灯光\定向光\dlight.class
....\......\dlight.htm
....\......\dlight.java
....\点光源\plight.class
....\......\plight.htm
....\......\plight.java
....\环境光\alight.class
....\......\alight.htm
....\......\alight.java
....\聚光源\slight.class
....\......\slight.htm
....\......\slight.java
....\定向光
....\点光源
....\环境光
....\聚光源
灯光