Adjusted vertices of subtractive brushes cause surfaces to disappear
I'm having a weird issue where I'll be creating hallways/rooms/etc through extruding surfaces on a subtractive brush from within a much bigger additive box. I'll leave that subtractive brush alone, go and make some more additive/subtractive brushes elsewhere that don't intersect with this original piece, come back and find that some of the extruded surfaces have stopped subtracting completely, or rather the resulting surfaces are not showing.
After doing some more digging, it seems to be related to moving vertices. An old position of the vertices where they previously overlapped seem to leave behind a void of broken subtracting. Building geometry does not help.
For this subtractive brush, the two left rear vertices used to be in the position indicated now by the gap. Both brushes are subtractive. Here's the 2nd subtractive brush next to it which doesn't seem to help any.
Any idea what's going on and how I can fix this? This is doing a swift job of breaking all my attempts at creating maps. Creating more complex brushes through extruding surfaces is now completely out of the question because of the certainty of this issue. At least when things break on one simple box brush, I can recreate it. But not so much for a brush with many surfaces.
The pictures you posted did the trick! I have attached this as well as my findings to a bug report so that it can be assessed. Thank you and have a great day!
answered Apr 07 '14 at 02:40 PM
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