public void LookAt(Vec2D target)
{
float x = target.X - position.X;
float y = target.Y - position.Y;
Rotation = Convert.ToSingle(Math.Atan2(y, x) * 180 / Math.PI) + 90f;
}
public bool Equals(Vec2D p)
{
return((X == p.X) && (Y == p.Y));
}