看一下幫助,裡面有 ,VNi_.W0
INTERFACE r [ t m m'] ? iq"ob8.
COAT k coat coat' rv9B}%e
-k *jk3 \KaoV
+k hv+|s(
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. k"xGA*B|
+ 指只有折射沒有反射光, DR:8oo&E
- 指只有反射沒有折射。