看一下幫助,裡面有 M}xyW"yp
INTERFACE r [ t m m'] ? E@92hB4D"
COAT k coat coat' H+F>#
-k %H8s_O
+k b=Oec%Adx
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. *_!}g
]
+ 指只有折射沒有反射光, o@A|Lm.
- 指只有反射沒有折射。