import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import org.jogamp.java3d.Appearance;
import org.jogamp.java3d.BranchGroup;
import org.jogamp.java3d.Canvas3D;
import org.jogamp.java3d.ColoringAttributes;
import org.jogamp.java3d.LineAttributes;
import org.jogamp.java3d.PolygonAttributes;
import org.jogamp.java3d.Transform3D;
import org.jogamp.java3d.TransformGroup;
import org.jogamp.java3d.utils.geometry.Box;
import org.jogamp.java3d.utils.universe.SimpleUniverse;
import org.jogamp.vecmath.Color3f;
import org.jogamp.vecmath.Vector3f;

/**
 * SSCCE showing distortian of geometry.
 * @author basti
 */
public class TestWith3Boxes extends JFrame {
    
    public static void main(String[] args) {
        new TestWith3Boxes().setVisible(true);
    }
    
    private final float boxSize = 0.5f;
    private final Vector3f cameraPos = new Vector3f(0f, 0f, 10f);
    private final double backClipDistance = 10d;
    private final Color3f white = new Color3f(1f, 1f, 1f);
    private final Color3f red = new Color3f(1f, 0f, 0f);
    private final Color3f blue = new Color3f(0f, 0f, 1f);
    private final Dimension windowSize = new Dimension(500, 500);
    
    private final Canvas3D canvas;
    private final SimpleUniverse simpleUniverse;
    private final BranchGroup root;
    private final Transform3D t3dCamera;
    private final TransformGroup tgCamera;
    
    public TestWith3Boxes() {
        System.setProperty("sun.awt.noerasebackground", "true");
        
        this.canvas = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
        this.root = new BranchGroup();
        this.simpleUniverse = new SimpleUniverse(canvas);
        this.t3dCamera = new Transform3D();
        this.tgCamera = simpleUniverse.getViewingPlatform()
                .getViewPlatformTransform();
        
        addBox(blue, new Vector3f(-1f, 0f, 0f));
        addBox(white, new Vector3f(0f, 0f, 0f));
        addBox(red, new Vector3f(1f, 0f, 0f));
        
        setCameraPosition();
        simpleUniverse.addBranchGraph(root);
        initCanvas();
        initFrame();
    }

    private void addBox(Color3f color, Vector3f pos) {
	/* Note: ColoringAttributes, PolygonAttributes and LineAttributes 
                 are only set to be able to differentiate the cubes.
		 New instances for each cube are created to rule out any
		 side effects from reusing them. */

        Appearance appearance = new Appearance();
        ColoringAttributes coloringAttributes = new ColoringAttributes(color, 
                ColoringAttributes.FASTEST);
        PolygonAttributes polygonAttributes = new PolygonAttributes();
        LineAttributes lineAttributes = new LineAttributes();
        Box box = new Box(boxSize, boxSize, boxSize, appearance);
        TransformGroup tg = new TransformGroup();
        Transform3D t3d = new Transform3D();
        
        polygonAttributes.setPolygonMode(PolygonAttributes.POLYGON_LINE);
        appearance.setPolygonAttributes(polygonAttributes);
        appearance.setLineAttributes(lineAttributes);
        appearance.setColoringAttributes(coloringAttributes);
        t3d.setTranslation(pos);
        tg.setTransform(t3d);
        tg.addChild(box);
        root.addChild(tg);
    }

    private void setCameraPosition() {
        t3dCamera.setTranslation(cameraPos);
        tgCamera.setTransform(t3dCamera);
    }

    private void initCanvas() {
        canvas.getView().setBackClipDistance(backClipDistance);
        canvas.setDoubleBufferEnable(true);
        add(canvas, BorderLayout.CENTER);
    }
    
    private void initFrame() {
        setTitle("Box Test Scene");
        setPreferredSize(windowSize);
        pack();
        setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
        addWindowListener(new WindowAdapter() {
            @Override
            public void windowClosing(WindowEvent e) {
                super.windowClosing(e);
                simpleUniverse.cleanup();
                dispose();
            }
        });
    }
}