看一下幫助,裡面有 60SenHKles
INTERFACE r [ t m m'] ? `s]zk {x
COAT k coat coat' wZ#~+ }T
-k a-o
hS=W
+k k/6Gj}l'o
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. c'VtRE# z~
+ 指只有折射沒有反射光, s;=J'x)~%
- 指只有反射沒有折射。