spin direction sign fix

This commit is contained in:
Adrian Mariano 2024-09-02 08:14:30 -04:00
parent ef610906b0
commit 289d6afb3e

View file

@ -3755,7 +3755,7 @@ function _find_anchor(anchor, geom) =
direction= unit(mean([for(face=edgefaces) polygon_normal(select(vnf[0],vnf[1][face]))])),
edgedir = edge[1]-edge[0],
nz = [for(i=[0:2]) if (!approx(edgedir[i],0)) i],
flip = last(nz) < 0 ? -1 : 1,
flip = edgedir[last(nz)] < 0 ? -1 : 1,
spin = _compute_spin(direction, flip*edgedir)
)
[direction,spin]