diff options
Diffstat (limited to 'source/blender/blenkernel/intern/object.c')
| -rw-r--r-- | source/blender/blenkernel/intern/object.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c index d36a5838630..6590768917a 100644 --- a/source/blender/blenkernel/intern/object.c +++ b/source/blender/blenkernel/intern/object.c @@ -835,7 +835,8 @@ void BKE_object_init(Object *ob) ob->empty_image_depth = OB_EMPTY_IMAGE_DEPTH_DEFAULT; ob->empty_image_visibility_flag = ( OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE | - OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC); + OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC | + OB_EMPTY_IMAGE_VISIBLE_BACKSIDE); if (ob->type == OB_EMPTY) { copy_v2_fl(ob->ima_ofs, -0.5f); } @@ -4079,3 +4080,21 @@ bool BKE_object_modifier_update_subframe( return false; } + +bool BKE_image_empty_visible_in_view3d(const Object *ob, const RegionView3D *rv3d) +{ + int visibility_flag = ob->empty_image_visibility_flag; + + if ((visibility_flag & OB_EMPTY_IMAGE_VISIBLE_BACKSIDE) == 0) { + if (dot_v3v3((float *)&ob->obmat[2], (float *)&rv3d->viewinv[2]) < 0.0f) { + return false; + } + } + + if (rv3d->is_persp) { + return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE; + } + else { + return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC; + } +}
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