AnotherFoxGuy/polyvox
1
0
Fork 0
Code Issues Pull Requests Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

20
library/include/PolyVoxCore/BlockVolumeIterator.inl
View File

@ -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));
}
}
}

2
library/include/PolyVoxCore/Constants.h
View File

@ -37,7 +37,7 @@ namespace PolyVox
//const uint32 POLYVOX_NO_OF_BLOCKS_IN_VOLUME = (POLYVOX_VOLUME_SIDE_LENGTH_IN_BLOCKS * POLYVOX_VOLUME_SIDE_LENGTH_IN_BLOCKS * POLYVOX_VOLUME_SIDE_LENGTH_IN_BLOCKS);
//const uint32 POLYVOX_NO_OF_VOXELS_IN_VOLUME = (POLYVOX_VOLUME_SIDE_LENGTH * POLYVOX_VOLUME_SIDE_LENGTH * POLYVOX_VOLUME_SIDE_LENGTH);
const uint16 POLYVOX_REGION_SIDE_LENGTH_POWER = 4;
const uint16 POLYVOX_REGION_SIDE_LENGTH_POWER = 5;
const uint16 POLYVOX_REGION_SIDE_LENGTH = (0x0001 << POLYVOX_REGION_SIDE_LENGTH_POWER);
const uint16 POLYVOX_VOLUME_SIDE_LENGTH_IN_REGIONS = (POLYVOX_VOLUME_SIDE_LENGTH >> POLYVOX_REGION_SIDE_LENGTH_POWER);
}