| chenyix1 |
2008-03-12 09:37 |
看一下幫助，裡面有 l,.?-|Poa
INTERFACE r [ t m m'] ? M N#C2 qz
COAT k coat coat' =[JN'|Q+
-k pGY]Vw Y
+k {ah=i8$
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. cO,V8#H
+ 指只有折射沒有反射光， A+I&.\QAR
- 指只有反射沒有折射。
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