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: 		immediate mode
samer@1:  */
samer@1: 
samer@1: import samer.core.*;
samer@1: import samer.core.types.*;
samer@1: import samer.tools.*;
samer@1: 
samer@1: import java.awt.event.*;
samer@1: import javax.media.j3d.*;
samer@1: import javax.vecmath.*;
samer@1: 
samer@1: public class hello11 extends util implements Agent
samer@1: {
samer@1: 	// create universe
samer@1: 	LocalUniverse	U=new LocalUniverse();
samer@1: 	BranchGroup		root=new BranchGroup();
samer@1: 	TaskThread		tasks=new TaskThread();
samer@1: 	Geometry		geom;
samer@1: 	Appearance		app;
samer@1: 				
samer@1: 	public static void main(String[] arse) { 
samer@1: 		init(); new hello11(); 
samer@1: 		Shell.interpret("expose");
samer@1: 	}
samer@1: 
samer@1: 	public hello11()
samer@1: 	{		
samer@1: 		// create scene
samer@1: 		geom = yoyoGeometryInfo(128).getGeometryArray();
samer@1: 		app  = pointy2();
samer@1: 
samer@1: 		root.addChild(new TransformGroup());
samer@1: 		root.addChild(new view("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) { r.add("view"); }
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 view(X.string(env.datum("name"),"view")));
samer@1: 		}
samer@1: 	}
samer@1: 
samer@1: 
samer@1: 	private class view extends Viewer implements Task
samer@1: 	{
samer@1: 		GraphicsContext3D	gc;
samer@1: 		float				angle=0;
samer@1: 		Transform3D			mt=new Transform3D();
samer@1: 		VDouble				speed;
samer@1: 
samer@1: 		public view(String name)
samer@1: 		{
samer@1: 			super( name); // great mate
samer@1: 			// lookFrom(new Point3d(0,0,8),new Vector3d(0,1,0));
samer@1: 			canvas.stopRenderer();
samer@1: 			tasks.addTask(this);
samer@1: 
samer@1: 			Shell.push(node);
samer@1: 			speed=new VDouble("speed",0.1);
samer@1: 			Shell.pop();
samer@1: 		}
samer@1: 
samer@1: 		public void run()
samer@1: 		{
samer@1: 			mt.rotY(angle+=speed.value);
samer@1: 			gc.clear();
samer@1: 			gc.setModelTransform(mt);
samer@1: 			gc.draw(geom);
samer@1: 			canvas.swap();
samer@1: 		}
samer@1: 
samer@1: 		public void dispose() {
samer@1: 			tasks.removeTask(this);
samer@1: 			super.dispose();
samer@1: 		}
samer@1: 
samer@1: 		public void stopping() { Shell.print("view stopping"); }
samer@1: 		public void starting() { 
samer@1: 			Shell.print("view starting"); 
samer@1: 		    if (gc==null) gc = canvas.getGraphicsContext3D();
samer@1: 		    gc.setAppearance(app);
samer@1: 		}
samer@1: 	}
samer@1: }