sin(DEG2RAD * (j * 360 / slices)),
@ -192,5 +184,32 @@ public class SolarSystem
}
Rlgl.End();
}
}
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
InitWindow(screenWidth, screenHeight, "raylib [models] example - rlgl solar system");
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
var game = new SolarSystem();
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;
}
}