65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
/*******************************************************************************
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Copyright (c) 2005-2009 David Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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namespace PolyVox
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{
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template< typename VolumeType >
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float computeSmoothedVoxel(typename VolumeType::Sampler& volIter)
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{
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float sum = 0.0;
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if(volIter.peekVoxel1nx1ny1nz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1nx1ny0pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1nx1ny1pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1nx0py1nz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1nx0py0pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1nx0py1pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1nx1py1nz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1nx1py0pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1nx1py1pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel0px1ny1nz() != 0) sum += 1.0f;
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if(volIter.peekVoxel0px1ny0pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel0px1ny1pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel0px0py1nz() != 0) sum += 1.0f;
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if(volIter.getVoxel() != 0) sum += 1.0f;
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if(volIter.peekVoxel0px0py1pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel0px1py1nz() != 0) sum += 1.0f;
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if(volIter.peekVoxel0px1py0pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel0px1py1pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1px1ny1nz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1px1ny0pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1px1ny1pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1px0py1nz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1px0py0pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1px0py1pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1px1py1nz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1px1py0pz() != 0) sum += 1.0f;
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if(volIter.peekVoxel1px1py1pz() != 0) sum += 1.0f;
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sum /= 27.0f;
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return sum;
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}
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}
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