看一下幫助,裡面有 (
f,J_
INTERFACE r [ t m m'] ? =#(0)p$EC
COAT k coat coat' XY{:tR_al
-k 3eTrtCe$
+k HmExfW
The signs in front of k can be used to instruct ASAP to either propagate only a reflected ray (-k: t=0) at that object or to propagate only a transmitted ray (+k: r=0) at that object. =dM.7$6) R
+ 指只有折射沒有反射光, OB6J.dF[%
- 指只有反射沒有折射。