#--------------------------------------------------------------------------
# ◆ オブジェクトの解放処理
#--------------------------------------------------------------------------
def dispose
@body.dispose if @body != nil and !(@body.disposed?)
@base_head.dispose if @base_head != nil and !(@base_head.disposed?)
@outer.dispose if @outer != nil and !(@outer.disposed?)
@inner.dispose if @inner != nil and !(@inner.disposed?)
@head.dispose if @head != nil and !(@head.disposed?)
@leg.dispose if @leg != nil and !(@leg.disposed?)
end