看一下幫助,裡面有 uC ;PP=z
INTERFACE r [ t m m'] ? <u%e*
COAT k coat coat' f6A['<%o
-k -hV KPIb
+k z{+; '9C
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#G7`dJl
+ 指只有折射沒有反射光, -r0\
- 指只有反射沒有折射。