看一下幫助,裡面有 Rx.dM_S
INTERFACE r [ t m m'] ? 0 A6%!h
COAT k coat coat' mY!&*nYn|
-k 6"_ytqw7
+k W3Dtt-)E
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. $qfNEAmDf\
+ 指只有折射沒有反射光, h|XLL|:
- 指只有反射沒有折射。