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Questions about a network of connected vertices, edges and faces to describe the shape of a specific 3D object.

24 votes
Accepted

Why do T-junctions in meshes result in cracks?

lhf's answer is good from the perspective of tessellation, but these can occur with simpler triangle mesh use cases. …
Simon F's user avatar
  • 4,336
1 vote

Generating the end caps of a cylinder using triangle strips for use in a geometry shader

If the end of your cylinder is convex, with vertices $V_0, V_1, V_2,...V_{N-1}$ then just replace your fan order (i.e. as above) with this strip $V_0, V_1, V_{N-1}, V_2, V_{N-2}, V_3...$, i.e. just zi …
Simon F's user avatar
  • 4,336