看一下幫助,裡面有 MA+-2pMc|7
INTERFACE r [ t m m'] ? {}pqxouE
COAT k coat coat' s3-ktZ@
-k '%EZoc/U
+k Uxemlp%%*
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. -m160k3
+ 指只有折射沒有反射光, QklNw6,
- 指只有反射沒有折射。