| public static AddWinding ( LibTessDotNet.MeshUtils.Edge eDst, LibTessDotNet.MeshUtils.Edge eSrc ) : void | ||
| eDst | LibTessDotNet.MeshUtils.Edge | |
| eSrc | LibTessDotNet.MeshUtils.Edge | |
| return | void | |
private void RemoveDegenerateFaces()
{
MeshUtils.Face next;
for (MeshUtils.Face face = _mesh._fHead._next; face != _mesh._fHead; face = next)
{
next = face._next;
MeshUtils.Edge anEdge = face._anEdge;
if (anEdge._Lnext._Lnext == anEdge)
{
Geom.AddWinding(anEdge._Onext, anEdge);
_mesh.Delete(anEdge);
}
}
}
private void AddRightEdges(ActiveRegion regUp, MeshUtils.Edge eFirst, MeshUtils.Edge eLast, MeshUtils.Edge eTopLeft, bool cleanUp)
{
bool flag = true;
MeshUtils.Edge edge = eFirst;
do
{
AddRegionBelow(regUp, edge._Sym);
edge = edge._Onext;
}while (edge != eLast);
if (eTopLeft == null)
{
eTopLeft = RegionBelow(regUp)._eUp._Rprev;
}
ActiveRegion activeRegion = regUp;
MeshUtils.Edge edge2 = eTopLeft;
while (true)
{
ActiveRegion activeRegion2 = RegionBelow(activeRegion);
edge = activeRegion2._eUp._Sym;
if (edge._Org != edge2._Org)
{
break;
}
if (edge._Onext != edge2)
{
_mesh.Splice(edge._Oprev, edge);
_mesh.Splice(edge2._Oprev, edge);
}
activeRegion2._windingNumber = activeRegion._windingNumber - edge._winding;
activeRegion2._inside = Geom.IsWindingInside(_windingRule, activeRegion2._windingNumber);
activeRegion._dirty = true;
if (!flag && CheckForRightSplice(activeRegion))
{
Geom.AddWinding(edge, edge2);
DeleteRegion(activeRegion);
_mesh.Delete(edge2);
}
flag = false;
activeRegion = activeRegion2;
edge2 = edge;
}
activeRegion._dirty = true;
if (cleanUp)
{
WalkDirtyRegions(activeRegion);
}
}
private void WalkDirtyRegions(ActiveRegion regUp)
{
ActiveRegion activeRegion = RegionBelow(regUp);
while (true)
{
if (activeRegion._dirty)
{
regUp = activeRegion;
activeRegion = RegionBelow(activeRegion);
}
else
{
if (!regUp._dirty)
{
activeRegion = regUp;
regUp = RegionAbove(regUp);
if (regUp == null || !regUp._dirty)
{
break;
}
}
regUp._dirty = false;
MeshUtils.Edge eUp = regUp._eUp;
MeshUtils.Edge eUp2 = activeRegion._eUp;
if (eUp._Dst != eUp2._Dst && CheckForLeftSplice(regUp))
{
if (activeRegion._fixUpperEdge)
{
DeleteRegion(activeRegion);
_mesh.Delete(eUp2);
activeRegion = RegionBelow(regUp);
eUp2 = activeRegion._eUp;
}
else if (regUp._fixUpperEdge)
{
DeleteRegion(regUp);
_mesh.Delete(eUp);
regUp = RegionAbove(activeRegion);
eUp = regUp._eUp;
}
}
if (eUp._Org != eUp2._Org)
{
if (eUp._Dst != eUp2._Dst && !regUp._fixUpperEdge && !activeRegion._fixUpperEdge && (eUp._Dst == _event || eUp2._Dst == _event))
{
if (CheckForIntersect(regUp))
{
break;
}
}
else
{
CheckForRightSplice(regUp);
}
}
if (eUp._Org == eUp2._Org && eUp._Dst == eUp2._Dst)
{
Geom.AddWinding(eUp2, eUp);
DeleteRegion(regUp);
_mesh.Delete(eUp);
regUp = RegionAbove(activeRegion);
}
}
}
}
