(g.dZdZdddZdZdddZdS))region_2d_to_vector_3dregion_2d_to_origin_3dregion_2d_to_location_3dlocation_3d_to_region_2dcddlm}|j}|jr|j}|d|dz|jz dz d|dz|jz dz df}||dj |ddz}||z|z |j z }n|j dj }| |S) a- Return a direction vector from the viewport at the specific 2d region coordinate. :arg region: region of the 3D viewport, typically bpy.context.region. :type region: :class:`bpy.types.Region` :arg rv3d: 3D region data, typically bpy.context.space_data.region_3d. :type rv3d: :class:`bpy.types.RegionView3D` :arg coord: 2d coordinates relative to the region: (event.mouse_region_x, event.mouse_region_y) for example. :type coord: 2d vector :return: normalized 3d vector. :rtype: :class:`mathutils.Vector` Vector@?g) mathutilsr view_matrixinvertedis_perspectiveperspective_matrixwidthheightdotxyz translationcol normalize) regionrv3dcoordr viewinvpersinvoutw view_vectors ]/home/blender/git/blender-v430/install_release/4.3/scripts/modules/bpy_extras/view3d_utils.pyrr s!     ''))G  *)2244f 58^fl *c 1 58^fm +s 2     GGGAJN # #gajm 3# *g.AA {1~))  N)clampcD|j}|jr|j}n|j}d|dz|jz dz }d|dz|jz dz }|} | jdj |z| jdj |zz| jz}|dkrS|j dkrH| jdj } |/|dkr| | }| j |kr|| _ || z}|S)aH Return the 3d view origin from the region relative 2d coords. .. note:: Orthographic views have a less obvious origin, the far clip is used to define the viewport near/far extents. Since far clip can be a very large value, the result may give with numeric precision issues. To avoid this problem, you can optionally clamp the far clip to a smaller value based on the data you're operating on. :arg region: region of the 3D viewport, typically bpy.context.region. :type region: :class:`bpy.types.Region` :arg rv3d: 3D region data, typically bpy.context.space_data.region_3d. :type rv3d: :class:`bpy.types.RegionView3D` :arg coord: 2D coordinates relative to the region; (event.mouse_region_x, event.mouse_region_y) for example. :type coord: Sequence[float] :arg clamp: Clamp the maximum far-clip value used. (negative value will move the offset away from the view_location) :type clamp: float | None :return: The origin of the viewpoint in 3d space. :rtype: :class:`mathutils.Vector` r rr r CAMERAr) rrrrcopyrrrrrview_perspectivenegatelength) rrrr%r origin_startpersmatdxdyr origin_offsets r#rr3s<6''))G .*//11 )..00E!Hnv|+s 2E!Hnv}, 3""$$ [^ " $ [^ " $ &     C<<$00 ' A 2 $s{{%,,...!&$+e33/4 , - r$cLddlm}t|||}||}t|||}||z}|jrMddlm}|j} | j d } ||||| dSddlm } | |||dS)a Return a 3d location from the region relative 2d coords, aligned with *depth_location*. :arg region: region of the 3D viewport, typically bpy.context.region. :type region: :class:`bpy.types.Region` :arg rv3d: 3D region data, typically bpy.context.space_data.region_3d. :type rv3d: :class:`bpy.types.RegionView3D` :arg coord: 2d coordinates relative to the region; (event.mouse_region_x, event.mouse_region_y) for example. :type coord: 2d vector :arg depth_location: the returned vectors depth is aligned with this since there is no defined depth with a 2d region input. :type depth_location: 3d vector :return: normalized 3d vector. :rtype: :class:`mathutils.Vector` rr)intersect_line_planerr )intersect_point_line) rr rrrmathutils.geometryr3rrrr)r4) rrrdepth_locationr coord_vecr- origin_endr3rview_vecr4s r#rrms$!     &vtU;;IVN++N)&$>>L )J  ;;;;;;"++--;q>&&((##    a     <;;;;;##        r$)defaultcddlm}|j||d|d|ddfz}|jdkrG|jdz }|jdz }||||j|jz zz|||j|jz zzfS|S)a# Return the *region* relative 2d location of a 3d position. :arg region: region of the 3D viewport, typically bpy.context.region. :type region: :class:`bpy.types.Region` :arg rv3d: 3D region data, typically bpy.context.space_data.region_3d. :type rv3d: :class:`bpy.types.RegionView3D` :arg coord: 3d world-space location. :type coord: 3d vector :arg default: Return this value if ``coord`` is behind the origin of a perspective view. :return: 2d location :rtype: :class:`mathutils.Vector` | Any rrr rr r'r )rr rr!rrxy)rrrr:r prj width_half height_halfs r#rrs!      !FFE!HeAha#+N$O$O OC us{{\C' mc) v susu}5 5 +7 7    r$)__all__rrrrr$r#rCst  ###L:>77777t* * * Z>Br$