diff options
Diffstat (limited to 'io_scene_obj/export_obj.py')
| -rw-r--r-- | io_scene_obj/export_obj.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/io_scene_obj/export_obj.py b/io_scene_obj/export_obj.py index dbd966a8..50cec836 100644 --- a/io_scene_obj/export_obj.py +++ b/io_scene_obj/export_obj.py @@ -88,7 +88,9 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict): # XXX TODO Find a way to handle tint and diffuse color, in a consistent way with import... fw('Ks %.6f %.6f %.6f\n' % (mat_wrap.specular, mat_wrap.specular, mat_wrap.specular)) # Specular # Emission, not in original MTL standard but seems pretty common, see T45766. - fw('Ke %.6f %.6f %.6f\n' % mat_wrap.emission_color[:3]) + emission_strength = mat_wrap.emission_strength + emission = [emission_strength * c for c in mat_wrap.emission_color[:3]] + fw('Ke %.6f %.6f %.6f\n' % tuple(emission)) fw('Ni %.6f\n' % mat_wrap.ior) # Refraction index fw('d %.6f\n' % mat_wrap.alpha) # Alpha (obj uses 'd' for dissolve) @@ -117,7 +119,7 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict): "map_Bump": "normalmap_texture", "disp": None, # displacement... "refl": "metallic_texture", - "map_Ke": "emission_color_texture", + "map_Ke": "emission_color_texture" if emission_strength != 0.0 else None, } for key, mat_wrap_key in sorted(image_map.items()): |