griefith/test2
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Fix sculpt view normal for transformed objects

Browse Source 
Patch from Antony Riakiotakis, thanks!

Fixes [#34641] "Front Faces Only" option in SculptMode behaves weird
projects.blender.org/tracker/?func=detail&aid=34641&group_id=9&atid=498
This commit is contained in:
Nicholas Bishop
2013-03-16 17:45:58 +00:00
parent fc11cf1581
commit 994265b204
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
source/blender/editors/sculpt_paint/sculpt.c
View File

@@ -3661,6 +3661,7 @@ static void sculpt_update_cache_invariants(bContext *C, Sculpt *sd, SculptSessio
Brush *brush = paint_brush(&sd->paint);
ViewContext *vc = paint_stroke_view_context(op->customdata);
Object *ob = CTX_data_active_object(C);
float rot[3][3], scale[3], loc[3];
int i;
int mode;
@@ -3725,7 +3726,12 @@ static void sculpt_update_cache_invariants(bContext *C, Sculpt *sd, SculptSessio
/* cache projection matrix */
ED_view3d_ob_project_mat_get(cache->vc->rv3d, ob, cache->projection_mat);
mat4_to_loc_rot_size(loc, rot, scale, ob->obmat);
/* transposing an orthonormal matrix inverts */
transpose_m3(rot);
ED_view3d_global_to_vector(cache->vc->rv3d, cache->vc->rv3d->twmat[3], cache->true_view_normal);
/* This takes care of rotated mesh. Instead of rotating every normal, we inverse rotate view normal. */
mul_m3_v3(rot, cache->true_view_normal);
/* Initialize layer brush displacements and persistent coords */
if (brush->sculpt_tool == SCULPT_TOOL_LAYER) {
/* not supported yet for multires or dynamic topology */