看一下幫助,裡面有 0rzVy/Z(
INTERFACE r [ t m m'] ? .RRlUWu
COAT k coat coat' d(L{!mm
-k 68x}w
Ae
+k m)f|:MM
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. WD?Jk9_F
+ 指只有折射沒有反射光, YBSl-G'
- 指只有反射沒有折射。