public static void Move(Particle body, float dt, AABB worldBox)
{
body.pt += body.velocity * dt;
// naive implementation, flip if hits border
if (body.pt.X < worldBox.Min.X || body.pt.X > worldBox.Max.X)
body.velocity.X *= -1;
if (body.pt.Y < worldBox.Min.Y || body.pt.Y > worldBox.Max.Y)
body.velocity.Y *= -1;
if (body.pt.Z < worldBox.Min.Z || body.pt.Z > worldBox.Max.Z)
body.velocity.Z *= -1;
}
public static void Move(Particle body, float dt)
{
body.pt += body.velocity * dt;
}