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Fix T104176: Smooth modifier with vergex group not work for negative factors. 

Regression from rBabc8d6b12ce9, over three years ago!

Should be backported to the active LTS releases too.
This commit is contained in:
Bastien Montagne 2023-01-31 09:54:28 +01:00
parent 3d765f6527
commit 9f866a92dc
Notes: blender-bot 2023-02-14 12:01:57 +01:00 
Referenced by issue #88449: Blender LTS: Maintenance Task 2.93
Referenced by issue #88449, Blender LTS: Maintenance Task 2.93
Referenced by issue #100749, Blender LTS: Maintenance Task 3.3
Referenced by issue #104176, Regession: Smooth modifier with vergex group not work for negative factors
1 changed files with 4 additions and 4 deletions
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8
source/blender/modifiers/intern/MOD_smooth.c
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@ -134,12 +134,12 @@ static void smoothModifier_do(
}
float *vco_new = accumulated_vecs[i];
const float f_new = invert_vgroup ?
(1.0f - BKE_defvert_find_weight(dv, defgrp_index)) * fac_new :
BKE_defvert_find_weight(dv, defgrp_index) * fac_new;
if (f_new <= 0.0f) {
const float f_vgroup = invert_vgroup ? (1.0f - BKE_defvert_find_weight(dv, defgrp_index)) :
BKE_defvert_find_weight(dv, defgrp_index);
if (f_vgroup <= 0.0f) {
continue;
}
const float f_new = f_vgroup * fac_new;
const float f_orig = 1.0f - f_new;
if (flag & MOD_SMOOTH_X) {