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Initial version of new experimental marching cubes algorithm. Currently about half as fast.

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This commit is contained in:
David Williams
2008-06-03 19:14:27 +00:00
parent 72a4e9902c
commit e49859fc40
5 changed files with 454 additions and 12 deletions
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12
source/VolumeChangeTracker.cpp
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@@ -65,22 +65,22 @@ namespace PolyVox
//Regenerate meshes.
for(uint16_t regionZ = 0; regionZ < POLYVOX_VOLUME_SIDE_LENGTH_IN_REGIONS; ++regionZ)
//for(uint16_t regionZ = 6; regionZ < 7; ++regionZ)
//for(uint16_t regionZ = 0; regionZ < 1; ++regionZ)
{
for(uint16_t regionY = 0; regionY < POLYVOX_VOLUME_SIDE_LENGTH_IN_REGIONS; ++regionY)
//for(uint16_t regionY = 6; regionY < 7; ++regionY)
//for(uint16_t regionY = 0; regionY < 2; ++regionY)
{
for(uint16_t regionX = 0; regionX < POLYVOX_VOLUME_SIDE_LENGTH_IN_REGIONS; ++regionX)
//for(uint16_t regionX = 3; regionX < 4; ++regionX)
//for(uint16_t regionX = 0; regionX < 2; ++regionX)
{
if(volRegionUpToDate->getVoxelAt(regionX, regionY, regionZ) == false)
{
const uint16_t firstX = regionX * POLYVOX_REGION_SIDE_LENGTH;
const uint16_t firstY = regionY * POLYVOX_REGION_SIDE_LENGTH;
const uint16_t firstZ = regionZ * POLYVOX_REGION_SIDE_LENGTH;
const uint16_t lastX = firstX + POLYVOX_REGION_SIDE_LENGTH-1;
const uint16_t lastY = firstY + POLYVOX_REGION_SIDE_LENGTH-1;
const uint16_t lastZ = firstZ + POLYVOX_REGION_SIDE_LENGTH-1;
const uint16_t lastX = firstX + POLYVOX_REGION_SIDE_LENGTH;
const uint16_t lastY = firstY + POLYVOX_REGION_SIDE_LENGTH;
const uint16_t lastZ = firstZ + POLYVOX_REGION_SIDE_LENGTH;
listToFill.push_back(Region(Vector3DInt32(firstX, firstY, firstZ), Vector3DInt32(lastX, lastY, lastZ)));
}