diff options
Diffstat (limited to 'source/blender/editors/space_view3d/view3d_view.c')
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_view.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c index a3421295464..3638690a0a5 100644 --- a/source/blender/editors/space_view3d/view3d_view.c +++ b/source/blender/editors/space_view3d/view3d_view.c @@ -847,6 +847,9 @@ void setviewmatrixview3d(Scene *scene, View3D *v3d, RegionView3D *rv3d) } } else { + bool use_lock_ofs = false; + + /* should be moved to better initialize later on XXX */ if (rv3d->viewlock) ED_view3d_lock(rv3d); @@ -866,15 +869,34 @@ void setviewmatrixview3d(Scene *scene, View3D *v3d, RegionView3D *rv3d) } } translate_m4(rv3d->viewmat, -vec[0], -vec[1], -vec[2]); + use_lock_ofs = true; } else if (v3d->ob_centre_cursor) { float vec[3]; copy_v3_v3(vec, give_cursor(scene, v3d)); translate_m4(rv3d->viewmat, -vec[0], -vec[1], -vec[2]); + use_lock_ofs = true; } else { translate_m4(rv3d->viewmat, rv3d->ofs[0], rv3d->ofs[1], rv3d->ofs[2]); } + + /* lock offset */ + if (use_lock_ofs) { + float persmat[4][4], persinv[4][4]; + float vec[3]; + + /* we could calculate the real persmat/persinv here + * but it would be unreliable so better to later */ + mul_m4_m4m4(persmat, rv3d->winmat, rv3d->viewmat); + invert_m4_m4(persinv, persmat); + + mul_v2_v2fl(vec, rv3d->ofs_lock, rv3d->is_persp ? rv3d->dist : 1.0f); + vec[2] = 0.0f; + mul_mat3_m4_v3(persinv, vec); + translate_m4(rv3d->viewmat, vec[0], vec[1], vec[2]); + } + /* end lock offset */ } } |