private void OctTreeMethod()
{
if (Animated)
{
OT.UpdateTree(mPointList);
}
for (int i = 0; i < PointNum; i++)
{
mLineList[i].SetPosition(0, mPointList[i].position);
mLineList[i].SetPosition(1, OT.FindCloset(mPointList[i]).position);
}
}