| chenyix1 |
2008-03-12 09:37 |
看一下幫助，裡面有 pajy#0 U
INTERFACE r [ t m m'] ? UxeL
cUP
COAT k coat coat' yxvjg\!&
-k 8'KMxR
+k N+NK`
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. zj{(p Z1
+ 指只有折射沒有反射光， '*4iqP R;
- 指只有反射沒有折射。
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