//----------------------------------------------------
// run the physics for all the particles
//----------------------------------------------------
private void simulateParticlesCPU(float deltaTime)
{
if (_useMultithreading)
{
if (_parallelForeach == null)
{
_parallelForeach = new ParallelForeach((a, b) => particleSimulationLogic(a, b, deltaTime));
}
_parallelForeach.Dispatch(NUM_PARTICLES);
_parallelForeach.Wait();
}
else
{
particleSimulationLogic(0, NUM_PARTICLES, deltaTime);
}
//----------------------------
// swap back and front buffer
//----------------------------
var temp = _backBuffer;
_backBuffer = _particles;
_particles = temp;
}
public Worker(ParallelForeach parent)
{
_parent = parent;
thread = new Thread(Run);
thread.Priority = System.Threading.ThreadPriority.Highest;
thread.IsBackground = true;
thread.Start();
}
protected virtual void Awake()
{
_stopwatch.Start();
int cores = SystemInfo.processorCount;
_integrationForeach = new ParallelForeach(integrateParticles, cores);
_resolveCollisionsForeach = new ParallelForeach(resolveCollisionsNaive, cores);
_integrationForeach.OnComplete += () => {
System.Array.Copy(_particlesFront, _particlesBack, _aliveParticles);
_resolveCollisionsForeach.Dispatch(_aliveParticles);
};
ResetSimulation();
_randomColors = new Color[maxParticles];
for (int i = 0; i < maxParticles; i++)
{
_randomColors[i] = new Color(UnityEngine.Random.value, UnityEngine.Random.value, UnityEngine.Random.value);
}
}
