diff options
Diffstat (limited to 'io_scene_obj/export_obj.py')
| -rw-r--r-- | io_scene_obj/export_obj.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/io_scene_obj/export_obj.py b/io_scene_obj/export_obj.py index 34a279f4..5e2121d6 100644 --- a/io_scene_obj/export_obj.py +++ b/io_scene_obj/export_obj.py @@ -74,7 +74,7 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict): if mat_wrap: use_mirror = mat_wrap.metallic != 0.0 - use_transparency = mat_wrap.transmission != 0.0 + use_transparency = mat_wrap.alpha != 1.0 # XXX Totally empirical conversion, trying to adapt it # (from 1.0 - 0.0 Principled BSDF range to 0.0 - 900.0 OBJ specular exponent range)... @@ -94,7 +94,7 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict): # XXX Not supported by current Principled-based shader. fw('Ke 0.0 0.0 0.0\n') fw('Ni %.6f\n' % mat_wrap.ior) # Refraction index - fw('d %.6f\n' % (1.0 - mat_wrap.transmission)) # Alpha (obj uses 'd' for dissolve) + fw('d %.6f\n' % mat_wrap.alpha) # Alpha (obj uses 'd' for dissolve) # See http://en.wikipedia.org/wiki/Wavefront_.obj_file for whole list of values... # Note that mapping is rather fuzzy sometimes, trying to do our best here. @@ -116,7 +116,7 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict): "map_Ka": None, # ambient... "map_Ks": "specular_texture", "map_Ns": "roughness_texture", - "map_d": "transmission_texture", + "map_d": "alpha_texture", "map_Tr": None, # transmission roughness? "map_Bump": "normalmap_texture", "disp": None, # displacement... |