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Trial fix for knife cut intermediate point snapping: snap intermediate points (for edge intersections between clicks in knife tool) to midpoints or endpoints, depending on which is closest

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This commit is contained in:
Andrew Wiggin
2011-10-20 13:41:52 +00:00
parent 9acb183945
commit 7d4d44bb1f
1 changed files with 15 additions and 2 deletions
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17
source/blender/editors/mesh/knifetool.c
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@@ -858,8 +858,21 @@ static BMEdgeHit *knife_edge_tri_isect(knifetool_opdata *kcd, BMBVHTree *bmtree,
copy_v3_v3(hit.realhit, p);
if (kcd->snap_midpoints) {
interp_v3_v3v3(hit.hit, kfe->v1->co, kfe->v2->co, 0.5f);
interp_v3_v3v3(hit.cagehit, kfe->v1->cageco, kfe->v2->cageco, 0.5f);
float perc = hit.perc;
/* select the closest from the edge endpoints or the midpoint */
if (perc < 0.25f) {
perc = 0.0f;
}
else if (perc < 0.75f) {
perc = 0.5f;
}
else {
perc = 1.0f;
}
interp_v3_v3v3(hit.hit, kfe->v1->co, kfe->v2->co, perc);
interp_v3_v3v3(hit.cagehit, kfe->v1->cageco, kfe->v2->cageco, perc);
} else {
copy_v3_v3(hit.hit, p);
}