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 samer.maths.*;
samer@1: import java.io.*;
samer@1: import java.awt.event.*;
samer@1: import javax.media.j3d.*;
samer@1: import javax.vecmath.*;
samer@1: 
samer@1: public class hello12 extends util implements Agent
samer@1: {
samer@1: 	// create universe
samer@1: 	LocalUniverse	U=new LocalUniverse();
samer@1: 	BranchGroup		root=new BranchGroup();
samer@1: 	Viewer			V;
samer@1: 		
samer@1: 	public static void main(String[] arse) throws Exception 
samer@1: 	{ 
samer@1: 		init(); 
samer@1: 		
samer@1: 		Matrix P=new Matrix("points",512,3);
samer@1: 		VVector A=new VVector("s",512);
samer@1: 
samer@1: 		P.assign(
samer@1: 			Jama.Matrix.read(
samer@1: 				new BufferedReader(
samer@1: 					new FileReader(Shell.getString("filename",""))
samer@1: 				)
samer@1: 			)
samer@1: 		);
samer@1: 
samer@1: 		new hello12(P,A); 
samer@1: 		Shell.interpret("expose");
samer@1: 	}
samer@1: 
samer@1: 	public hello12(String vec) throws Exception
samer@1: 	{
samer@1: 		this(
samer@1: 			(Matrix)Shell.get("PointsMatrix"),
samer@1: 			(VVector)Shell.get(vec)
samer@1: 		);
samer@1: 	}
samer@1: 
samer@1: 	public hello12(Matrix P, VVector A) throws Exception
samer@1: 	{		
samer@1: 		Shell.print("creating hello12");
samer@1: 
samer@1: 		// create scene
samer@1: 		addBackground(root,new Background(new Color3f(0.26f,0.23f,0.35f)));
samer@1: 		root.addChild( mouseRotaterGroup(
samer@1: 			new Shape3D(new MatrixPointArray(P,A), pointy3())
samer@1: 		));
samer@1: 
samer@1: 		root.addChild(new Viewer("particles"));
samer@1: 		root.addChild(new FPS(200));
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: 	public void execute(String cmd, Environment env) throws Exception {}
samer@1: 	
samer@1: 	private static Group mouseRotaterGroup(javax.media.j3d.Node n)
samer@1: 	{
samer@1: 		TransformGroup	tg = new TransformGroup();
samer@1: 		mouseRotate(tg);
samer@1: 		mouseTranslate(tg);
samer@1: 		mouseZoom(tg);
samer@1: 		tg.addChild(n);
samer@1: 		return tg;
samer@1: 	}
samer@1: 
samer@1: 
samer@1: }