What is the best practice (compliant with the 3D pipeline) for saving content-dependent metadata, such as barycentre? I don't want to render the metadata, but I want to inform the users about it. I ...
The .obj files I export are missing data for vertex colors. Is there a way to include color information in the .obj file? If not, what are the alternatives?
I downloaded a 3d model of a car. By judging by the skins and images available model treats wheels and car body as separate nodes. I want to access its child nodes (wheels) to specify animation. But ...