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Fix T48986: Incorrect normals or tangents when using custom split normals.

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(Re)-setting custom normals could cause some unwanted splitting of some of them, leading
to slightly different tangent space. Simply enlarged slightly the threshold detecting
similar normals as identical ones for now, afarid this is the kind of issue that cannot
get a full complete solution for until we drop floats...
This commit is contained in:
Bastien Montagne 2016-08-02 16:05:20 +02:00
parent 08ebd72851
commit 2f5db2e45b
1 changed files with 1 additions and 1 deletions
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source/blender/blenkernel/intern/mesh_evaluate.c
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@ -434,7 +434,7 @@ MLoopNorSpace *BKE_lnor_space_create(MLoopNorSpaceArray *lnors_spacearr)
}
/* This threshold is a bit touchy (usual float precision issue), this value seems OK. */
#define LNOR_SPACE_TRIGO_THRESHOLD (1.0f - 1e-6f)
#define LNOR_SPACE_TRIGO_THRESHOLD (1.0f - 1e-4f)
/* Should only be called once.
* Beware, this modifies ref_vec and other_vec in place!