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Adjusting example to use non-cubic volume...

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This commit is contained in:
David Williams
2009-04-20 19:43:40 +00:00
parent 0b847eb271
commit 2b5b076b98
2 changed files with 11 additions and 0 deletions
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6
examples/OpenGL/OpenGLWidget.cpp
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@@ -32,6 +32,10 @@ void OpenGLWidget::setVolume(PolyVox::Volume<PolyVox::uint8_t>* volData)
//If we have any volume data then generate the new surface patches. //If we have any volume data then generate the new surface patches.
if(m_volData != 0) if(m_volData != 0)
{ {
m_uVolumeWidthInRegions = volData->getWidth() / m_uRegionSideLength;
m_uVolumeHeightInRegions = volData->getHeight() / m_uRegionSideLength;
m_uVolumeDepthInRegions = volData->getDepth() / m_uRegionSideLength;
//Our volume is broken down into cuboid regions, and we create one mesh for each region. //Our volume is broken down into cuboid regions, and we create one mesh for each region.
//This three-level for loop iterates over each region. //This three-level for loop iterates over each region.
for(PolyVox::uint16_t uRegionZ = 0; uRegionZ < g_uVolumeSideLengthInRegions; ++uRegionZ) for(PolyVox::uint16_t uRegionZ = 0; uRegionZ < g_uVolumeSideLengthInRegions; ++uRegionZ)
@@ -81,6 +85,8 @@ void OpenGLWidget::setVolume(PolyVox::Volume<PolyVox::uint8_t>* volData)
} }
} }
} }
m_distance = m_volData->getLongestSideLength() / -2.0f;
} }
} }

5
examples/OpenGL/OpenGLWidget.h
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@@ -54,6 +54,11 @@ class OpenGLWidget : public QGLWidget
//Rather than storing one big mesh, the volume is broken into regions and a mesh is stored for each region //Rather than storing one big mesh, the volume is broken into regions and a mesh is stored for each region
std::map<PolyVox::Vector3DUint8, OpenGLSurfacePatch> m_mapOpenGLSurfacePatches; std::map<PolyVox::Vector3DUint8, OpenGLSurfacePatch> m_mapOpenGLSurfacePatches;
std::map<PolyVox::Vector3DUint8, PolyVox::IndexedSurfacePatch*> m_mapIndexedSurfacePatches; std::map<PolyVox::Vector3DUint8, PolyVox::IndexedSurfacePatch*> m_mapIndexedSurfacePatches;
unsigned int m_uRegionSideLength;
unsigned int m_uVolumeWidthInRegions;
unsigned int m_uVolumeHeightInRegions;
unsigned int m_uVolumeDepthInRegions;
}; };
#endif //__PolyVox_OpenGLWidget_H__ #endif //__PolyVox_OpenGLWidget_H__