A.柱形B.長(zhǎng)方體C.平面D.收縮包裹
A.平面B.球形C.面D.收縮包裹
A.光線跟蹤材質(zhì)B.混合材質(zhì)C.多維/子對(duì)象材質(zhì)D.頂/底材質(zhì)