看一下幫助,裡面有 31~Rs?~f(
INTERFACE r [ t m m'] ? `6 ?.ihV
COAT k coat coat' BHJS.o*j~
-k */A ~lR|
+k ) (l=_[1Z5
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. _?a.S8LxJZ
+ 指只有折射沒有反射光, U$ 22 r b
- 指只有反射沒有折射。