A.漫反射 B.鏡面反射 C.環(huán)境光 D.折射
A.z(x+1,y)=z(x,y)+A/C B.z(x+1,y)=z(x,y)-A/C C.z(x+1,y)=z(x,y)+C/A D.z(x+1,y)=z(x,y)-C/A
A、C<=0 B、C>=0 C、A>=0 D、B<=0