public void SetUsed()
{
isUsed = true;
CrossPointInfo info = GetCrossSideCrossPointInfo();
info.isUsed = true;
}
public CrossPointInfo Copy()
{
CrossPointInfo info = new CrossPointInfo();
info.isUsed = isUsed;
info.type = type;
info.pt = pt;
info.dist = dist;
info.inoutType = inoutType;
info.selfSide = selfSide;
info.pointIdx = pointIdx;
info.crossSide = crossSide;
info.crossSidePointIdx = crossSidePointIdx;
return(info);
}
/// <summary>
/// 为多边形生成端点的交点信息
/// </summary>
/// <param name="poly"></param>
void CreatePolyEndPointInfo(Poly poly)
{
CrossPointInfo crossPtInfo;
List <PolySide[]> sidesList = poly.sidesList;
for (int i = 0; i < sidesList.Count; i++)
{
PolySide[] sides = sidesList[i];
for (int j = 0; j < sides.Length; j++)
{
if (sides[j].crossPointInfoList == null)
{
sides[j].crossPointInfoList = new List <CrossPointInfo>();
}
sides[j].crossPointInfoList = new List <CrossPointInfo>();
crossPtInfo = new CrossPointInfo();
crossPtInfo.type = PointType.EndPoint;
crossPtInfo.selfSide = sides[j];
crossPtInfo.crossSide = null;
crossPtInfo.pt = sides[j].startpos;
crossPtInfo.pointIdx = 0;
crossPtInfo.crossSidePointIdx = 1;
crossPtInfo.dist = 0 - 0.0001f;
sides[j].crossPointInfoList.Add(crossPtInfo);
crossPtInfo = new CrossPointInfo();
crossPtInfo.type = PointType.EndPoint;
crossPtInfo.selfSide = sides[j];
crossPtInfo.crossSide = null;
crossPtInfo.pt = sides[j].startpos + sides[j].dir * sides[j].step;
crossPtInfo.pointIdx = 1;
crossPtInfo.crossSidePointIdx = 0;
crossPtInfo.dist = sides[j].step + 0.0001f;
sides[j].crossPointInfoList.Add(crossPtInfo);
}
}
}
/// <summary>
/// 差集
/// </summary>
void SubOp()
{
List <Vector3d> newPolyVertList = new List <Vector3d>();
CrossPointInfo firstPtInfo;
CrossPointInfo ptInfo = null, ptInfo2;
bool wiseFlag;
bool isPolyANull = false;
while (true)
{
wiseFlag = true;
firstPtInfo = null;
if (!isPolyANull)
{
ptInfo = firstPtInfo = polyA.GetOneUnUsedEndPointInfo(0);
}
if (firstPtInfo == null)
{
isPolyANull = true;
ptInfo = firstPtInfo = polyB.GetOneUnUsedEndPointInfo(0);
if (firstPtInfo == null)
{
break;
}
}
while (true)
{
ptInfo.SetUsed();
newPolyVertList.Add(ptInfo.pt);
if (wiseFlag)
{
ptInfo2 = ptInfo.GetSelfSideNextCrossPointInfo();
if (ptInfo2 != null)
{
ptInfo = ptInfo2;
}
else
{
ptInfo = ptInfo.GetCrossSideCrossPointInfo();
ptInfo = ptInfo.GetSelfSideNextCrossPointInfo();
}
}
else
{
ptInfo2 = ptInfo.GetSelfSidePrevCrossPointInfo();
if (ptInfo2 != null)
{
ptInfo = ptInfo2;
}
else
{
ptInfo = ptInfo.GetCrossSideCrossPointInfo();
ptInfo = ptInfo.GetSelfSidePrevCrossPointInfo();
}
}
if (ptInfo.type != PointType.EndPoint)
{
ptInfo = ptInfo.GetCrossSideCrossPointInfo();
wiseFlag = !wiseFlag;
}
else
{
if (ptInfo == firstPtInfo ||
ptInfo.GetCrossSideCrossPointInfo() == firstPtInfo)
{
break;
}
}
}
if (newPolyVertList.Count > 0)
{
resultPolyVertsList.Add(newPolyVertList.ToArray());
newPolyVertList.Clear();
}
}
if (resultPolyVertsList.Count != 0)
{
return;
}
//
int inoutA = polyA.sidesList[0][0].crossPointInfoList[0].inoutType;
int inoutB = polyB.sidesList[0][0].crossPointInfoList[0].inoutType;
if (inoutA == 0 && inoutB == 0)
{
for (int i = 0; i < polyA.vertexsList.Count; i++)
{
resultPolyVertsList.Add(polyA.vertexsList[i]);
}
for (int i = 0; i < polyB.vertexsList.Count; i++)
{
resultPolyVertsList.Add(polyB.vertexsList[i]);
}
return;
}
if (inoutA == 0 && inoutB == 1)
{
CreateInoutTypeVertesxToResult(polyA, polyB);
return;
}
if (inoutA == 1 && inoutB == 0)
{
CreateInoutTypeVertesxToResult(polyB, polyA);
return;
}
}
/// <summary>
/// 生成多边形之间的边相交交点信息
/// </summary>
void CreatePolysCrossPointInfo()
{
List <PolySide[]> sidesListA = polyA.sidesList;
List <PolySide[]> sidesListB = polyB.sidesList;
Vector3d crossPt;
int crossPtCount;
for (int i = 0; i < sidesListA.Count; i++)
{
PolySide[] sidesA = sidesListA[i];
for (int j = 0; j < sidesA.Length; j++)
{
for (int i2 = 0; i2 < sidesListB.Count; i2++)
{
PolySide[] sidesB = sidesListB[i2];
for (int j2 = 0; j2 < sidesB.Length; j2++)
{
crossPtCount = geoAlgor.SolvePolySideCrossPoint(sidesA[j], sidesB[j2], polyA.faceNormal, out crossPt);
if (crossPtCount == 0)
{
continue;
}
CrossPointInfo crossPtInfoA;
CrossPointInfo crossPtInfoB;
if (sidesA[j].crossPointInfoList == null)
{
sidesA[j].crossPointInfoList = new List <CrossPointInfo>();
}
if (sidesB[j2].crossPointInfoList == null)
{
sidesB[j2].crossPointInfoList = new List <CrossPointInfo>();
}
crossPtInfoA = new CrossPointInfo();
crossPtInfoA.selfSide = sidesA[j];
crossPtInfoA.crossSide = sidesB[j2];
crossPtInfoA.pt = crossPt;
crossPtInfoA.pointIdx = sidesA[j].crossPointInfoList.Count;
crossPtInfoA.crossSidePointIdx = sidesB[j2].crossPointInfoList.Count;
Vector3d v = crossPt - crossPtInfoA.selfSide.startpos;
crossPtInfoA.dist = geoAlgor.GetScale(v, crossPtInfoA.selfSide.dir);
sidesA[j].crossPointInfoList.Add(crossPtInfoA);
//
crossPtInfoB = new CrossPointInfo();
crossPtInfoB.selfSide = sidesB[j2];
crossPtInfoB.crossSide = sidesA[j];
crossPtInfoB.pt = crossPt;
crossPtInfoB.pointIdx = sidesB[j2].crossPointInfoList.Count;
crossPtInfoB.crossSidePointIdx = sidesA[j].crossPointInfoList.Count;
v = crossPt - crossPtInfoB.selfSide.startpos;
crossPtInfoB.dist = geoAlgor.GetScale(v, crossPtInfoB.selfSide.dir);
sidesB[j2].crossPointInfoList.Add(crossPtInfoB);
}
}
}
}
}
