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Fixed bug with SimpleVolume and negative positions.

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This commit is contained in:
David Williams
2012-12-05 23:49:39 +01:00
parent 4ed8d4303b
commit 3f87fc780f
2 changed files with 12 additions and 11 deletions
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14
library/PolyVoxCore/include/PolyVoxCore/SimpleVolume.inl
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@ -174,17 +174,19 @@ namespace PolyVox
throw std::invalid_argument("Block side length must be a power of two.");
}
m_uBlockSideLength = uBlockSideLength;
m_uNoOfVoxelsPerBlock = m_uBlockSideLength * m_uBlockSideLength * m_uBlockSideLength;
this->m_regValidRegion = regValidRegion;
m_regValidRegionInBlocks.setLowerCorner(this->m_regValidRegion.getLowerCorner() / static_cast<int32_t>(uBlockSideLength));
m_regValidRegionInBlocks.setUpperCorner(this->m_regValidRegion.getUpperCorner() / static_cast<int32_t>(uBlockSideLength));
//Compute the block side length
m_uBlockSideLength = uBlockSideLength;
m_uBlockSideLengthPower = logBase2(m_uBlockSideLength);
m_uNoOfVoxelsPerBlock = m_uBlockSideLength * m_uBlockSideLength * m_uBlockSideLength;
m_regValidRegionInBlocks.setLowerX(this->m_regValidRegion.getLowerX() >> m_uBlockSideLengthPower);
m_regValidRegionInBlocks.setLowerY(this->m_regValidRegion.getLowerY() >> m_uBlockSideLengthPower);
m_regValidRegionInBlocks.setLowerZ(this->m_regValidRegion.getLowerZ() >> m_uBlockSideLengthPower);
m_regValidRegionInBlocks.setUpperX(this->m_regValidRegion.getUpperX() >> m_uBlockSideLengthPower);
m_regValidRegionInBlocks.setUpperY(this->m_regValidRegion.getUpperY() >> m_uBlockSideLengthPower);
m_regValidRegionInBlocks.setUpperZ(this->m_regValidRegion.getUpperZ() >> m_uBlockSideLengthPower);
//Compute the size of the volume in blocks (and note +1 at the end)
m_uWidthInBlocks = m_regValidRegionInBlocks.getUpperCorner().getX() - m_regValidRegionInBlocks.getLowerCorner().getX() + 1;