/// <summary>
/// 生成指定地面网格单元格投影到TriFace上的体素Box
/// </summary>
/// <param name="cellx"></param>
/// <param name="cellz"></param>
void CreateFloorGridCellProjTriFaceVoxBox(int cellx, int cellz)
{
Vector3d[] rect = voxSpace.GetFloorGridCellRect(cellx, cellz);
OverlapRelation relation = geoAlgo.GetOverlapRelation(polyProjectionFloor, rect);
if (relation == OverlapRelation.NotOverlay)
{
return;
}
Vector3d[] projectionPts;
if (relation == OverlapRelation.PartOverlay)
{
int count = geoAlgo.InRect2DCount(rect[0].x, rect[2].x, rect[0].z, rect[1].z, vertexsProjectionFloor, ref inRectIdx);
if (count == vertexsProjectionFloor.Length)
{
projectionPts = vertexs;
}
else
{
edgePloyPts.Clear();
if (faceDirType != DirCmpInfo.Vertical)
{
for (int i = 0; i < rect.Length; i++)
{
if (geoAlgo.IsInsidePoly2D(polyProjectionFloor, rect[i]))
{
edgePloyPts.Add(rect[i]);
}
}
}
for (int i = 0; i < count; i++)
{
edgePloyPts.Add(vertexsProjectionFloor[inRectIdx[i]]);
}
for (int i = 0; i < preCellRectSides.Length; i++)
{
preCellRectSides[i].startpos = rect[i];
}
Vector3d[] pts = geoAlgo.SolvePolySidesCrossPoints2D(preCellRectSides, polyProjectionFloor.sidesList[0]);
for (int i = 0; i < pts.Length; i++)
{
edgePloyPts.Add(pts[i]);
}
projectionPts = CreateProjectionToTriFacePts(edgePloyPts.ToArray());
}
}
else
{
projectionPts = CreateProjectionToTriFacePts(rect);
}
CreateVoxBoxToList(projectionPts, cellx, cellz);
}
