- no need to copy the UV vectors, just point to them. - calculate the midpoint once and copy rather then mid_v2_v2v2() on each UV. - reduce the number of comparisons by only checking the remaining uv's in the nested loop.
- no need to copy the UV vectors, just point to them. - calculate the midpoint once and copy rather then mid_v2_v2v2() on each UV. - reduce the number of comparisons by only checking the remaining uv's in the nested loop.