diff options
| -rw-r--r-- | source/blender/editors/transform/transform_snap_object.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/source/blender/editors/transform/transform_snap_object.c b/source/blender/editors/transform/transform_snap_object.c index 83b04cb7f72..bed451a32d8 100644 --- a/source/blender/editors/transform/transform_snap_object.c +++ b/source/blender/editors/transform/transform_snap_object.c @@ -1114,10 +1114,13 @@ static bool snapDerivedMesh( float lpmat[4][4]; float ray_org_local[3]; + float depth_range_local[2]; if (ELEM(snapdata->snap_to, SCE_SNAP_MODE_VERTEX, SCE_SNAP_MODE_EDGE)) { mul_m4_m4m4(lpmat, snapdata->pmat, obmat); copy_v3_v3(ray_org_local, snapdata->ray_origin); mul_m4_v3(imat, ray_org_local); + depth_range_local[0] = snapdata->depth_range[0] * local_scale; + depth_range_local[1] = local_depth + depth_range_local[0]; } if (do_bb) { @@ -1326,7 +1329,7 @@ static bool snapDerivedMesh( dist_squared_to_projected_aabb_precalc( &neasrest2d.data_precalc, lpmat, snapdata->win_half, - snapdata->depth_range, snapdata->mval, ray_org_local, ray_normal_local); + depth_range_local, snapdata->mval, ray_org_local, ray_normal_local); BVHTree_WalkLeafCallback cb_walk_leaf = (snapdata->snap_to == SCE_SNAP_MODE_VERTEX) ? @@ -1400,6 +1403,13 @@ static bool snapEditMesh( mul_mat3_m4_v3(imat, ray_normal_local); + /* local scale in normal direction */ + float local_scale = normalize_v3(ray_normal_local); + float local_depth = *ray_depth; + if (local_depth != BVH_RAYCAST_DIST_MAX) { + local_depth *= local_scale; + } + SnapObjectData_EditMesh *sod = NULL; BVHTreeFromEditMesh *treedata = NULL, treedata_stack; @@ -1502,13 +1512,6 @@ static bool snapEditMesh( copy_v3_v3(ray_start_local, snapdata->ray_start); mul_m4_v3(imat, ray_start_local); - /* local scale in normal direction */ - float local_scale = normalize_v3(ray_normal_local); - float local_depth = *ray_depth; - if (local_depth != BVH_RAYCAST_DIST_MAX) { - local_depth *= local_scale; - } - /* Only use closer ray_start in case of ortho view! In perspective one, ray_start * may already been *inside* boundbox, leading to snap failures (see T38409). * Note also ar might be null (see T38435), in this case we assume ray_start is ok! @@ -1615,8 +1618,10 @@ static bool snapEditMesh( .userdata = &treedata_type, .index = -1}; - float lpmat[4][4]; + float lpmat[4][4], depth_range_local[2]; mul_m4_m4m4(lpmat, snapdata->pmat, obmat); + depth_range_local[0] = snapdata->depth_range[0] * local_scale; + depth_range_local[1] = local_depth + depth_range_local[0]; dist_squared_to_projected_aabb_precalc( &neasrest2d.data_precalc, lpmat, snapdata->win_half, snapdata->depth_range, snapdata->mval, ray_org_local, ray_normal_local); @@ -2077,9 +2082,6 @@ static bool transform_snap_context_project_view3d_mixed_impl( for (int i = 0; i < 3; i++) { if ((snap_to_flag & (1 << i)) && (is_hit == false || use_depth)) { - if (use_depth == false) { - ray_depth = BVH_RAYCAST_DIST_MAX; - } if (ED_transform_snap_object_project_view3d( sctx, @@ -2088,6 +2090,14 @@ static bool transform_snap_context_project_view3d_mixed_impl( r_co, r_no)) { is_hit = true; + if (use_depth == false) { + ray_depth = BVH_RAYCAST_DIST_MAX; + } + else { + /* 0.01 is a random but small value to prioritizing + * the first elements of the loop */ + ray_depth -= 0.01f; + } } } } |