diff options
Diffstat (limited to 'source/blender/editors/sculpt_paint/sculpt.c')
-rw-r--r-- | source/blender/editors/sculpt_paint/sculpt.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c index 06b5de9719e..cfa6a492b2b 100644 --- a/source/blender/editors/sculpt_paint/sculpt.c +++ b/source/blender/editors/sculpt_paint/sculpt.c @@ -2372,8 +2372,23 @@ void SCULPT_clip(Sculpt *sd, SculptSession *ss, float co[3], const float val[3]) continue; } - if ((ss->cache->flag & (CLIP_X << i)) && (fabsf(co[i]) <= ss->cache->clip_tolerance[i])) { - co[i] = 0.0f; + bool do_clip = false; + float co_clip[3]; + if (ss->cache && (ss->cache->flag & (CLIP_X << i))) { + /* Take possible mirror object into account. */ + mul_v3_m4v3(co_clip, ss->cache->clip_mirror_mtx, co); + + if (fabsf(co_clip[i]) <= ss->cache->clip_tolerance[i]) { + co_clip[i] = 0.0f; + float imtx[4][4]; + invert_m4_m4(imtx, ss->cache->clip_mirror_mtx); + mul_m4_v3(imtx, co_clip); + do_clip = true; + } + } + + if (do_clip) { + co[i] = co_clip[i]; } else { co[i] = val[i]; @@ -6005,6 +6020,8 @@ static void sculpt_init_mirror_clipping(Object *ob, SculptSession *ss) { ModifierData *md; + unit_m4(ss->cache->clip_mirror_mtx); + for (md = ob->modifiers.first; md; md = md->next) { if (md->type == eModifierType_Mirror && (md->mode & eModifierMode_Realtime)) { MirrorModifierData *mmd = (MirrorModifierData *)md; @@ -6023,6 +6040,13 @@ static void sculpt_init_mirror_clipping(Object *ob, SculptSession *ss) } } } + + /* Store matrix for mirror object clipping. */ + if (mmd->mirror_ob) { + float imtx_mirror_ob[4][4]; + invert_m4_m4(imtx_mirror_ob, mmd->mirror_ob->obmat); + mul_m4_m4m4(ss->cache->clip_mirror_mtx, imtx_mirror_ob, ob->obmat); + } } } } |