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| author | Campbell Barton <ideasman42@gmail.com> | 2014-10-08 11:42:34 +0400 |
|---|---|---|
| committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2014-10-15 15:06:10 +0400 |
| commit | 11bbe69b2af06b388e18999076245454cd1192fd (patch) | |
| tree | 6a9b810e2e5da079c9a50cd14006fcdbd66d7404 | |
| parent | c2ef758cbeefc250c04ffa309d2bbfae0d4168dd (diff) | |
Fix Python ray-cast failing to check hit direction
| -rw-r--r-- | source/blender/python/mathutils/mathutils_geometry.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source/blender/python/mathutils/mathutils_geometry.c b/source/blender/python/mathutils/mathutils_geometry.c index b4add0fc615..0f0ffe9fec5 100644 --- a/source/blender/python/mathutils/mathutils_geometry.c +++ b/source/blender/python/mathutils/mathutils_geometry.c @@ -149,6 +149,11 @@ static PyObject *M_Geometry_intersect_ray_tri(PyObject *UNUSED(self), PyObject * /* calculate t, ray intersects triangle */ t = dot_v3v3(e2, qvec) * inv_det; + /* ray hit behind */ + if (t < 0.0f) { + Py_RETURN_NONE; + } + mul_v3_fl(dir, t); add_v3_v3v3(pvec, orig, dir); |