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David Williams 2014-08-14 16:34:29 +02:00
parent 93fdd36f8f
commit aa4591d206
1 changed files with 6 additions and 2 deletions
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library/PolyVoxCore/include/PolyVoxCore/MarchingCubesSurfaceExtractor.h
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@ -326,15 +326,19 @@ namespace PolyVox
// 3. The user could provide a custom mesh class, e.g a thin wrapper around an openGL VBO to allow direct writing into this structure. // 3. The user could provide a custom mesh class, e.g a thin wrapper around an openGL VBO to allow direct writing into this structure.
// //
// We don't provide a default MeshType here. If the user doesn't want to provide a MeshType then it probably makes // We don't provide a default MeshType here. If the user doesn't want to provide a MeshType then it probably makes
// more sense to use the other variaent of this function where the mesh is a return value rather than a parameter. // more sense to use the other variant of this function where the mesh is a return value rather than a parameter.
//
// Note: This function is called 'extractMarchingCubesCustomMesh' rather than 'extractMarchingCubesMesh' to avoid ambiguity when only three parameters
// are provided (would the third parameter be a controller or a mesh?). It seems this can be fixed by using enable_if/static_assert to emulate concepts,
// but this is relatively complex and I haven't done it yet. Could always add it later as another overload.
template< typename VolumeType, typename MeshType, typename Controller = DefaultMarchingCubesController<typename VolumeType::VoxelType> > template< typename VolumeType, typename MeshType, typename Controller = DefaultMarchingCubesController<typename VolumeType::VoxelType> >
void extractMarchingCubesCustomMesh(VolumeType* volData, Region region, MeshType* result, Controller controller = Controller(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType()) void extractMarchingCubesCustomMesh(VolumeType* volData, Region region, MeshType* result, Controller controller = Controller(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType())
{ {
result->getNoOfVertices();
MarchingCubesSurfaceExtractor<VolumeType, MeshType, Controller> extractor(volData, region, result, controller, eWrapMode, tBorderValue); MarchingCubesSurfaceExtractor<VolumeType, MeshType, Controller> extractor(volData, region, result, controller, eWrapMode, tBorderValue);
extractor.execute(); extractor.execute();
} }
// This version of the function is easier to use - it automatically creates and returns a mesh of the appropriate type so the user doesn't have to worry about it.
template< typename VolumeType, typename Controller = DefaultMarchingCubesController<typename VolumeType::VoxelType> > template< typename VolumeType, typename Controller = DefaultMarchingCubesController<typename VolumeType::VoxelType> >
Mesh<MarchingCubesVertex<typename VolumeType::VoxelType> > extractMarchingCubesMesh(VolumeType* volData, Region region, Controller controller = Controller(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType()) Mesh<MarchingCubesVertex<typename VolumeType::VoxelType> > extractMarchingCubesMesh(VolumeType* volData, Region region, Controller controller = Controller(), WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType())
{ {