private static void SearchReflectionPointFromIndex(Vector3d startPosi, int index, FixedABPath path, List <Vector3d> points)
{
var graph = AstarPath.active.graphs[0] as RecastGraph;
bool findStartPoint = true;
Vector3d left = new Vector3d();
Vector3d right = new Vector3d();
int leftIndex = -1;
int rightIndex = -1;
int startPosiIndex = -1;
for (int i = index; i < path.path.Count; i++)
{
if (i != 0)
{
TriangleMeshNode prenode = path.path[i - 1] as TriangleMeshNode;
TriangleMeshNode curnode = path.path[i] as TriangleMeshNode;
int a, b;
a = prenode.SharedEdge(curnode);
b = a == 2?0:a + 1;
Int3 l = new Int3(); Int3 r = new Int3();
if (a != -1)
{
l = prenode.GetVertex(a);
}
if (b != -1)
{
r = prenode.GetVertex(b);
}
if (findStartPoint)
{
left = Int3.ToVector3D(l);
right = Int3.ToVector3D(r);
leftIndex = i;
rightIndex = i;
findStartPoint = false;
}
else
{
var tempL = Int3.ToVector3D(l);
var tempR = Int3.ToVector3D(r);
var relationL = GetRelation(left - startPosi, right - startPosi, tempL - startPosi);
var relationR = GetRelation(left - startPosi, right - startPosi, tempR - startPosi);
//寻找拐点
if (relationR == VectorRelation.Left && relationL == VectorRelation.Left)
{
bool add = AddPoint(left, points);
startPosi = left;
startPosiIndex = leftIndex;
if (add)
{
SpawnGO(left, i);
}
break;
}
else if (relationR == VectorRelation.Right && relationL == VectorRelation.Right)
{
bool add = AddPoint(right, points);
startPosi = right;
startPosiIndex = rightIndex;
if (add)
{
SpawnGO(right, i);
}
break;
}
else if (relationR == VectorRelation.Equal && relationL == VectorRelation.Right)
{
bool add = AddPoint(right, points);
startPosi = right;
startPosiIndex = rightIndex;
if (add)
{
SpawnGO(right, i);
}
break;
}
else if (relationR == VectorRelation.Equal && relationL == VectorRelation.Left)
{
bool add = AddPoint(left, points);
startPosi = left;
startPosiIndex = leftIndex;
if (add)
{
SpawnGO(left, i);
}
break;
}
//else if (relationL == VectorRelation.Equal && relationR == VectorRelation.Left)
//{
// bool add = AddPoint(left, points);
// startPosi = left;
// startPosiIndex = i;
// if (add)
// SpawnGO(left, i);
// break;
//}
//else if (relationL == VectorRelation.Equal && relationR == VectorRelation.Right)
//{
// bool add = AddPoint(right, points);
// startPosi = right;
// startPosiIndex = i;
// if(add)
// SpawnGO(right, i);
// break;
//}
//改变左右
if (relationR == VectorRelation.Inside && relationL == VectorRelation.Inside)
{
left = tempL;
right = tempR;
leftIndex = i;
rightIndex = i;
}
if (relationL == VectorRelation.Inside || relationL == VectorRelation.Equal)
{
left = tempL;
leftIndex = i;
}
if (relationR == VectorRelation.Inside || relationR == VectorRelation.Equal)
{
right = tempR;
rightIndex = i;
}
if (i == path.path.Count - 1)
{
var relationEndPoint = GetRelation(left - startPosi, right - startPosi,
path.EndPoint - startPosi);
if (relationEndPoint == VectorRelation.Left)
{
AddPoint(left, points);
SpawnGO(left, i);
}
else if (relationEndPoint == VectorRelation.Right)
{
AddPoint(right, points);
SpawnGO(right, i);
}
}
}
}
}
if (startPosiIndex != -1)
{
startPosiIndex++;
SearchReflectionPointFromIndex(startPosi, startPosiIndex, path, points);
}
}