Mesh CreateRingWaterMesh()
{
List <Vector3> insidePoints = mInsideShore.GetAllShorePoint();
List <Vector3> outsidePoints = mOutsideShore.GetAllShorePoint();
List <TriangleShape> generateTriangles = new List <TriangleShape> ();
List <Vector3> cullPointList1 = new List <Vector3> ();
List <Vector3> cullPointList2 = new List <Vector3> ();
for (int i = 0; i < insidePoints.Count; i++)
{
Vector3 curInsidePoint = insidePoints [i];
int nextInsideIndex = Utils.GetRingNextIndex(i, insidePoints.Count, false);
Vector3 nextInsidePoint = insidePoints[nextInsideIndex];
bool hasFind = false;
for (int j = 0; j < outsidePoints.Count; ++j)
{
Vector3 curOutSidePoint = outsidePoints [j];
int nextOutsideIndex = Utils.GetRingNextIndex(j, outsidePoints.Count, false);
Vector3 nextOutSidePoint = outsidePoints[nextOutsideIndex];
if (mInsideShore.IsLineIntersection(curInsidePoint, curOutSidePoint))
{
continue;
}
if (mInsideShore.IsLineIntersection(nextInsidePoint, nextOutSidePoint))
{
continue;
}
if (mOutsideShore.IsLineIntersection(curInsidePoint, curOutSidePoint))
{
continue;
}
if (mOutsideShore.IsLineIntersection(nextInsidePoint, nextOutSidePoint))
{
continue;
}
//把这四个点单独生成一个多边形
cullPointList1.Add(curInsidePoint);
cullPointList1.Add(curOutSidePoint);
cullPointList1.Add(nextOutSidePoint);
cullPointList1.Add(nextInsidePoint);
//把剩余所有的点单独生成多边形
Utils.CopyList(outsidePoints, cullPointList2, nextOutsideIndex, false);
Utils.CopyList(insidePoints, cullPointList2, i, true);
hasFind = true;
break;
}
if (hasFind)
{
break;
}
}
generateTriangles.AddRange(Utils.GenerateTriangles(cullPointList1));
generateTriangles.AddRange(Utils.GenerateTriangles(cullPointList2));
return(CreateMeshWithTrianglesList(generateTriangles));
}