New answers tagged 3d-meshes
Well, i'd probably start by taking a look at the blender unwrapping code, since blender is some open souce flavor; it appears to start here: https://developer.blender.org/diffusion/B/browse/master/source/blender/editors/uvedit/uvedit_unwrap_ops.c I know the have a "pack lightmaps" command in their uv unwrap menu, but I wasn't able to locate it in unknown ...
you need to press the figure mode in order to adjust the biped bones. Its the only way to scale the bones of the biped. After that if you want to animate or make poses of the biped you must be off the figure mode.
It depends, if you want to build a city you can either do so procedurally (which also allows endless regeneration) or you can do so manually. But even if you do so manually you will likely want to duplicate a lot of things, for example you probably don't want to model each lamppost individually but instead keep one model for all of them. You can do the same ...
Perhaps you can make a prefab after you have finished with the editing? I mean, bring it all into a blank map, edit as wished, and then make a prefab of that and access it from another project..
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