看一下幫助,裡面有 1
XJZuv,T:
INTERFACE r [ t m m'] ? \u(Gj]B#"
COAT k coat coat' oIIi_yc
-k yf`_?gJ6d
+k )
LTV+?
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. FeQo,a
+ 指只有折射沒有反射光, PYY<
- 指只有反射沒有折射。