看一下幫助,裡面有 Sq/M
%z5'
INTERFACE r [ t m m'] ? RZjTUMAz4
COAT k coat coat' /$\yAOA'y
-k 6S])IA&VJ
+k yx3M0Qo
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. j7<`^OG
+ 指只有折射沒有反射光, <d#9d.<
- 指只有反射沒有折射。