Hi Everyone, I am working creating a 3d graphics engine and using the concepts behind sprite.Sprite and the graphics.py demo to create a 3d set of primitive objects (using pyglet 1.1.4 btw). Now to implement picking I want to be able to change the group the primitive belongs to. Based on sprite.Sprite, changing groups basically calls self._batch.migrate(self._vertex_list, GL_QUADS, self._group, self._batch). Note that self._vertexlist in sprite.Sprite is not an indexed list (see Sprite._create_vertex_list). When I try to do the same thing with an indexed vertexlist in my 3d engine I am getting some strange behavior. Looking at Batch.migrate in pyglet\graphics\__init__.py it seems that the batch._get_domain function is always called with False as the first argument, indicating that it's a regular vertexlist. Does this mean indexed vertexlists cannot be migrated? Has anyone tried to do something similar.
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