annotate examples/java3d/hello6.java @ 8:5e3cbbf173aa tip

Reorganise some more

/*
		hello6.java

		Construct universe without using SimpleUniverse 
		utility class - this puts together the view
		group explicitly.

		Now has dynamically creatable views.
		Have to construct views on BranchGroups so they
		can be added while universe is live?	
 */

import samer.core.*;
import java.awt.event.*;
import javax.media.j3d.*;
import javax.vecmath.*;

public class hello6 extends util implements Agent
{
	// create universe
	LocalUniverse	U=new LocalUniverse();
	BranchGroup		root=new BranchGroup();
	
	public static void main(String[] arse) { init(); new hello6(); }

	public hello6()
	{		
		// create scene
		root.addChild(createSceneGraph());
		// addBackground(root,new Background(0.1f,0.2f,0.15f));
		// addLights(root);
		root.addChild(new FPS(200));

		root.addChild(new Viewer("view"));
		root.setCapability(Group.ALLOW_CHILDREN_EXTEND);
		root.setCapability(Group.ALLOW_CHILDREN_WRITE);
		root.compile();
		
		U.addGroup(root);

		Shell.registerAgent(this);
		Shell.exposeCommands(this);
	}

	public void getCommands(Agent.Registry r) { 
		r.add("view");
		r.setTarget(null); r.add("start").add("stop"); 
	}

	public void execute(String cmd, Environment env) throws Exception
	{
		if (cmd.equals("view")) { 
			root.addChild(new Viewer(X.string(env.datum("name"),"view")));
		}
	}

	private static TransformGroup createSceneGraph()
	{
		Transform3D		r=new Transform3D();
		r.rotX(Math.PI/2);
		TransformGroup  t2=new TransformGroup(r);
		t2.addChild(yoyoGroup());

		TransformGroup	tg = new TransformGroup();
		addRotator(tg);
		tg.addChild(t2);
		return tg;
	}
}