看一下幫助,裡面有 aO]ZZleNS
INTERFACE r [ t m m'] ? $:cE ^8K
COAT k coat coat' O,J>/
-k "8c@sHk(w
+k oo,uO;0G
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. pf%=h
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+ 指只有折射沒(méi)有反射光, nc~F_i=
- 指只有反射沒(méi)有折射。