diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/blender/makesdna/DNA_modifier_types.h | 1 | ||||
| -rw-r--r-- | source/blender/makesrna/intern/rna_modifier.c | 5 | ||||
| -rw-r--r-- | source/blender/modifiers/intern/MOD_explode.c | 5 |
3 files changed, 10 insertions, 1 deletions
diff --git a/source/blender/makesdna/DNA_modifier_types.h b/source/blender/makesdna/DNA_modifier_types.h index 20ea798a2fa..502b66536fd 100644 --- a/source/blender/makesdna/DNA_modifier_types.h +++ b/source/blender/makesdna/DNA_modifier_types.h @@ -977,6 +977,7 @@ typedef enum { eExplodeFlag_Unborn = (1 << 3), eExplodeFlag_Alive = (1 << 4), eExplodeFlag_Dead = (1 << 5), + eExplodeFlag_INVERT_VGROUP = (1 << 6), } ExplodeModifierFlag; typedef struct ExplodeModifierData { diff --git a/source/blender/makesrna/intern/rna_modifier.c b/source/blender/makesrna/intern/rna_modifier.c index 8063c5b80c4..eafc5b5407e 100644 --- a/source/blender/makesrna/intern/rna_modifier.c +++ b/source/blender/makesrna/intern/rna_modifier.c @@ -3600,6 +3600,11 @@ static void rna_def_modifier_explode(BlenderRNA *brna) RNA_def_property_string_maxlength(prop, MAX_CUSTOMDATA_LAYER_NAME); RNA_def_property_ui_text(prop, "Particle UV", "UV map to change with particle age"); RNA_def_property_update(prop, 0, "rna_Modifier_update"); + + prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_boolean_sdna(prop, NULL, "flag", eExplodeFlag_INVERT_VGROUP); + RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence"); + RNA_def_property_update(prop, 0, "rna_Modifier_update"); } static void rna_def_modifier_cloth(BlenderRNA *brna) diff --git a/source/blender/modifiers/intern/MOD_explode.c b/source/blender/modifiers/intern/MOD_explode.c index 88e45f652a0..26a353b4235 100644 --- a/source/blender/modifiers/intern/MOD_explode.c +++ b/source/blender/modifiers/intern/MOD_explode.c @@ -97,6 +97,7 @@ static void createFacepa(ExplodeModifierData *emd, ParticleSystemModifierData *p float center[3], co[3]; int *facepa = NULL, *vertpa = NULL, totvert = 0, totface = 0, totpart = 0; int i, p, v1, v2, v3, v4 = 0; + const bool invert_vgroup = (emd->flag & eExplodeFlag_INVERT_VGROUP) != 0; mvert = mesh->mvert; mface = mesh->mface; @@ -129,7 +130,9 @@ static void createFacepa(ExplodeModifierData *emd, ParticleSystemModifierData *p for (i = 0; i < totvert; i++, dvert++) { float val = BLI_rng_get_float(rng); val = (1.0f - emd->protect) * val + emd->protect * 0.5f; - if (val < defvert_find_weight(dvert, defgrp_index)) { + const float weight = invert_vgroup ? 1.0f - defvert_find_weight(dvert, defgrp_index) : + defvert_find_weight(dvert, defgrp_index); + if (val < weight) { vertpa[i] = -1; } } |