void DrawLine()
{
if (goList.Count < count || LineMat == null)
{
return;
}
var p0 = goList[0].transform.position;
var p1 = goList[1].transform.position;
var p2 = goList[2].transform.position;
var points1 = new Vector3[] { p0, p1 };
DrawLine_Impl(points1, Color.red);
var points2 = new Vector3[] { p1, p2 };
DrawLine_Impl(points2, Color.red);
var points3 = new Vector3[num];
BezierUtil.GetBezier(ref points3, p0, p1, p2, num);
DrawLine_Impl(points3, Color.blue);
}