import java.awt.*;
import javax.swing.*;

import javax.media.j3d.*;
import javax.vecmath.*;

import com.sun.j3d.utils.universe.*;
import com.sun.j3d.utils.geometry.Box;
import com.sun.j3d.utils.behaviors.mouse.*;

public class BasicBox extends JFrame {

	public static void main (String[] argv) {
		int width = 400;
		createFrame(0, 0, width, Color.WHITE, 255);
		createFrame(width, 0, width, Color.WHITE, 128);
		createFrame(2*width, 0, width, Color.BLACK, 128);
	}

	public static void createFrame (int x, int y, int width, Color bgColor, int alpha) {
		BasicBox frame = new BasicBox("Box", bgColor);
		frame.setSize(250, 250);
		frame.addBox(0.50f, new Color(0, 128, 0, alpha), Color.WHITE);
		frame.addBox(0.25f, new Color(0, 0, 255, alpha), Color.WHITE);
		frame.addLight(new Vector3f(0f, 0f, -1f), Color.WHITE);
		frame.finish();
		frame.setSize(width, width);
		frame.setLocation(x, y);
		frame.setVisible(true);
		frame.show();
	}

	public BasicBox (String name, Color bgColor) {
		super(name);
		getContentPane().setLayout(new BorderLayout());
		GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
		Canvas3D canvas3D = new Canvas3D(config);
		universe = new SimpleUniverse(canvas3D);
		universe.getViewingPlatform().setNominalViewingTransform();
		View view = canvas3D.getView();
		view.setBackClipDistance(1e6);
		view.setFrontClipDistance(0.01);
		view.setProjectionPolicy(javax.media.j3d.View.PERSPECTIVE_PROJECTION);
		getContentPane().add("Center", canvas3D);
		root = new BranchGroup();
		Background bg = new Background(new Color3f(bgColor));
		bg.setApplicationBounds(new BoundingSphere(new Point3d(), 1e6));
		root.addChild(bg);
		trans = new TransformGroup();
		trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
		trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
		root.addChild(trans);
		addBehavior(trans, new MouseRotate());
		addBehavior(trans, new MouseTranslate());
		addBehavior(trans, new MouseZoom());
	}

	public void addBox (float w, Color faceColor, Color lineColor) {
		int transp = 255-faceColor.getAlpha();
		Appearance app = createAppearance(transp, faceColor);
		trans.addChild(new Box(w, w, w, app));
		trans.addChild(lineShape(w, lineColor));
	}

	public static Shape3D lineShape (double w, Color color) {
		Appearance app = createLineAppearance(color, 2.0);
		int stripLengths[] = {5,5,5,5,5,5};
		Point3d[][][] a = new Point3d[2][2][2];
		for (int i = 0; i < 2; i++)
			for (int j = 0; j < 2; j++)
				for (int k = 0; k < 2; k++)
					a[i][j][k] = new Point3d(-w+2*i*w, -w+2*j*w, -w+2*k*w);
		LineStripArray l = new LineStripArray(30, GeometryArray.COORDINATES, stripLengths);
		set(l, 0, a[0][0][0]); set(l, 1, a[1][0][0]); set(l, 2, a[1][1][0]); set(l, 3, a[0][1][0]); set(l, 4, a[0][0][0]);
		set(l, 5, a[0][0][1]); set(l, 6, a[1][0][1]); set(l, 7, a[1][1][1]); set(l, 8, a[0][1][1]); set(l, 9, a[0][0][1]);
		set(l, 10,a[0][0][0]); set(l, 11,a[0][1][0]); set(l, 12,a[0][1][1]); set(l, 13,a[0][0][1]); set(l, 14,a[0][0][0]);
		set(l, 15,a[1][0][0]); set(l, 16,a[1][1][0]); set(l, 17,a[1][1][1]); set(l, 18,a[1][0][1]); set(l, 19,a[1][0][0]);
		set(l, 20,a[0][0][0]); set(l, 21,a[0][0][1]); set(l, 22,a[1][0][1]); set(l, 23,a[1][0][0]); set(l, 24,a[0][0][0]);
		set(l, 25,a[0][1][0]); set(l, 26,a[0][1][1]); set(l, 27,a[1][1][1]); set(l, 28,a[1][1][0]); set(l, 29,a[0][1][0]);
		return new Shape3D(l, app);
	}

	public static void set (LineStripArray l, int i, Point3d a) {
		l.setCoordinate(i, a);
	}

	public static Appearance createLineAppearance (Color color, double lineWidth) {
		Appearance app = new Appearance();
		ColoringAttributes colorAttr = new ColoringAttributes();
		colorAttr.setColor(new Color3f(color));
		app.setColoringAttributes(colorAttr);
		PolygonAttributes polyAttr = new PolygonAttributes();
		polyAttr.setCullFace(PolygonAttributes.CULL_NONE);
		app.setPolygonAttributes(polyAttr);
		LineAttributes lineAttr = new LineAttributes();
		lineAttr.setLineWidth((float)lineWidth);
		lineAttr.setLineAntialiasingEnable(true);
		app.setLineAttributes(lineAttr);
		return app;
	}

	public static Appearance createAppearance (int transp, Color color) {
		Appearance app = new Appearance();
		Material mat = new Material();
		mat.setAmbientColor(new Color3f(color));
		mat.setDiffuseColor(new Color3f(color));
		mat.setEmissiveColor(new Color3f(color));
		mat.setSpecularColor(new Color3f(color));
		mat.setShininess(50);
		app.setMaterial(mat);
		if (transp > 0) {
			float val = Math.max(0.0f, Math.min(1.0f, (transp+1e-6f)/255f));
			TransparencyAttributes ta = new TransparencyAttributes();
			ta.setTransparencyMode(TransparencyAttributes.NICEST);
			ta.setTransparency(val);
			app.setTransparencyAttributes(ta);
		}
		return app;
	}

	public void addBehavior (TransformGroup tr, MouseBehavior b) {
		b.setTransformGroup(tr);
		b.setSchedulingBounds(new BoundingSphere(new Point3d(), 1e6));
		root.addChild(b);
	}

	public void addLight (Vector3f direction, Color color) {
		DirectionalLight light = new DirectionalLight(new Color3f(color), direction);
		light.setInfluencingBounds(new BoundingSphere(new Point3d(), 1e6));
		root.addChild(light);
	}

	public void finish () {
		universe.addBranchGraph(root);
		universe.getViewingPlatform().setNominalViewingTransform();
	}

	public static Transform3D initialLocation () {
		Matrix3d mx = new Matrix3d(); mx.rotX(-Math.PI/3);
		Matrix3d mz = new Matrix3d(); mz.rotZ(-Math.PI/6);
		Matrix3d mt = new Matrix3d(); mt.mul(mx, mz);
		Transform3D tr = new Transform3D();
		tr.setRotation(mt);
		return tr;
	}

	private SimpleUniverse universe;
	private BranchGroup root;
	private TransformGroup trans;
}