| chenyix1 |
2008-03-12 09:37 |
看一下幫助，裡面有 =.@{ uu;
INTERFACE r [ t m m'] ? #q7`"E=M"
COAT k coat coat' .xR J )9q
-k "3kIQsD|j
+k O|t@p=]
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. 9v=fE2`-
+ 指只有折射沒(méi)有反射光， M.|@|If4?
- 指只有反射沒(méi)有折射。
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