| chenyix1 |
2008-03-12 09:37 |
看一下幫助,裡面有 /ZIJ<#o[ INTERFACE r [ t m m'] ? RTPq8S" COAT k coat coat' uu
WY4j6 -k T!^?d5uW# +k TQOg~lH 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. h a,=LV + 指只有折射沒有反射光, Tdk2436= - 指只有反射沒有折射。
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