package pureimmediate;

import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.GraphicsConfiguration;
import java.awt.event.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.ColorCube;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import java.awt.GraphicsEnvironment;
import java.awt.Font;

public class PureImmediate extends Applet implements Runnable {

    private Canvas3D canvas;
    private GraphicsContext3D gc = null;
    private Geometry cube = null, cube1=null;

    Shape3D shape=new Shape3D();
    private Transform3D cmt = new Transform3D();
    Material sphereMaterial = new Material();
    Appearance sphereAppearance = new Appearance();
    private Alpha rotAlpha = new Alpha(-1, 6000);

    private SimpleUniverse u = null;

    public void render() {
        if (gc == null) {
            gc = canvas.getGraphicsContext3D();
            gc.setBufferOverride(true);
            gc.setAppearance(new Appearance());
            cube = new ColorCube(0.3).getGeometry();
            cube1=new ColorCube(0.2).getGeometry();
        }
        double angle = rotAlpha.value() * 2.0*Math.PI;
        cmt.rotY(angle);
        gc.setStereoMode(GraphicsContext3D.STEREO_LEFT);
        gc.clear();
        gc.setModelTransform(cmt);
        gc.draw(cube);
        gc.setStereoMode(GraphicsContext3D.STEREO_RIGHT);
        gc.clear();
        cmt.rotX(angle);
        cmt.rotZ(angle);
        gc.setModelTransform(cmt);
        gc.draw(cube1);
        canvas.swap();
    }
    public void run() {
        while (true) {
            render();
            Thread.yield();
        }
    }


    public PureImmediate() {
    }
    public void init() {
        setLayout(new BorderLayout());
        GraphicsConfigTemplate3D g3d = new GraphicsConfigTemplate3D();
        g3d.setStereo(GraphicsConfigTemplate3D.REQUIRED);
        GraphicsConfiguration config = GraphicsEnvironment.
                                   getLocalGraphicsEnvironment().
                                   getDefaultScreenDevice().
                                   getBestConfiguration(g3d);
        canvas = new Canvas3D(config);
        canvas.setStereoEnable(true);
        canvas.stopRenderer();
        add("Center", canvas);
   Font3D f3d = new Font3D(new Font("TestFont", Font.PLAIN, 1),
                           new FontExtrusion());
   Text3D txt = new Text3D(f3d, "I am here Testing",
                new Point3f(-1.0f, 0.0f, 2.0f));
   Appearance app=new Appearance();
   Material mat=new Material();
   app.setMaterial(mat);
   shape.setAppearance(app);
   shape.addGeometry(txt);

        u = new SimpleUniverse(canvas);
        BranchGroup group=new BranchGroup();
        group.addChild(shape);
        u.addBranchGraph(group);
        u.getViewingPlatform().setNominalViewingTransform();
        new Thread(this).start();
    }

    public void destroy() {
        u.cleanup();
    }

    public static void main(String[] args) {
        new MainFrame(new PureImmediate(), 500, 400);
    }
}