private static void integrate()
{
int i = 0;
for (i = 0; i <= particles.Count - 1; i++)
{
if (particles[i] is RectangleParticle)
{
//DirectCast(particles.Item(i), RectangleParticle).update(timeStep)
RectangleParticle objRect = (RectangleParticle)particles[i];
objRect.update(timeStep);
}
else if (particles[i] is CircleParticle)
{
//DirectCast(particles.Item(i), CircleParticle).update(timeStep)
CircleParticle objCir = (CircleParticle)particles[i];
objCir.update(timeStep);
//particles[i].update(timeStep);
}
}
}
