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-do not use calc_tangents if no UVs

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This commit is contained in:
Juan Linietsky
2014-10-14 23:38:10 -03:00
parent cd218b8c09
commit 6e87c80e41
1 changed files with 4 additions and 1 deletions
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5
tools/export/blender25/io_scene_dae/export_dae.py
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@@ -484,7 +484,10 @@ class DaeExporter:
mat_assign=[]
uv_layer_count=len(mesh.uv_textures)
mesh.calc_tangents()
if (len(mesh.uv_textures)):
mesh.calc_tangents()
else:
mesh.calc_normals_split()
for fi in range(len(mesh.polygons)):