// Draw a line (curve) between the nodes.
public void DrawLine()
{
var p1 = (Vector3)_fromNode.windowPosition;
var p2 = (Vector3)_toNode.windowPosition;
p1 += (Vector3)_fromOutlet.buttonRect.center;
p2 += (Vector3)_toInlet.buttonRect.center;
DrawUtility.Curve(p1, p2);
}
// Draw the currently working link.
void DrawWorkingLink()
{
var p1 = (Vector3)_wiring.node.windowPosition;
var p2 = (Vector3)Event.current.mousePosition;
if (_wiring.inlet != null)
{
// Draw a curve from the inlet button.
p1 += (Vector3)_wiring.inlet.buttonRect.center;
DrawUtility.Curve(p2, p1);
}
else
{
// Draw a curve from the outlet button.
p1 += (Vector3)_wiring.outlet.buttonRect.center;
DrawUtility.Curve(p1, p2);
}
// Request repaint continuously.
Repaint();
}