BSDF——Bidirectional Scattering Distribution Function雙向散射分布函數(shù) 5vGioO 類推: }@*I+\W/ BRDF——Bidirectional Reflection Distribution Function y$h"ty{g BTDF——Bidirectional Transimssion Distribution Function rys<-i( 這些函數(shù)根據(jù)表面的輸入?yún)?shù)自動(dòng)計(jì)算數(shù)值