看一下幫助,裡面有 1aCpeD4|)
INTERFACE r [ t m m'] ? d`=LZio
COAT k coat coat' 0%4OmLBT
-k \O\q1
s~
+k ga(k2Q;y
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. 8@RtL,[d
+ 指只有折射沒有反射光, sx}S,aIU
- 指只有反射沒有折射。