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CSG bugs #295

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LogicalError opened this issue Oct 12, 2020 · 3 comments
Open

CSG bugs #295

LogicalError opened this issue Oct 12, 2020 · 3 comments
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Sash Mortise

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There are several CSG bugs, most of them seem to have to do with merging vertices
@LogicalError LogicalError added the bug Something isn't working label Oct 12, 2020
@LogicalError LogicalError added this to the Sash Mortise milestone Oct 12, 2020
@LogicalError LogicalError self-assigned this Oct 12, 2020
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Some bugs have been fixed in #297

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Seems the last bug is vertices being merged when they shouldn't. This is because vertices are merged based on distance, when it should be based on comparing intersecting plane triplets on multiple vertices.

Right now this distance merging fails on sharply angled planes where vertices that are very close to each other get merged and create polygons which causes degenerate edges on polygons

A B C
---->--->*
| <---
/B C

A,B,C are vertices, and thee edge BC is followed by CB
This causes problems further on in the pipeline.

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Apparently github kills ascii art. awesome

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