public void _Update()
{
for (int i = 0; i < particles.Count; i++)
{
particles[i].WorldForces += ForceManager.AccumulateForces(particles[i]);
particles[i].Update();
}
List <Dictionary <string, Vector2> > volumetricForces =
ForceManager.AccumulateVolumetricForces();
if (volumetricForces != null)
{
foreach (Dictionary <string, Vector2> accum in volumetricForces)
{
if (accum != null)
{
for (int i = 0; i < accum.Count; i++)
{
for (int j = 0; j < particles.Count; i++)
{
if (particles[j].AttachedToID != "None")
{
Vector2 vec = (from s in accum.Keys
where s == particles[j].AttachedToID
select accum[s]).FirstOrDefault();
if (vec != null)
{
particles[j].WorldForces += vec;
}
}
}
}
}
}
}
}