view examples/java3d/hello12.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 samer.maths.*;
import java.io.*;
import java.awt.event.*;
import javax.media.j3d.*;
import javax.vecmath.*;

public class hello12 extends util implements Agent
{
	// create universe
	LocalUniverse	U=new LocalUniverse();
	BranchGroup		root=new BranchGroup();
	Viewer			V;
		
	public static void main(String[] arse) throws Exception 
	{ 
		init(); 
		
		Matrix P=new Matrix("points",512,3);
		VVector A=new VVector("s",512);

		P.assign(
			Jama.Matrix.read(
				new BufferedReader(
					new FileReader(Shell.getString("filename",""))
				)
			)
		);

		new hello12(P,A); 
		Shell.interpret("expose");
	}

	public hello12(String vec) throws Exception
	{
		this(
			(Matrix)Shell.get("PointsMatrix"),
			(VVector)Shell.get(vec)
		);
	}

	public hello12(Matrix P, VVector A) throws Exception
	{		
		Shell.print("creating hello12");

		// create scene
		addBackground(root,new Background(new Color3f(0.26f,0.23f,0.35f)));
		root.addChild( mouseRotaterGroup(
			new Shape3D(new MatrixPointArray(P,A), pointy3())
		));

		root.addChild(new Viewer("particles"));
		root.addChild(new FPS(200));
		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) { }
	public void execute(String cmd, Environment env) throws Exception {}
	
	private static Group mouseRotaterGroup(javax.media.j3d.Node n)
	{
		TransformGroup	tg = new TransformGroup();
		mouseRotate(tg);
		mouseTranslate(tg);
		mouseZoom(tg);
		tg.addChild(n);
		return tg;
	}


}