看一下幫助,裡面有 h
Ia{s)
INTERFACE r [ t m m'] ? w
<]7:/
COAT k coat coat' 96F:%|yG
-k &sL5Pt_
+k wxZnuCO%H8
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. lwLK#_5u
+ 指只有折射沒有反射光, yz-IZt(
- 指只有反射沒有折射。