public void RenderConnection(Connection connection, Vector2 end)
{
var bound = connection.GetBounds();
var pos = new Vector2(bound.X, bound.Y);
var v = new Vector2((pos - end).Length / 4, 0);
if (pos == end)
{
return;
}
NanoVG.nvgSave(MainWindow.Nvg);
NanoVG.nvgLineCap(MainWindow.Nvg, (int)NvgLineCap.Round);
NanoVG.nvgStrokeColor(MainWindow.Nvg, NanoVG.nvgRGBA(128, 128, 128, 255));
var ctrl1 = connection.Side == NodeSide.Input ? pos - v : pos + v;
var ctrl2 = connection.Side == NodeSide.Input ? end + v : end - v;
NanoVG.nvgBeginPath(MainWindow.Nvg);
NanoVG.nvgMoveTo(MainWindow.Nvg, pos.X, pos.Y);
NanoVG.nvgBezierTo(MainWindow.Nvg, ctrl1.X, ctrl1.Y, ctrl2.X, ctrl2.Y, end.X, end.Y);
NanoVG.nvgStroke(MainWindow.Nvg);
NanoVG.nvgRestore(MainWindow.Nvg);
}