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Fix T48996, bevel bad for certain in-plane edges.

This commit is contained in:
Howard Trickey 2017-05-28 14:02:56 -04:00
parent b947810291
commit 9ba7805a3b
Notes: blender-bot 2023-02-14 07:43:13 +01:00 
Referenced by issue #48996, 2.77.1 Bevel modifier regression
1 changed files with 15 additions and 7 deletions
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22
source/blender/bmesh/tools/bmesh_bevel.c
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@ -1130,17 +1130,25 @@ static void set_profile_params(BevelParams *bp, BevVert *bv, BoundVert *bndv)
sub_v3_v3v3(d4, e->next->e->v1->co, e->next->e->v2->co);
normalize_v3(d3);
normalize_v3(d4);
add_v3_v3v3(co3, co1, d3);
add_v3_v3v3(co4, co2, d4);
isect_kind = isect_line_line_v3(co1, co3, co2, co4, meetco, isect2);
if (isect_kind != 0) {
copy_v3_v3(pro->midco, meetco);
}
else {
l = dot_v3v3(d3, d4);
if (fabsf(1.0f - l) <= BEVEL_EPSILON_BIG || fabsf(-1.0f - l) <= BEVEL_EPSILON_BIG) {
/* offset lines are collinear - want linear interpolation */
mid_v3_v3v3(pro->midco, co1, co2);
do_linear_interp = true;
}
else {
add_v3_v3v3(co3, co1, d3);
add_v3_v3v3(co4, co2, d4);
isect_kind = isect_line_line_v3(co1, co3, co2, co4, meetco, isect2);
if (isect_kind != 0) {
copy_v3_v3(pro->midco, meetco);
}
else {
/* offset lines don't intersect - want linear interpolation */
mid_v3_v3v3(pro->midco, co1, co2);
do_linear_interp = true;
}
}
}
}
copy_v3_v3(pro->cob, co2);