| chenyix1 |
2008-03-12 09:37 |
看一下幫助，裡面有 *z3wm-z1&
INTERFACE r [ t m m'] ? 9$iDK$%
COAT k coat coat' %uUQBZ4
-k wF \5 X
+k ^{l^Z
+b.
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. Xl p $ xp"
+ 指只有折射沒有反射光， 9{(A-
- 指只有反射沒有折射。
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