Mega Code Archive
Text3DApp renders a single, rotating Text3D Object
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/*
* @(#)Text3DApp.java 1.0 99/04/21
*
* Copyright (c) 1996-1999 Sun Microsystems, Inc. All Rights Reserved.
*
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* modify and redistribute this software in source and binary code form,
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* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
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* 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
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import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.Frame;
import javax.media.j3d.Alpha;
import javax.media.j3d.AmbientLight;
import javax.media.j3d.Appearance;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.ColoringAttributes;
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.Vector3f;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.SimpleUniverse;
/*
* Text3DApp renders a single, rotating Text3D Object. The Text3D object has
* material properties specified along with lights so that the Text3D object is
* shaded.
*/
public class Text3DApp extends Applet {
public BranchGroup createSceneGraph() {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
Transform3D t3D = new Transform3D();
t3D.setTranslation(new Vector3f(0.0f, 0.0f, -3.0f));
TransformGroup objMove = new TransformGroup(t3D);
objRoot.addChild(objMove);
// Create the transform group node and initialize it to the
// identity. Add it to the root of the subgraph.
TransformGroup objSpin = new TransformGroup();
objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objMove.addChild(objSpin);
Appearance textAppear = new Appearance();
ColoringAttributes textColor = new ColoringAttributes();
textColor.setColor(1.0f, 0.0f, 0.0f);
textAppear.setColoringAttributes(textColor);
textAppear.setMaterial(new Material());
// Create a simple shape leaf node, add it to the scene graph.
Font3D font3D = new Font3D(new Font("Helvetica", Font.PLAIN, 1),
new FontExtrusion());
Text3D textGeom = new Text3D(font3D, new String("3DText"));
textGeom.setAlignment(Text3D.ALIGN_CENTER);
Shape3D textShape = new Shape3D();
textShape.setGeometry(textGeom);
textShape.setAppearance(textAppear);
objSpin.addChild(textShape);
// Create a new Behavior object that will perform the desired
// operation on the specified transform object and add it into
// the scene graph.
Alpha rotationAlpha = new Alpha(-1, 10000);
RotationInterpolator rotator = new RotationInterpolator(rotationAlpha,
objSpin);
// a bounding sphere specifies a region a behavior is active
// create a sphere centered at the origin with radius of 100
BoundingSphere bounds = new BoundingSphere();
rotator.setSchedulingBounds(bounds);
objSpin.addChild(rotator);
DirectionalLight lightD = new DirectionalLight();
lightD.setInfluencingBounds(bounds);
lightD.setDirection(new Vector3f(0.0f, 0.0f, -1.0f));
lightD.setColor(new Color3f(1.0f, 0.0f, 1.0f));
objMove.addChild(lightD);
AmbientLight lightA = new AmbientLight();
lightA.setInfluencingBounds(bounds);
objMove.addChild(lightA);
return objRoot;
} // end of CreateSceneGraph method
public Text3DApp() {
setLayout(new BorderLayout());
Canvas3D canvas3D = new Canvas3D(null);
canvas3D.setStereoEnable(false);
add("Center", canvas3D);
BranchGroup scene = createSceneGraph();
// SimpleUniverse is a Convenience Utility class
SimpleUniverse simpleU = new SimpleUniverse(canvas3D);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
simpleU.getViewingPlatform().setNominalViewingTransform();
simpleU.addBranchGraph(scene);
} // end of Text3DApp (constructor)
// The following allows this to be run as an application
// as well as an applet
public static void main(String[] args) {
System.out
.println("Text3DApp.java - a demonstration of Text3D in Java 3D");
System.out.println("The scene is of a rotating Text3D object.");
System.out.println("The Java 3D Tutorial is available on the web at:");
System.out.println("http://www.sun.com/desktop/java3d/collateral");
Frame frame = new MainFrame(new Text3DApp(), 256, 256);
} // end of main (method of Text3DApp)
} // end of class Text3DApp
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