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| author | Anthony LaTorre <tlatorre9@gmail.com> | 2011-06-19 18:29:27 -0400 |
|---|---|---|
| committer | Anthony LaTorre <tlatorre9@gmail.com> | 2011-06-19 18:29:27 -0400 |
| commit | a149f96a766c4d8d63919535cc468c539036165e (patch) | |
| tree | fa6eece7b811e098e58fc4aa53d97a8c3dc1885e /src | |
| parent | ad56515169bab5f069344e960d9582412c3672f4 (diff) | |
| download | chroma-a149f96a766c4d8d63919535cc468c539036165e.tar.gz chroma-a149f96a766c4d8d63919535cc468c539036165e.tar.bz2 chroma-a149f96a766c4d8d63919535cc468c539036165e.zip | |
reverse the face orientation on all triangles in the stl files exported from sketchup.
Diffstat (limited to 'src')
| -rw-r--r-- | src/intersect.h | 2 | ||||
| -rw-r--r-- | src/kernel.cu | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/intersect.h b/src/intersect.h index bfde782..0b713c8 100644 --- a/src/intersect.h +++ b/src/intersect.h @@ -60,7 +60,7 @@ __device__ bool intersect_triangle(const float3 &origin, const float3 &direction `direction` must be normalized. */ __device__ int get_color(const float3 &direction, const float3 &v0, const float3& v1, const float3 &v2, const int base_color=0xFFFFFFFF) { - float scale = dot(normalize(cross(v1-v0,v2-v0)),-direction); + float scale = dot(normalize(cross(v1-v0,v2-v1)),-direction); unsigned int r = 0xFF & (base_color >> 16); unsigned int g = 0xFF & (base_color >> 8); diff --git a/src/kernel.cu b/src/kernel.cu index b7dadfa..6c3ef1b 100644 --- a/src/kernel.cu +++ b/src/kernel.cu @@ -267,7 +267,7 @@ __global__ void propagate(int nthreads, float3 *positions, float3 *directions, f int material_out_index = tex1Dfetch(material2_lookup, last_hit_triangle); int surface_index = tex1Dfetch(surface_lookup, last_hit_triangle); - float3 surface_normal = cross(v1-v0,v2-v0); + float3 surface_normal = cross(v1-v0,v2-v1); surface_normal /= norm(surface_normal); Material material1, material2; |