单项选择题
A.追踪到光源B.追踪到某个物体C.追踪的层次达到限定D.逃逸出场景
A.Phong着色计算B.马赫带着色C.高洛德平滑着色D.直接采用顶点的颜色值
A.Vclip =Vlocal ⋅Mprojection ⋅Mview ⋅MmodelB.Vclip =Vlocal ⋅Mmodel ⋅Mview ⋅MprojectionC.Vclip =Mprojection ⋅Mview ⋅Mmodel ⋅VlocalD.Vclip =Mmodel ⋅Mview ⋅Mprojection ⋅Vlocal