diff options
| author | Bastien Montagne <montagne29@wanadoo.fr> | 2019-05-15 22:17:08 +0300 |
|---|---|---|
| committer | Bastien Montagne <montagne29@wanadoo.fr> | 2019-05-15 22:19:51 +0300 |
| commit | 05baedacbfdb15b74a2c89a790e8b3f196ef1417 (patch) | |
| tree | ae677f7a7f4101e120d810bc0fe586771ebecd7c /io_scene_obj/export_obj.py | |
| parent | 44dd3564bb3517efa1aa290a74a7683b1a814457 (diff) | |
OBJ IO: Use Principled BSDF's Alpha new setting.
Much better than using Principled's Transmission setting as we did
before...
Part of T64609.
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... |