/// <summary>Adds a particle system to be processed by the manager</summary>
/// <typeparam name="ParticleType">
/// Type of particles being stored in the particle system
/// </typeparam>
/// <typeparam name="VertexType">
/// Type of vertices that will be generated from the particles
/// </typeparam>
/// <param name="particleSystem">
/// Particle system that will be added to the manager
/// </param>
/// <param name="pruneDelegate">Method used to detect dead particles</param>
/// <param name="renderer">
/// Particle renderer that will turn the particles into vertices and send
/// them to a primitive batch for rendering
/// </param>
public void AddParticleSystem <ParticleType, VertexType>(
ParticleSystem <ParticleType> particleSystem,
ParticleSystem <ParticleType> .PrunePredicate pruneDelegate,
IParticleRenderer <ParticleType, VertexType> renderer
)
where ParticleType : struct
where VertexType : struct
#if XNA_4
, IVertexType
#endif
{
PrimitiveBatchHolder <VertexType> holder;
holder = getOrCreatePrimitiveBatch <VertexType>();
try {
this.particleSystems.Add(
particleSystem,
new ParticleSystemHolder <ParticleType, VertexType>(
particleSystem,
pruneDelegate,
renderer,
holder
)
);
this.holderArraysDirty = true;
}
catch (Exception) {
holder.Release();
throw;
}
}
/// <summary>Initializes a new particle system holder</summary>
/// <param name="particleSystem">Particle system the holder will manage</param>
/// <param name="renderer">
/// Renderer through which the particles are sent to the primitive batch
/// </param>
/// <param name="pruneDelegate">
/// Method which will be used to detect dead particles
/// </param>
/// <param name="primitiveBatchHolder">
/// Primitive batch holder that manages the primitive batch used to
/// render the vertices generated by this particle system
/// </param>
public ParticleSystemHolder(
ParticleSystem <ParticleType> particleSystem,
ParticleSystem <ParticleType> .PrunePredicate pruneDelegate,
IParticleRenderer <ParticleType, VertexType> renderer,
PrimitiveBatchHolder <VertexType> primitiveBatchHolder
)
{
if (renderer == null)
{
throw new ArgumentException("You must specify a renderer", "renderer");
}
this.particleSystem = particleSystem;
this.pruneDelegate = pruneDelegate;
this.renderer = renderer;
this.primitiveBatchHolder = primitiveBatchHolder;
}
public void TestThrowOnAddParticleSystemWithNullRenderer()
{
using (
ParticleSystemManager manager = new ParticleSystemManager(
this.mockedGraphicsDeviceService
)
) {
IParticleRenderer <SimpleParticle> nullRenderer = null;
Assert.Throws <ArgumentException>(
delegate() {
manager.AddParticleSystem(
new ParticleSystem <SimpleParticle>(100), dontPrune, nullRenderer
);
}
);
}
}
public static bool TryCreateRender(string name, IKeyValueCollection rendererInfo, VrfGuiContext vrfGuiContext, out IParticleRenderer renderer)
{
if (RendererDictionary.TryGetValue(name, out var factory))
{
renderer = factory(rendererInfo, vrfGuiContext);
return(true);
}
renderer = default;
return(false);
}
public ParticleType(Polygon polygon, IDistribution <int> lifetimeDistribution)
{
_renderer = new ColoredParticleRenderer(polygon);
this.Lifetime = lifetimeDistribution;
}
public ParticleType(Sprite sprite, IDistribution <int> lifetimeDistribution, double animationSpeed = 1.0)
{
_renderer = new TexturedParticleRenderer(sprite, animationSpeed);
this.Lifetime = lifetimeDistribution;
}
public ParticleSystem(IParticleEmitter emitter, IParticleRenderer renderer)
{
_particles = new List <Particle>();
_emitter = emitter;
_renderer = renderer;
}
