void CycleNode(int dir)
{
TrackNodeTool trackNodeToolScript = (TrackNodeTool)target;
TrackNode trackNode = GetTrackNode();
if (trackNode != null)
{
cycleNodeIndex += dir;
trackNode.ClampIndex(ref cycleNodeIndex);
/*
* if (cycleNodeIndex >=trackNode.GetNodeCount ())
* {cycleNodeIndex = 0;}
* if (cycleNodeIndex < 0)
* {cycleNodeIndex =trackNode.GetNodeCount () - 1;}
*/
}
}
