Text 3D Load : Text 3D « 3D « Java





Text 3D Load

Text 3D Load
/*
 * @(#)Text3DLoad.java 1.19 02/10/21 13:56:22
 * 
 * Copyright (c) 1996-2002 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *  - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *  - Redistribution in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGES.
 * 
 * You acknowledge that Software is not designed,licensed or intended for use in
 * the design, construction, operation or maintenance of any nuclear facility.
 */

import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Font;
import java.awt.GraphicsConfiguration;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.media.j3d.Alpha;
import javax.media.j3d.AmbientLight;
import javax.media.j3d.Appearance;
import javax.media.j3d.Background;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.DirectionalLight;
import javax.media.j3d.Font3D;
import javax.media.j3d.FontExtrusion;
import javax.media.j3d.Material;
import javax.media.j3d.RotationInterpolator;
import javax.media.j3d.Shape3D;
import javax.media.j3d.Text3D;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Color3f;
import javax.vecmath.Point3d;
import javax.vecmath.Point3f;
import javax.vecmath.Vector3f;

import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.behaviors.vp.OrbitBehavior;
import com.sun.j3d.utils.universe.SimpleUniverse;
import com.sun.j3d.utils.universe.ViewingPlatform;

public class Text3DLoad extends Applet implements ActionListener {

  private String fontName = "TestFont";

  private String textString = null;

  private double tessellation = 0.0;

  private SimpleUniverse u;

  private Button button;

  private boolean behaviorsOn = false;

  private OrbitBehavior orbit;

  public BranchGroup createSceneGraph() {
    float sl = textString.length();
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Transformgroup to scale all objects so they
    // appear in the scene.
    TransformGroup objScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    // Assuming uniform size chars, set scale to fit string in view
    t3d.setScale(1.2 / sl);
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objScale.addChild(objTrans);

    Font3D f3d;
    if (tessellation > 0.0) {
      f3d = new Font3D(new Font(fontName, Font.PLAIN, 2), tessellation,
          new FontExtrusion());
    } else {
      f3d = new Font3D(new Font(fontName, Font.PLAIN, 2),
          new FontExtrusion());
    }
    Text3D txt = new Text3D(f3d, textString, new Point3f(-sl / 2.0f, -1.f,
        -1.f));
    Shape3D sh = new Shape3D();
    Appearance app = new Appearance();
    Material mm = new Material();
    mm.setLightingEnable(true);
    app.setMaterial(mm);
    sh.setGeometry(txt);
    sh.setAppearance(app);
    objTrans.addChild(sh);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
        100.0);

    if (false) {
      Transform3D yAxis = new Transform3D();
      Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0,
          4000, 0, 0, 0, 0, 0);

      RotationInterpolator rotator = new RotationInterpolator(
          rotationAlpha, objTrans, yAxis, 0.0f,
          (float) Math.PI * 2.0f);
      rotator.setSchedulingBounds(bounds);
      objTrans.addChild(rotator);
    }

    // Set up the background
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f);
    Background bgNode = new Background(bgColor);
    bgNode.setApplicationBounds(bounds);
    objRoot.addChild(bgNode);

    // Set up the ambient light
    Color3f ambientColor = new Color3f(0.3f, 0.3f, 0.3f);
    AmbientLight ambientLightNode = new AmbientLight(ambientColor);
    ambientLightNode.setInfluencingBounds(bounds);
    objRoot.addChild(ambientLightNode);

    // Set up the directional lights
    Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light1Direction = new Vector3f(1.0f, 1.0f, 1.0f);
    Color3f light2Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light2Direction = new Vector3f(-1.0f, -1.0f, -1.0f);

    DirectionalLight light1 = new DirectionalLight(light1Color,
        light1Direction);
    light1.setInfluencingBounds(bounds);
    objRoot.addChild(light1);

    DirectionalLight light2 = new DirectionalLight(light2Color,
        light2Direction);
    light2.setInfluencingBounds(bounds);
    objRoot.addChild(light2);

    return objRoot;
  }

  private void usage() {
    System.out
        .println("Usage: java Text3DLoad [-f fontname] [-t tessellation] [<text>]");
    System.exit(0);
  } // End of usage

  public Text3DLoad() {
  }

  public Text3DLoad(String args[]) {

    if (args.length == 0) {
      //     usage();
      textString = "Java3D";
    } else {
      for (int i = 0; i < args.length; i++) {
        if (args[i].startsWith("-")) {
          if (args[i].equals("-f")) {
            if (i < args.length - 1) {
              fontName = args[++i];
            } else {
              usage();
            }
          } else if (args[i].equals("-t")) {
            if (i < args.length - 1) {
              tessellation = Double.parseDouble(args[++i]);
            } else {
              usage();
            }
          } else {
            System.err.println("Argument '" + args[i]
                + "' ignored.");
          }
        } else {
          textString = args[i];
        }
      }
    }

    if (textString == null) {
      usage();
    }

  }

  public void init() {

    if (textString == null) {
      textString = "Java3D";
    }
    setLayout(new BorderLayout());

    button = new Button("remove behaviors");
    button.addActionListener(this);
    Panel p = new Panel();
    p.add(button);
    add("South", p);

    GraphicsConfiguration config = SimpleUniverse
        .getPreferredConfiguration();

    Canvas3D c = new Canvas3D(config);
    add("Center", c);

    // Create a simple scene and attach it to the virtual universe
    BranchGroup scene = createSceneGraph();

    // create a SimpleUniverse with 4 TransformGroups for the mouse
    // behaviors
    u = new SimpleUniverse(c);

    // add the behaviors to the ViewingPlatform
    ViewingPlatform viewingPlatform = u.getViewingPlatform();

    viewingPlatform.setNominalViewingTransform();

    // add orbit behavior to ViewingPlatform
    orbit = new OrbitBehavior(c, OrbitBehavior.REVERSE_ALL
        | OrbitBehavior.STOP_ZOOM);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
        100.0);
    orbit.setSchedulingBounds(bounds);
    viewingPlatform.setViewPlatformBehavior(orbit);

    behaviorsOn = true;

    u.addBranchGraph(scene);
  }

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

  public void actionPerformed(ActionEvent e) {
    if (e.getSource() == button) {
      ViewingPlatform v = u.getViewingPlatform();
      if (behaviorsOn) {
        v.setViewPlatformBehavior(null);
        button.setLabel("add behaviors");
        behaviorsOn = false;
      } else {
        v.setViewPlatformBehavior(orbit);
        button.setLabel("remove behaviors");
        behaviorsOn = true;
      }
    }
  }

  //
  // The following allows Text3DLoad to be run as an application
  // as well as an applet
  //
  public static void main(String[] args) {
    new MainFrame(new Text3DLoad(args), 700, 700);
  }
}


           
       










Related examples in the same category

1.Text3DApp renders a single, rotating Text3D ObjectText3DApp renders a single, rotating Text3D Object
2.ExText - illustrate use of 3D textExText - illustrate use of 3D text
3.Text 3D GeometryText 3D Geometry
4.Text3D BoundsText3D Bounds
5.Renders a Java 3D 3D Text objects with a custom extrusionRenders a Java 3D 3D Text objects with a custom extrusion