| chenyix1 |
2008-03-12 09:37 |
看一下幫助，裡面有 (0QYX[(r~o
INTERFACE r [ t m m'] ? R iCzH
COAT k coat coat'
]tO9<
-k a+p_47 xa
+k ?KXgG' !!
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. 4e9'yi
+ 指只有折射沒有反射光， m; m4/z3U
- 指只有反射沒有折射。
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