Would it be possible to "unflip" the triangle so we can collapse correctly?
supernova
Just to clarify, does it mean that if the dot product between pre-flip normal and after-flip normal of a face neighboring the edge is negative, then we don't collapse this edge?
Would it be possible to "unflip" the triangle so we can collapse correctly?
Just to clarify, does it mean that if the dot product between pre-flip normal and after-flip normal of a face neighboring the edge is negative, then we don't collapse this edge?