看一下幫助,裡面有 KSB_%OI1
INTERFACE r [ t m m'] ? SA+%c)j29
COAT k coat coat' nf.:5I.
-k zo7XmUI3P
+k Dq%r
! )
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. ^ lc}FN
+ 指只有折射沒有反射光, A~GtK\=;
- 指只有反射沒有折射。