看一下幫助,裡面有 Hu!>RSg,,2
INTERFACE r [ t m m'] ? &:{yf=
COAT k coat coat' aD`e]K ^L
-k "4-Nnm
+k "k@/Z7=
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. G
U/k^Qy
+ 指只有折射沒有反射光, hLA=7
- 指只有反射沒有折射。