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

Initial version of mesh decimation.

Browse Source
This commit is contained in:
David Williams
2008-06-10 21:45:38 +00:00
parent f8a090abba
commit 33cb721cc0
7 changed files with 324 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
PolyVoxCore/include/GradientEstimators.inl
View File

@ -42,6 +42,31 @@ namespace PolyVox
);
}
template <typename VoxelType>
Vector3DFloat computeDecimatedCentralDifferenceGradient(const BlockVolumeIterator<VoxelType>& volIter)
{
const uint16_t x = volIter.getPosX();
const uint16_t y = volIter.getPosY();
const uint16_t z = volIter.getPosZ();
//FIXME - bitwise way of doing this?
VoxelType voxel1nx = volIter.getVoxelAt(x-2, y ,z ) > 0 ? 1: 0;
VoxelType voxel1px = volIter.getVoxelAt(x-2, y ,z ) > 0 ? 1: 0;
VoxelType voxel1ny = volIter.getVoxelAt(x , y-2,z ) > 0 ? 1: 0;
VoxelType voxel1py = volIter.getVoxelAt(x , y-2,z ) > 0 ? 1: 0;
VoxelType voxel1nz = volIter.getVoxelAt(x , y ,z-2) > 0 ? 1: 0;
VoxelType voxel1pz = volIter.getVoxelAt(x , y ,z-2) > 0 ? 1: 0;
return Vector3DFloat
(
static_cast<float>(voxel1px) - static_cast<float>(voxel1nx),
static_cast<float>(voxel1py) - static_cast<float>(voxel1ny),
static_cast<float>(voxel1pz) - static_cast<float>(voxel1nz)
);
}
template <typename VoxelType>
Vector3DFloat computeSmoothCentralDifferenceGradient(BlockVolumeIterator<VoxelType>& volIter)
{