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Fix for broken moveNegative...() sampler functions.

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Fixed bug in surface extractor causing divide by zero and/or infinite vertices.
This commit is contained in:
David Williams
2010-09-12 21:10:15 +00:00
parent c395fc88a9
commit cc1aa8a514
2 changed files with 12 additions and 6 deletions
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6
library/PolyVoxCore/include/SurfaceExtractor.inl
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@ -467,6 +467,8 @@ namespace PolyVox
surfaceVertex.setOnGeometryEdgePosZ(isPosZEdge);
uint32_t uLastVertexIndex = m_meshCurrent->addVertex(surfaceVertex);
m_pCurrentVertexIndicesX[uXVolSpace - m_regSizeInVoxels.getLowerCorner().getX()][uYVolSpace - m_regSizeInVoxels.getLowerCorner().getY()] = uLastVertexIndex;
m_sampVolume.moveNegativeX();
}
if (edgeTable[iCubeIndex] & 8)
{
@ -495,6 +497,8 @@ namespace PolyVox
surfaceVertex.setOnGeometryEdgePosZ(isPosZEdge);
uint32_t uLastVertexIndex = m_meshCurrent->addVertex(surfaceVertex);
m_pCurrentVertexIndicesY[uXVolSpace - m_regSizeInVoxels.getLowerCorner().getX()][uYVolSpace - m_regSizeInVoxels.getLowerCorner().getY()] = uLastVertexIndex;
m_sampVolume.moveNegativeY();
}
if (edgeTable[iCubeIndex] & 256)
{
@ -523,6 +527,8 @@ namespace PolyVox
surfaceVertex.setOnGeometryEdgePosZ(isPosZEdge);
uint32_t uLastVertexIndex = m_meshCurrent->addVertex(surfaceVertex);
m_pCurrentVertexIndicesZ[uXVolSpace - m_regSizeInVoxels.getLowerCorner().getX()][uYVolSpace - m_regSizeInVoxels.getLowerCorner().getY()] = uLastVertexIndex;
m_sampVolume.moveNegativeZ();
}
}//For each cell
}