public ParticleList(RTSRenderer renderer, int maxCount, ParticleType pt)
{
Type = pt;
// Make The Lists
particles = new List <PType>();
vertices = new VType[maxCount];
// Create The Instance Buffer
InstanceBuffer = renderer.CreateDynamicVertexBuffer(vertices[0].VertexDeclaration, MaxCount, BufferUsage.WriteOnly);
InstanceBuffer.SetData(vertices);
VBBinds = new VertexBufferBinding[2];
VBBinds[1] = new VertexBufferBinding(InstanceBuffer, 0, 1);
}
public void Update(List <Particle> newParticles, float dt)
{
// Update The Particles
Action <Particle> fp = (p) => { p.Update(dt); };
particles.AsParallel().ForAll(fp);
bool add = particles.RemoveAll(Particle.IsParticleDead) > 0;
// Add New Particles
for (int i = 0; i < newParticles.Count; i++)
{
if (newParticles[i] == null)
{
continue;
}
if (newParticles[i].Type == Type)
{
particles.Add(newParticles[i] as PType);
add = true;
}
}
if (add)
{
// Make Sure We Don't Run Over
if (particles.Count > MaxCount)
{
particles.RemoveRange(0, particles.Count - MaxCount);
}
for (int i = 0; i < particles.Count; i++)
{
vertices[i] = (VType)particles[i].Vertex;
}
InstanceBuffer.SetData(vertices);
}
}
public void UpdateInstanceBuffer()
{
// dirty flag?
InstanceBuffer.SetData(Instances_);
}