question: getup returns the ring 's up vector . concode_field_sep float outerRadius concode_elem_sep Vector3f b2 concode_elem_sep Vector3f center concode_elem_sep Vector3f b1 concode_elem_sep Vector3f up concode_elem_sep float innerRadius concode_elem_sep long serialVersionUID concode_field_sep Vector3f random concode_elem_sep Vector3f random concode_elem_sep Vector3f getCenter concode_elem_sep void setOuterRadius concode_elem_sep void read concode_elem_sep float getOuterRadius concode_elem_sep void setCenter concode_elem_sep float getInnerRadius concode_elem_sep Ring clone concode_elem_sep void setUp concode_elem_sep void setInnerRadius concode_elem_sep void write
target: Vector3f function ( ) { return up ; }