看一下幫助,裡面有 N343qU
INTERFACE r [ t m m'] ? <b`E_
COAT k coat coat' {MCi<7j<?
-k XINu=N(g
+k YkniiB[/
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. CohDO
+ 指只有折射沒有反射光, LYz.Ci}
- 指只有反射沒有折射。