So I've got an animation with weighting. There are 3 bones controlling mesh transform of most objects (fake perspective)
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In some of the objects most (often all) of vertices have to have identical weighting settings. the problem is, when I select 3 vertices and try to increase weight of bone2, this happens:
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As you see, one verticle still uses only blue bone, one (as expected) uses blue bone + bone2, which I just tried to do, and one for some reason changed all blue bone weight to red bone3...
When I drag the weight bar again, another bone starts using bone3, weird things happen... I have to separately set weighting to each verticle.