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Fix T45853: Edge-slide UV-correct jitter

This commit is contained in:
Campbell Barton 2015-08-25 22:45:09 +10:00
parent ba5807c271
commit 50917edad5
Notes: blender-bot 2023-02-14 08:45:09 +01:00 
Referenced by issue #45853, Edge slide bug
1 changed files with 2 additions and 2 deletions
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4
source/blender/blenlib/intern/math_geom.c
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@ -2986,7 +2986,7 @@ static float mean_value_half_tan_v3(const struct Float3_Len *d_curr, const struc
float cross[3], area;
cross_v3_v3v3(cross, d_curr->dir, d_next->dir);
area = len_v3(cross);
if (LIKELY(area != 0.0f)) {
if (LIKELY(fabsf(area) > FLT_EPSILON)) {
const float dot = dot_v3v3(d_curr->dir, d_next->dir);
const float len = d_curr->len * d_next->len;
return (len - dot) / area;
@ -3001,7 +3001,7 @@ static float mean_value_half_tan_v2(const struct Float2_Len *d_curr, const struc
float area;
/* different from the 3d version but still correct */
area = cross_v2v2(d_curr->dir, d_next->dir);
if (LIKELY(area != 0.0f)) {
if (LIKELY(fabsf(area) > FLT_EPSILON)) {
const float dot = dot_v2v2(d_curr->dir, d_next->dir);
const float len = d_curr->len * d_next->len;
return (len - dot) / area;