samer@1: /*
samer@1: 		hello7.java
samer@1: 
samer@1: 		Construct universe without using SimpleUniverse 
samer@1: 		utility class - this puts together the view
samer@1: 		group explicitly.
samer@1: 
samer@1: 		Now has dynamically creatable views all on the same
samer@1: 		view platform. Left and right eye views available!
samer@1:  */
samer@1: 
samer@1: import samer.core.*;
samer@1: import java.awt.event.*;
samer@1: import javax.media.j3d.*;
samer@1: import javax.vecmath.*;
samer@1: 
samer@1: import samer.core.Node;
samer@1: 
samer@1: public class hello7 extends util implements Agent
samer@1: {
samer@1: 	// create universe
samer@1: 	LocalUniverse	U=new LocalUniverse();
samer@1: 	BranchGroup		root=new BranchGroup();
samer@1: 	ViewPlatform	VP=new ViewPlatform();
samer@1: 	
samer@1: 	public static void main(String[] arse) { init(); new hello7(); }
samer@1: 
samer@1: 	public hello7()
samer@1: 	{		
samer@1: 		// create scene
samer@1: 		root.addChild(createSceneGraph());
samer@1: 		// addBackground(root,new Background(0.1f,0.2f,0.15f));
samer@1: 		// addLights(root);
samer@1: 
samer@1: 		{ // view platform placement			
samer@1: 			TransformGroup	VT=new TransformGroup();
samer@1: 			Transform3D		t=new Transform3D();
samer@1: 
samer@1: 			t.lookAt(new Point3d(0,16,20), new Point3d(0,0,0),new Vector3d(0,1,0));
samer@1: 			t.invert();
samer@1: 			VT.setTransform(t);
samer@1: 
samer@1: 			// !!! all key navigators seem to be slaved!			
samer@1: 			addKeyNavigator(VT,readwrite(VT));
samer@1: 			VT.addChild(VP);
samer@1: 			root.addChild(VT);
samer@1: 		}
samer@1: 		// setCapability(ALLOW_DETACH);
samer@1: 		// setCapability(ALLOW_CHILDREN_WRITE);
samer@1: 		// compile();
samer@1: 
samer@1: 
samer@1: 		// add two  Views on same platform
samer@1: 		new view("left",VP);
samer@1: 		new view("right",VP);
samer@1: 
samer@1: 		// root.setCapability(Group.ALLOW_CHILDREN_EXTEND);
samer@1: 		// root.setCapability(Group.ALLOW_CHILDREN_WRITE);
samer@1: 		root.compile();
samer@1: 		
samer@1: 		U.addGroup(root);
samer@1: 
samer@1: 		Shell.registerAgent(this);
samer@1: 		Shell.exposeCommands(this);
samer@1: 	}
samer@1: 
samer@1: 	public void getCommands(Agent.Registry r) { 
samer@1: 		r.add("view");
samer@1: 		r.setTarget(null); r.add("start").add("stop"); 
samer@1: 	}
samer@1: 
samer@1: 	public void execute(String cmd, Environment env) throws Exception
samer@1: 	{
samer@1: 		if (cmd.equals("view")) { 
samer@1: 			new view(X.string(env.datum("name"),"view"),VP);
samer@1: 		}
samer@1: 	}
samer@1: 
samer@1: 	private static TransformGroup createSceneGraph()
samer@1: 	{
samer@1: 		Transform3D		r=new Transform3D();
samer@1: 		// r.rotX(Math.PI/2);
samer@1: 		TransformGroup  t2=new TransformGroup(r);
samer@1: 		t2.addChild(yoyoGroup());
samer@1: 
samer@1: 		TransformGroup	tg = new TransformGroup();
samer@1: 		addRotator(tg);
samer@1: 		tg.addChild(t2);
samer@1: 		return tg;
samer@1: 	}
samer@1: 
samer@1: 	public class view extends View implements Agent
samer@1: 	{
samer@1: 		Node			node;
samer@1: 		Canvas3D		canvas;
samer@1: 		Shell.Window	win;
samer@1: 
samer@1: 		public view(String name, ViewPlatform VP)
samer@1: 		{
samer@1: 			node = new Node(name);
samer@1: 			Shell.push(node);
samer@1: 
samer@1: 			// create view bits
samer@1: 			canvas=new Canvas3D(getGraphicsConfiguration());
samer@1: 			//if (name.equals("left")) canvas.setMonoscopicViewPolicy(Canvas3D.LEFT_EYE);
samer@1: 			//else if (name.equals("right")) canvas.setMonoscopicViewPolicy(Canvas3D.RIGHT_EYE);
samer@1: 
samer@1: 			addCanvas3D(canvas);
samer@1: 			setPhysicalBody(new PhysicalBody());
samer@1: 			setPhysicalEnvironment(new PhysicalEnvironment());
samer@1: 			setWindowEyepointPolicy(View.RELATIVE_TO_WINDOW);
samer@1: 			//setWindowResizePolicy(View.VIRTUAL_WORLD);
samer@1: 			setFrontClipDistance(Shell.getDouble("front",1));
samer@1: 			setBackClipDistance(Shell.getDouble("back",10));
samer@1: 
samer@1: 			if (name.equals("left")) setMonoscopicViewPolicy(LEFT_EYE_VIEW);
samer@1: 			else if (name.equals("right")) setMonoscopicViewPolicy(RIGHT_EYE_VIEW);
samer@1: 
samer@1: 			attachViewPlatform(VP);
samer@1: 
samer@1: 			Shell.pop();
samer@1: 
samer@1: 			win=Shell.getWindow(name);
samer@1: 			win.container().add(canvas);
samer@1: 			win.expose();
samer@1: 			win.addWindowListener(new WindowAdapter() {
samer@1: 				public void windowClosing(WindowEvent e) { dispose(); }	
samer@1: 			});
samer@1: 
samer@1: 			Shell.registerAgent(this);
samer@1: 		}
samer@1: 
samer@1: 		public void dispose() 
samer@1: 		{
samer@1: 			// stopView();
samer@1: 			Shell.deregisterAgent(this);
samer@1: 			win.dispose(); 
samer@1: 		}						
samer@1: 
samer@1: 		protected void finalize() { Shell.trace("finalizing view "+this); }
samer@1: 
samer@1: 		public void getCommands(Agent.Registry r) { r.add("start").add("stop"); }
samer@1: 		public void execute(String cmd, Environment env) {
samer@1: 			if (cmd.equals("start")) { startView(); }
samer@1: 			else if (cmd.equals("stop")) { stopView(); }
samer@1: 		}
samer@1: 	}
samer@1: }