hyades.physics.Chain.Update C# (CSharp) Метод

        public void Update(double elapsed)
        {
            Vector2 force = new Vector2();
            for (int i = 0; i < spring_list.Count; i++)
            {
                Spring s = spring_list[i];
                Spring.SpringForce(ref s, out force);

                s.pointmass_a.force.X += force.X;
                s.pointmass_a.force.Y += force.Y;

                s.pointmass_b.force.X -= force.X;
                s.pointmass_b.force.Y -= force.Y;
            }

            for (int i = 1; i < pointmass_list.Count-1; i++)
            {
                pointmass_list[i].velocity.X *= damping;
                pointmass_list[i].velocity.Y *= damping;
                pointmass_list[i].Update(elapsed);
            }
        }