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VaclavEliasVaclavElias
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Merge pull request #175 from Doprez/particle-example
feat: Particle example
2 parents 9f052a5 + 9721b77 commit e772e56

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‎Stride.CommunityToolkit.sln‎

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@@ -75,6 +75,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Example11_ImGui", "examples
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Stride.CommunityToolkit.Bepu", "src\Stride.CommunityToolkit.Bepu\Stride.CommunityToolkit.Bepu.csproj", "{60A78B61-DCCC-4EBC-A617-234C54DFB9D4}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Example12_Particles", "examples\code-only\Example12_Particles\Example12_Particles\Example12_Particles.csproj", "{8821704B-5698-4C9A-B05F-C18B7122DD8B}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{60A78B61-DCCC-4EBC-A617-234C54DFB9D4}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{60A78B61-DCCC-4EBC-A617-234C54DFB9D4}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{60A78B61-DCCC-4EBC-A617-234C54DFB9D4}.Release|Any CPU.Build.0 = Release|Any CPU
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{8821704B-5698-4C9A-B05F-C18B7122DD8B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{8821704B-5698-4C9A-B05F-C18B7122DD8B}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{8821704B-5698-4C9A-B05F-C18B7122DD8B}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{8821704B-5698-4C9A-B05F-C18B7122DD8B}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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{5996C17E-629C-4F58-88F9-494559EB4FBF} = {30457B66-9E10-4290-9744-D0079DE0448B}
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{2D37B4BA-50F7-4347-8DC0-FA58C2AC2803} = {30457B66-9E10-4290-9744-D0079DE0448B}
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{EE31DB88-2FE2-45ED-B80F-76F0C1CB2008} = {30457B66-9E10-4290-9744-D0079DE0448B}
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{8821704B-5698-4C9A-B05F-C18B7122DD8B} = {30457B66-9E10-4290-9744-D0079DE0448B}
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {C7A8C18E-C1F5-492F-8173-51EC9495B78C}

‎examples/code-only/Example12_Particles/Example12_Particles/Example12_Particles.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>WinExe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\..\..\src\Stride.CommunityToolkit.ImGui\Stride.CommunityToolkit.ImGui.csproj" />
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<ProjectReference Include="..\..\..\..\src\Stride.CommunityToolkit.Skyboxes\Stride.CommunityToolkit.Skyboxes.csproj" />
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</ItemGroup>
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</Project>

‎examples/code-only/Example12_Particles/Example12_Particles/Program.cs‎

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using Stride.CommunityToolkit.Engine;
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using Stride.CommunityToolkit.Games;
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using Stride.CommunityToolkit.Skyboxes;
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using Stride.Core.Mathematics;
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using Stride.Engine;
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using Stride.Particles;
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using Stride.Particles.Components;
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using Stride.Particles.Initializers;
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using Stride.Particles.Materials;
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using Stride.Particles.Modules;
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using Stride.Particles.ShapeBuilders;
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using Stride.Particles.Spawners;
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using Stride.Rendering.Materials.ComputeColors;
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using var game = new Game();
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game.Run(start: Start);
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void Start(Scene scene)
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{
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SetupBaseScene();
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game.AddSkybox();
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game.AddProfiler();
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game.SetMaxFPS(60);
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CreateParticleEffect();
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}
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void SetupBaseScene()
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{
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game.AddGraphicsCompositor();
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game.Add3DCamera().Add3DCameraController();
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game.AddDirectionalLight();
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game.AddSkybox();
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game.Add3DGround();
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game.AddParticleRenderer();
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}
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void CreateParticleEffect()
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{
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var emitter = new ParticleEmitter
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{
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ParticleLifetime = new Vector2(0.5f, 0.5f),
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SimulationSpace = EmitterSimulationSpace.World,
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RandomSeedMethod = EmitterRandomSeedMethod.Time,
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ShapeBuilder = new ShapeBuilderBillboard(),
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Material = new ParticleMaterialComputeColor()
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{
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ComputeColor = new ComputeColor()
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{
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Value = new Color4(0, 0, 1, 1)
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}
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},
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};
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emitter.Spawners.Add(new SpawnerPerSecond()
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{
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LoopCondition = SpawnerLoopCondition.Looping,
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Delay = new Vector2(),
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Duration = new Vector2(1, 1),
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SpawnCount = 50,
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});
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var sizeInitializer = new InitialSizeSeed()
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{
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ScaleUniform = 0.3f,
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RandomSize = new Vector2(0.1f, 0.5f),
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};
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var positionInitializer = new InitialPositionSeed()
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{
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PositionMin = new Vector3(-0.03f, -0.03f, -0.03f),
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PositionMax = new Vector3(0.03f, 0.03f, 0.03f),
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};
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var velocityInitialzer = new InitialVelocitySeed()
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{
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VelocityMin = new Vector3(0, 3, 0),
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VelocityMax = new Vector3(3, 4, 3),
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};
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emitter.Initializers.Add(sizeInitializer);
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emitter.Initializers.Add(positionInitializer);
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emitter.Initializers.Add(velocityInitialzer);
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emitter.Updaters.Add(new UpdaterGravity() { GravitationalAcceleration = new Vector3(0, -9.8f, 0) });
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var particleSettings = new ParticleSystemSettings
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{
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WarmupTime = 0,
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};
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ParticleSystemComponent particles = new()
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{
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Color = Color.White,
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RenderGroup = Stride.Rendering.RenderGroup.Group0,
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Speed = 1,
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};
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particles.ParticleSystem.Emitters.Add(emitter);
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particles.ParticleSystem.Settings = particleSettings;
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var entity = new Entity
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{
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particles
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};
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entity.Name = "Particles";
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entity.Scene = game.SceneSystem.SceneInstance.RootScene;
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}

‎src/Stride.CommunityToolkit/Engine/GameExtensions.cs‎

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@@ -666,6 +666,11 @@ public static void AddDebugShapes(this Game game, RenderGroup debugShapeRenderGr
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game.GameSystems.Add(debugDraw);
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}
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public static void AddParticleRenderer(this Game game)
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{
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game.SceneSystem.GraphicsCompositor.AddParticleStagesAndFeatures();
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}
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/// <summary>
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/// Adds an <see cref="EntityDebugSceneRenderer"/> to the game's <see cref="GraphicsCompositor"/> for rendering entity debug information.
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/// </summary>

‎src/Stride.CommunityToolkit/Rendering/Compositing/GraphicsCompositorExtensions.cs‎

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using Stride.CommunityToolkit.Rendering.DebugShapes;
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using Stride.Particles.Rendering;
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using Stride.Rendering;
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using Stride.Rendering.Compositing;
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using Stride.Rendering.Images;
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UpdateSceneRendererCollection(graphicsCompositor, cameraSlot, uiStage);
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}
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public static void AddParticleStagesAndFeatures(this GraphicsCompositor graphicsCompositor)
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{
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if (!graphicsCompositor.TryGetRenderStage("Opaque", out var opaqueRenderStage))
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{
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throw new NullReferenceException("Opaque RenderStage not found");
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}
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if (!graphicsCompositor.TryGetRenderStage("Transparent", out var transparentRenderStage))
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{
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throw new NullReferenceException("Transparent RenderStage not found");
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}
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graphicsCompositor.RenderFeatures.Add(new ParticleEmitterRenderFeature()
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{
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Name = "ParticleEmitterRenderFeature",
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RenderStageSelectors =
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{
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new ParticleEmitterTransparentRenderStageSelector()
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{
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EffectName = "ParticleEmitterTransparent",
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RenderGroup = RenderGroupMaskAllExcludingGroup31(),
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OpaqueRenderStage = opaqueRenderStage,
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TransparentRenderStage = transparentRenderStage
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}
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}
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});
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}
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private static void UpdateSceneRendererCollection(GraphicsCompositor graphicsCompositor, SceneCameraSlot cameraSlot, RenderStage uiStage)
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{
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graphicsCompositor.Game = new SceneRendererCollection {

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