samer@1: /*
samer@1: 		hello6.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.
samer@1: 		Have to construct views on BranchGroups so they
samer@1: 		can be added while universe is live?	
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: public class hello6 extends util implements Agent
samer@1: {
samer@1: 	// create universe
samer@1: 	LocalUniverse	U=new LocalUniverse();
samer@1: 	BranchGroup		root=new BranchGroup();
samer@1: 	
samer@1: 	public static void main(String[] arse) { init(); new hello6(); }
samer@1: 
samer@1: 	public hello6()
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: 		root.addChild(new FPS(200));
samer@1: 
samer@1: 		root.addChild(new Viewer("view"));
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: 			root.addChild(new Viewer(X.string(env.datum("name"),"view")));
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: }