internal Vector2 GetImpulse(Node node1, Node node2)//, out bool isBroken)
{
var r = node1.Position - node2.Position;
//isBroken = r.Length() > BreakLength;
//if (isBroken)
// return Vector2.Zero;
var length = r.Length();
float displacement = length - RestLength;
float impulse = Lambda * displacement;
return (impulse / length) * r;
}
private Node GetNode2(Node[] nodes) => nodes[NodeIndex2];
public void Draw(Graphics graphics, Node[] nodes)
{
var node1 = GetNode1(nodes);
var node2 = GetNode2(nodes);
graphics.DrawLine(Pens.Black, node1.Position.X, node1.Position.Y, node2.Position.X, node2.Position.Y);
}
private Node GetNode1(Node[] nodes) => nodes[NodeIndex1];
private static void UpdateNodes(float dt, Node[] nodes, Vector2[] impulses)
{
for (int i = 0; i < nodes.Length; i++)
{
var impulse = impulses[i];
nodes[i].Update(dt, impulse);//, previousImpulses[i]);
}
}