- The Collada exporter did not take care of material transparency when nodes are turned off. - recent change to use ma->alpha_threshold seems to have been wrong. transparency is now taken from ma->a when nodes are turned off.
- The Collada exporter did not take care of material transparency when nodes are turned off. - recent change to use ma->alpha_threshold seems to have been wrong. transparency is now taken from ma->a when nodes are turned off.