说明：  电话 //创建以画布为依托的简单场景图对象，没有多个Locale SimpleUniverse u=new SimpleUniverse(c) u.getViewingPlatform().setNominalViewingTransform() //创建分支组对象 BranchGroup scene=createSceneGraph(c) //组装，分支组 对象加到 场景图 u.addBranchGraph(scene) //带场景图的画布 加到 本applet中 setLayout(new BorderLayout()) add("Center",c)
(telephone// Create a canvas backing of a simple scene graph object, no more Locale SimpleUniverse u = new SimpleUnive rse (c) u.getViewingPlatform (). setNominalV iewingTransform ()// Create branch target groups BranchGroup sce ne = createSceneGraph (c)// assembly, branch target groups added to scene graph u.addBranchGraph (scene)// scene graph with the canvas added to the applet which setLayout (new BorderLayout ()) add ( "Center", c))