diff options
Diffstat (limited to 'source/blender/editors/include/ED_transform_snap_object_context.h')
| -rw-r--r-- | source/blender/editors/include/ED_transform_snap_object_context.h | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/source/blender/editors/include/ED_transform_snap_object_context.h b/source/blender/editors/include/ED_transform_snap_object_context.h index 20353c21f93..f9ca578f282 100644 --- a/source/blender/editors/include/ED_transform_snap_object_context.h +++ b/source/blender/editors/include/ED_transform_snap_object_context.h @@ -57,9 +57,13 @@ struct SnapObjectParams { /* Geometry for snapping in edit mode. */ eSnapEditType edit_mode_type; /* snap to the closest element, use when using more than one snap type */ - bool use_occlusion_test : true; + bool use_occlusion_test : 1; /* exclude back facing geometry from snapping */ - bool use_backface_culling : true; + bool use_backface_culling : 1; + /* Break nearest face snapping into steps to improve transformations across U-shaped targets. */ + short face_nearest_steps; + /* Enable to force nearest face snapping to snap to target the source was initially near. */ + bool keep_on_same_target : 1; }; typedef struct SnapObjectContext SnapObjectContext; @@ -114,12 +118,33 @@ bool ED_transform_snap_object_project_ray_all(SnapObjectContext *sctx, bool sort, struct ListBase *r_hit_list); +/** + * Perform snapping. + * + * Given a 2D region value, snap to vert/edge/face/grid. + * + * \param sctx: Snap context. + * \param snap_to: Target elements to snap source to. + * \param params: Addition snapping options. + * \param init_co: Initial world-space coordinate of source (optional). + * \param mval: Current transformed screen-space coordinate or mouse position (optional). + * \param prev_co: Current transformed world-space coordinate of source (optional). + * \param dist_px: Maximum distance to snap (in pixels). + * \param r_loc: Snapped world-space coordinate. + * \param r_no: Snapped world-space normal (optional). + * \param r_index: Index of snapped-to target element (optional). + * \param r_ob: Snapped-to target object (optional). + * \param r_obmat: Matrix of snapped-to target object (optional). + * \param r_face_nor: World-space normal of snapped-to target face (optional). + * \return Snapped-to element, #eSnapMode. + */ eSnapMode ED_transform_snap_object_project_view3d_ex(struct SnapObjectContext *sctx, struct Depsgraph *depsgraph, const ARegion *region, const View3D *v3d, - eSnapMode snap_to, + const eSnapMode snap_to, const struct SnapObjectParams *params, + const float init_co[3], const float mval[2], const float prev_co[3], float *dist_px, @@ -135,19 +160,23 @@ eSnapMode ED_transform_snap_object_project_view3d_ex(struct SnapObjectContext *s * Given a 2D region value, snap to vert/edge/face. * * \param sctx: Snap context. - * \param mval: Screenspace coordinate. - * \param prev_co: Coordinate for perpendicular point calculation (optional). + * \param snap_to: Target elements to snap source to. + * \param params: Addition snapping options. + * \param init_co: Initial world-space coordinate of source (optional). + * \param mval: Current transformed screen-space coordinate or mouse position (optional). + * \param prev_co: Current transformed world-space coordinate of source (optional). * \param dist_px: Maximum distance to snap (in pixels). - * \param r_loc: hit location. - * \param r_no: hit normal (optional). - * \return Snap success. + * \param r_loc: Snapped world-space coordinate. + * \param r_no: Snapped world-space normal (optional). + * \return Snapped-to element, #eSnapMode. */ eSnapMode ED_transform_snap_object_project_view3d(struct SnapObjectContext *sctx, struct Depsgraph *depsgraph, const ARegion *region, const View3D *v3d, - eSnapMode snap_to, + const eSnapMode snap_to, const struct SnapObjectParams *params, + const float init_co[3], const float mval[2], const float prev_co[3], float *dist_px, |