Fix a NaN that can occur in the vector math node when set to refract mode with a 'normal' input of length zero. Pull Request: https://projects.blender.org/blender/blender/pulls/125374
Fix a NaN that can occur in the vector math node when set to refract mode with a 'normal' input of length zero. Pull Request: https://projects.blender.org/blender/blender/pulls/125374