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Fixed getSubSampledVoxel to get minimum of values, not max. This hides cracks between LOD levels.

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Changed region side length from 16 to 32. This reduces number of regions and hence batch count.
This commit is contained in:
David Williams
2009-03-08 00:03:35 +00:00
parent 2ae98647f6
commit 34c41cd32e
2 changed files with 12 additions and 10 deletions
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20
library/include/PolyVoxCore/BlockVolumeIterator.inl
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@ -24,6 +24,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#include "BlockVolume.h"
#include "Vector.h"
#include "Region.h"
#include <limits>
#pragma endregion
namespace PolyVox
@ -133,27 +135,27 @@ namespace PolyVox
else if(uLevel == 1)
{
VoxelType tValue = getVoxel();
tValue = (std::max)(tValue, peekVoxel1px0py0pz());
tValue = (std::max)(tValue, peekVoxel0px1py0pz());
tValue = (std::max)(tValue, peekVoxel1px1py0pz());
tValue = (std::max)(tValue, peekVoxel0px0py1pz());
tValue = (std::max)(tValue, peekVoxel1px0py1pz());
tValue = (std::max)(tValue, peekVoxel0px1py1pz());
tValue = (std::max)(tValue, peekVoxel1px1py1pz());
tValue = (std::min)(tValue, peekVoxel1px0py0pz());
tValue = (std::min)(tValue, peekVoxel0px1py0pz());
tValue = (std::min)(tValue, peekVoxel1px1py0pz());
tValue = (std::min)(tValue, peekVoxel0px0py1pz());
tValue = (std::min)(tValue, peekVoxel1px0py1pz());
tValue = (std::min)(tValue, peekVoxel0px1py1pz());
tValue = (std::min)(tValue, peekVoxel1px1py1pz());
return tValue;
}
else
{
const uint8 uSize = 1 << uLevel;
VoxelType tValue = 0;
VoxelType tValue = std::numeric_limits<VoxelType>::max();
for(uint8 z = 0; z < uSize; ++z)
{
for(uint8 y = 0; y < uSize; ++y)
{
for(uint8 x = 0; x < uSize; ++x)
{
tValue = (std::max)(tValue, mVolume.getVoxelAt(mXPosInVolume + x, mYPosInVolume + y, mZPosInVolume + z));
tValue = (std::min)(tValue, mVolume.getVoxelAt(mXPosInVolume + x, mYPosInVolume + y, mZPosInVolume + z));
}
}
}