看一下幫助,裡面有 6 w'))Z
INTERFACE r [ t m m'] ? mp)+wZAN&
COAT k coat coat'
nDS\2
-k ;t M
+k 9k~%HN-[
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. 0|<9eD\I=
+ 指只有折射沒有反射光, ik](k"1{
- 指只有反射沒有折射。