private PointInfo FindCrossPointOnWholePath(Vector3 vx, Vector3 vx1, Vector3 vx2, List <int> excludesIndex = null)
{
PointInfo info = null;
for (int i = 0; i < movePoints.Length - 1; i++)
{
if (null != excludesIndex && excludesIndex.Contains(i))
{
continue;
}
Vector3 p1 = movePoints[i];
Vector3 p2 = movePoints [i + 1];
Vector3 pInter = Vector3.zero;
bool cross = Vector2DUtils.LineLineIntersection(out pInter, p1, p2 - p1, vx, vx1 - vx);
if (!cross)
{
cross = Vector2DUtils.LineLineIntersection(out pInter, p1, p2 - p1, vx, vx2 - vx);
}
if (!cross)
{
continue;
}
if (0 != Vector2DUtils.PointOnWhichSideOfLineSegment(p1, p2, pInter))
{
continue;
}
info = new PointInfo();
info.position = pInter;
info.startIndex = i;
break;
}
return(info);
}