看一下幫助,裡面有 SMn(c
INTERFACE r [ t m m'] ? (Zoopkxw
COAT k coat coat' UbEK2&q/8
-k 9SQcChG~j
+k GO]5~4k
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. 4de:h E
+ 指只有折射沒有反射光, f
0r?cZ
- 指只有反射沒有折射。