看一下幫助,裡面有 N|)V/no 6
INTERFACE r [ t m m'] ? >k jJq]A2
COAT k coat coat' Y'~&%|9+T
-k ;$/G T
+k Smux&e
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. +~v(*s C
+ 指只有折射沒有反射光, aRwBxf
- 指只有反射沒有折射。