static void DrawDC(RenderManager.CameraInfo cameraInfo,
ushort segmentID1, ushort segmentID2, ushort nodeID)
{
NetUtil.CalculateSegEndCenter(segmentID1, nodeID, out var pos1, out var dir1);
NetUtil.CalculateSegEndCenter(segmentID2, nodeID, out var pos2, out var dir2);
Bezier3 b = BezierUtil.Bezier3ByDir(pos1, -dir1, pos2, -dir2);
b.RenderArrow(cameraInfo, Color.cyan, 1);
}
