package elte.java2_utikalauz5.java3d;

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

/**
3D szöveg megjelenítése egy ablakban.
<P align="center"><IMG src="{@docRoot}/../data/java3d/img/Text3DDemo.gif"></P>

@link.forrásfájl {@docRoot}/../data/java3d/src Text3DDemo.java
@link.letöltés {@docRoot}/../data/java3d Text3DDemo.jar
@since Java 2 Útikalauz programozóknak 5.0
*/
class Text3DDemo extends Frame {

    /** Verziószám */
    private final static long serialVersionUID = 15L;

	public static void main(String[] args)
	{
		new Text3DDemo();
	}

	public Text3DDemo()
	{
		super("Text3DDemo");
        enableEvents(java.awt.AWTEvent.WINDOW_EVENT_MASK);

		GraphicsConfiguration config = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getBestConfiguration(new GraphicsConfigTemplate3D());
		Canvas3D c = new Canvas3D(config);
		add(c);

		UniverseBuilder u = new UniverseBuilder(c);
		BranchGroup scene = createSceneGraph();
		u.addBranchGraph(scene);

		setSize(300,400);
		setVisible(true);
	}

        /**
        Ablakesemény feldolgozása, bezáráskor kilépés.

        @param esemény A fellépett esemény
        */
        @Override
        protected void processWindowEvent(java.awt.event.WindowEvent esemény) {
            if (esemény.getID() == esemény.WINDOW_CLOSING) System.exit(0);
            super.processWindowEvent( esemény );
        }

	public BranchGroup createSceneGraph()
	{
		BranchGroup branchGroup = new BranchGroup();
		TransformGroup transformGroup = new TransformGroup();

		Font3D font3d = new Font3D(new Font("TestFont", Font.PLAIN, 1),new FontExtrusion());
		Text3D text3D = new Text3D(font3d, new String("TEXT3D"),new Point3f(0.0f, -1.0f, 0.0f),Text3D.ALIGN_CENTER,Text3D.PATH_DOWN);
		Shape3D shape3D = new Shape3D(text3D);

		transformGroup.addChild(shape3D);
		transformGroup.addChild(new Axes().getShape());
		branchGroup.addChild(transformGroup);
		return branchGroup;
	}

class UniverseBuilder {
	Locale			locale;

	UniverseBuilder(Canvas3D c)
	{
		Transform3D t = new Transform3D();
		Transform3D t2 = new Transform3D();
		t2.setEuler( new Vector3d(-30.0*(Math.PI/180.0),45.0*(Math.PI/180.0),0.0));
		t.set(4,new Vector3d(6.0,5.0,6.0));
		t.mul(t,t2);

		VirtualUniverse	universe = new VirtualUniverse();
		locale = new Locale(universe);

		PhysicalBody body = new PhysicalBody();
		PhysicalEnvironment environment = new PhysicalEnvironment();
		BranchGroup viewPlatformBranchGroup = new BranchGroup();
		TransformGroup viewPlatformTransformGroup = new TransformGroup(t);
		ViewPlatform viewPlatform = new ViewPlatform();

		View view = new View();
		view.addCanvas3D(c);
		view.setPhysicalBody(body);
		view.setPhysicalEnvironment(environment);
		view.attachViewPlatform(viewPlatform);

		viewPlatformTransformGroup.addChild(viewPlatform);
		viewPlatformBranchGroup.addChild(viewPlatformTransformGroup);
		locale.addBranchGraph(viewPlatformBranchGroup);
	}

	void addBranchGraph(BranchGroup bg)
	{
		locale.addBranchGraph(bg);
	}
}


class Axes {
	double verts[] = {
		0.0, 0.0, 0.0,
		4.0, 0.0, 0.0,

		0.0, 0.0, 0.0,
		0.0, 4.0, 0.0,

		0.0, 0.0, 0.0,
		0.0, 0.0, 4.0,
	};

	float[] colors = {
		1.0f, 0.0f, 0.0f,
		0.0f, 1.0f, 0.0f,

		0.0f, 0.0f, 1.0f,
		1.0f, 1.0f, 0.0f,

		1.0f, 0.0f, 0.0f,
		0.0f, 1.0f, 0.0f,
	};

	private Shape3D shape;

	public Axes()
	{
		LineArray lines = new LineArray(6, LineArray.COORDINATES | LineArray.COLOR_3);

		lines.setCoordinates(0, verts);
		lines.setColors(0, colors);

		shape = new Shape3D(lines, new Appearance());
	}

	public Shape3D getShape()
	{
		return shape;
	}
}
}