public static void Step()
{
var quadtree = Quadtree.Build(Particles, Min, Max);
Parallel.ForEach(Particles, particle =>
{
var a = Particles.ToList();
a.Remove(particle);
particle.Velocity += AddThem(a.Select(x => quadtree.GetForce(particle, x) / particle.Mass).ToList());
particle.Position += particle.Velocity;
});
}
public static Quadtree Build(List <Particle> particles, Vector2 min, Vector2 max)
{
if (particles.Count == 0)
{
return(new Quadtree(min, max));
}
Quadtree quadtree = new Quadtree(particles[0], min, max);
for (int i = 1; i < particles.Count; i++)
{
quadtree.Insert(particles[i]);
}
quadtree.Compute();
return(quadtree);
}