From 0c8013317e070bc7e134dd50d6e0984d7ef4b616 Mon Sep 17 00:00:00 2001 From: David Williams Date: Sun, 28 Jul 2013 16:43:43 +0200 Subject: [PATCH] Added asserts to catch corrupt data probably resulting from multithreading. --- .../include/PolyVoxCore/MarchingCubesSurfaceExtractor.inl | 3 +++ 1 file changed, 3 insertions(+) diff --git a/library/PolyVoxCore/include/PolyVoxCore/MarchingCubesSurfaceExtractor.inl b/library/PolyVoxCore/include/PolyVoxCore/MarchingCubesSurfaceExtractor.inl index 44ad5cbe..1702049f 100644 --- a/library/PolyVoxCore/include/PolyVoxCore/MarchingCubesSurfaceExtractor.inl +++ b/library/PolyVoxCore/include/PolyVoxCore/MarchingCubesSurfaceExtractor.inl @@ -433,6 +433,7 @@ namespace PolyVox { m_sampVolume.movePositiveX(); const typename VolumeType::VoxelType v100 = m_sampVolume.getVoxel(); + POLYVOX_ASSERT(v000 != v100, "Attempting to insert vertex between two voxels with the same value"); const Vector3DFloat n100 = computeCentralDifferenceGradient(m_sampVolume); const float fInterp = static_cast(m_tThreshold - m_controller.convertToDensity(v000)) / static_cast(m_controller.convertToDensity(v100) - m_controller.convertToDensity(v000)); @@ -466,6 +467,7 @@ namespace PolyVox { m_sampVolume.movePositiveY(); const typename VolumeType::VoxelType v010 = m_sampVolume.getVoxel(); + POLYVOX_ASSERT(v000 != v010, "Attempting to insert vertex between two voxels with the same value"); const Vector3DFloat n010 = computeCentralDifferenceGradient(m_sampVolume); const float fInterp = static_cast(m_tThreshold - m_controller.convertToDensity(v000)) / static_cast(m_controller.convertToDensity(v010) - m_controller.convertToDensity(v000)); @@ -499,6 +501,7 @@ namespace PolyVox { m_sampVolume.movePositiveZ(); const typename VolumeType::VoxelType v001 = m_sampVolume.getVoxel(); + POLYVOX_ASSERT(v000 != v001, "Attempting to insert vertex between two voxels with the same value"); const Vector3DFloat n001 = computeCentralDifferenceGradient(m_sampVolume); const float fInterp = static_cast(m_tThreshold - m_controller.convertToDensity(v000)) / static_cast(m_controller.convertToDensity(v001) - m_controller.convertToDensity(v000));