看一下幫助,裡面有 AF$\WWrB
INTERFACE r [ t m m'] ? 'I v_mig
COAT k coat coat' )7Ixz1I9g
-k +c) TDH
+k QPs:R hV7
The signs in front of k can be used to instruct ASAP to either propagate only a reflected ray (-k: t=0) at that object or to propagate only a transmitted ray (+k: r=0) at that object. Q'K$L9q
+ 指只有折射沒有反射光, 0hwj\{"
- 指只有反射沒有折射。