view examples/java3d/hello9.java @ 8:5e3cbbf173aa tip

Reorganise some more

/*
		hello9.java

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

		Shading
 */

import samer.core.*;
import java.awt.event.*;
import java.awt.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.geometry.*;

public class hello9 extends util implements Agent
{
	// create universe
	LocalUniverse	U=new LocalUniverse();
	BranchGroup		root=new BranchGroup();
	
	public static void main(String[] arse) { init(); new hello9(); }

	public hello9()
	{		
		// create scene
		// root.addChild(pointLight(2,2,2,new Color3f(1f,1f,1f)));
		root.addChild(color(pointLight(0,1,0),new Color3f(.2f,.1f,0.1f)));
		root.addChild(directionalLight(6,-1,4));
		root.addChild(ambientLight());

		root.addChild(createSceneGraph());
		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);
	}

	private static Group createSceneGraph()
	{
		Transform3D		r=new Transform3D();
		r.rotX(1.1);
		r.setScale(0.5);

		TransformGroup  t2=new TransformGroup(r);
		GeometryInfo gi=yoyoGeometryInfo(32);
		new NormalGenerator().generateNormals(gi);

		Geometry g=gi.getGeometryArray();
		Shape3D faces=new Shape3D();
		Shape3D edges=new Shape3D();
		faces.setGeometry(g); faces.setAppearance(material1()); 
		edges.setGeometry(g); edges.setAppearance(shadedwireframe());

		TransformGroup	tg = new TransformGroup();
		addRotator(tg);
		t2.addChild(faces);
		t2.addChild(edges);
		tg.addChild(t2);

		return tg;
	}

	public void getCommands(Agent.Registry r) { 
		r.add("view").add("axis");
		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")));
		} else if (cmd.equals("axis")) {
			Transform3D t3d=new Transform3D();
			t3d.set(0.5);

			TransformGroup tg=new TransformGroup(t3d);
			BranchGroup bg=new BranchGroup();
			Axis axis=new Axis();

			axis.setAppearance(wireframe1());
			tg.addChild(axis);
			bg.addChild(tg);
			bg.compile();
			root.addChild(bg);
		}

	}
}