From 059f3c1a7eb8a48aa06467e19cce4daa29091c1a Mon Sep 17 00:00:00 2001 From: Bastien Montagne Date: Tue, 3 Mar 2020 18:41:50 +0100 Subject: Modifiers: Wave add invert vgroup option Adds the invert vgroup option to the Wave modifier. Differential Revision: https://developer.blender.org/D6893 --- source/blender/modifiers/intern/MOD_wave.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'source/blender/modifiers/intern/MOD_wave.c') diff --git a/source/blender/modifiers/intern/MOD_wave.c b/source/blender/modifiers/intern/MOD_wave.c index ff5748b968c..d4d8d253254 100644 --- a/source/blender/modifiers/intern/MOD_wave.c +++ b/source/blender/modifiers/intern/MOD_wave.c @@ -154,6 +154,7 @@ static void waveModifier_do(WaveModifierData *md, const int wmd_axis = wmd->flag & (MOD_WAVE_X | MOD_WAVE_Y); const float falloff = wmd->falloff; float falloff_fac = 1.0f; /* when falloff == 0.0f this stays at 1.0f */ + const bool invert_group = (wmd->flag & MOD_WAVE_INVERT_VGROUP) != 0; if ((wmd->flag & MOD_WAVE_NORM) && (mesh != NULL)) { mvert = mesh->mvert; @@ -213,7 +214,8 @@ static void waveModifier_do(WaveModifierData *md, /* get weights */ if (dvert) { - def_weight = defvert_find_weight(&dvert[i], defgrp_index); + def_weight = invert_group ? 1.0f - defvert_find_weight(&dvert[i], defgrp_index) : + defvert_find_weight(&dvert[i], defgrp_index); /* if this vert isn't in the vgroup, don't deform it */ if (def_weight == 0.0f) { -- cgit v1.2.3