annotate examples/java3d/hello5.java @ 8:5e3cbbf173aa tip

Reorganise some more

/*
		hello5.java

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

import samer.core.*;
import javax.media.j3d.*;
import javax.vecmath.*;

public class hello5 extends util implements Agent
{
	Canvas3D canvas;

	public static void main(String[] args) { init(); new hello5(); }

	public hello5()
	{		
		// create universe
		LocalUniverse	U=new LocalUniverse();
		BranchGroup		root=new BranchGroup();

		// create scene
		root.addChild(createSceneGraph());
		// addBackground(root,new Background(0.1f,0.2f,0.15f));
		// addLights(root);

		// create view bits
		canvas=new Canvas3D(getGraphicsConfiguration());
		
		TransformGroup	VT=new TransformGroup();
		ViewPlatform	VP=new ViewPlatform();
		View			V=new View();

		{
			Transform3D		t=new Transform3D();
			t.set(new Vector3d(0.0,0.0,8.0));
			VT.setTransform(t);
		}
		
		addKeyNavigator(VT,readwrite(VT));
		VT.addChild(VP);
		V.addCanvas3D(canvas);
		V.attachViewPlatform(VP);
		V.setPhysicalBody(new PhysicalBody());
		V.setPhysicalEnvironment(new PhysicalEnvironment());

		root.addChild(VT);
		root.compile();

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

		// setViewPolicy(canvas.getView());
		expose(canvas,"hello");
		U.addGroup(root);
	}

	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;
	}

	public void getCommands(Agent.Registry r) { r.add("start").add("stop"); }
	public void execute(String cmd, Environment env) {
		if (cmd.equals("start")) { canvas.startRenderer(); }
		else if (cmd.equals("stop")) { canvas.stopRenderer(); }
	}

}