ClutterBehaviourEllipse @clutterbehaviourellipse: the object which received the signal. @arg1: @parent_class: @knot_reached: @_clutter_ellipse_1: @_clutter_ellipse_2: @_clutter_ellipse_3: @_clutter_ellipse_4: @alpha: @center: @width: @height: @start: @end: @tilt: @Returns: @self: @knot: @bs: @knot: @self: @Returns: @self: @Returns: @self: @Returns: @self: @Returns: @self: @Returns: @self: @angle_begin: @self: @angle_end: @self: @angle_tilt: @self: @height: @self: @width: