看一下幫助,裡面有 HWGlC <
INTERFACE r [ t m m'] ? ]?Ru~N}
COAT k coat coat' ,[^P
-k 1}!f.cWV(
+k )f'cy@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. 58MBG&a%
+ 指只有折射沒有反射光,
*Qg/W?"m
- 指只有反射沒有折射。