Rotation.java Source code

Introduction

Here is the source code for Rotation.java

Source

// From: http://www.micg.et.fh-stralsund.de/Java3D/java3D.htm#Bild1

import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.GraphicsConfiguration;

import javax.media.j3d.Alpha;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.RotationInterpolator;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;

import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.ColorCube;
import com.sun.j3d.utils.universe.SimpleUniverse;

public class Rotation extends Applet {

    public Rotation() {
    }

    public void init() {
        setLayout(new BorderLayout());
        GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
        canvas3D = new Canvas3D(config);
        add("Center", canvas3D);
        BranchGroup szene = macheSzene();
        szene.compile();
        universe = new SimpleUniverse(canvas3D);
        universe.getViewingPlatform().setNominalViewingTransform();
        universe.addBranchGraph(szene);
    }

    /**
     * Erstellt den Szenegraphen
     * 
     * @return BranchGroup
     */
    public BranchGroup macheSzene() {
        BranchGroup objWurzel = new BranchGroup();
        // Transformation, 2 Rotationen:
        Transform3D drehung = new Transform3D();
        Transform3D drehung2 = new Transform3D();
        drehung.rotX(Math.PI / 4.0d);
        drehung2.rotY(Math.PI / 5.0d);
        drehung.mul(drehung2);
        TransformGroup objDreh = new TransformGroup(drehung);
        TransformGroup spin = new TransformGroup();
        spin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        spin.addChild(new ColorCube(0.4));
        objDreh.addChild(spin);
        objWurzel.addChild(objDreh);

        // Drehung
        Alpha spinAlpha = new Alpha(-1, 5000);
        RotationInterpolator dreher = new RotationInterpolator(spinAlpha, spin);
        BoundingSphere zone = new BoundingSphere();
        dreher.setSchedulingBounds(zone);
        spin.addChild(dreher);

        return objWurzel;
    }

    /**
     * gibt speicher frei
     */
    public void destroy() {
        universe.removeAllLocales();
    }

    public static void main(String[] args) {
        frame = new MainFrame(new Rotation(), 500, 500);
        frame.setTitle("Rotation");
    }

    //---- Attribute -----------------------
    private SimpleUniverse universe;

    private Canvas3D canvas3D;

    private static Frame frame;
}