void IParticleProcessor.DrawCallback(DrawState state, IParticleSystemDrawer particleDrawer, uint particleCount)
{
if (particleCount > 0)
{
particleDrawer.DrawCpuParticles(state, this.particleTypeData, particleCount, this.positions, this.velocity, this.colours, this.userdata);
}
}
//a display class wants to draw the particle system
void IParticleProcessor.DrawCallback(DrawState state, IParticleSystemDrawer drawer, uint particleCount)
{
if (particleCount == 0)
{
return;
}
Texture2D positionTex, velocityTex, colourTex, userValues;
//get the most recent textures this time
GetDisplayTextures(out positionTex, out velocityTex, out colourTex, out userValues);
if (positionTex != null)
{
drawer.DrawGpuParticles(state, this.particleTypeData, particleCount, positionTex, velocityTex, colourTex, userValues);
}
}
//call made by a particle drawer
internal void DrawCallback(DrawState state, IParticleSystemDrawer particleDrawer)
{
if (systemLogic == null)
throw new InvalidOperationException("Attempting to draw a ParticleSystem with unassigned ParticleSystemData Content");
if (disposed)
return;
this.drawProc.MarkAsDrawn();
//loop all the particle stores, and draw them all
foreach (ParticleStore store in this.particleStore)
store.ParticleProcessor.DrawCallback(state, particleDrawer, store.Count);
}
void IParticleProcessor.DrawCallback(DrawState state, IParticleSystemDrawer particleDrawer, uint particleCount)
{
if (particleCount > 0)
particleDrawer.DrawCpuParticles(state, this.particleTypeData, particleCount, this.positions, this.velocity, this.colours, this.userdata);
}
