| chenyix1 |
2008-03-12 09:37 |
看一下幫助，裡面有 ejXMKPE;
INTERFACE r [ t m m'] ? wLV~F[:
COAT k coat coat' ]Zf6Yw .Y
-k j!z-)p8hy
+k lHB) b}7E
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. X _$a,"'~)
+ 指只有折射沒有反射光， ggb |Ew
- 指只有反射沒有折射。
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