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/*
* $RCSfile$
*
* Copyright (c) 2006 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:
*
* - Redistribution 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 MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
* NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
* USING, MODIFYING OR DISTRIBUTING THIS 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 THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or
* maintenance of any nuclear facility.
*
* $Revision$
* $Date$
* $State$
*/
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
public class GearTest extends Applet {
static final int defaultToothCount = 24;
private int toothCount;
private SimpleUniverse u = null;
public BranchGroup createSceneGraph(int toothCount) {
// 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();
t3d.setScale(0.4);
objScale.setTransform(t3d);
objRoot.addChild(objScale);
// Create a bounds for the background and lights
BoundingSphere bounds =
new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
// Set up the background
Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);
Background bgNode = new Background(bgColor);
bgNode.setApplicationBounds(bounds);
objScale.addChild(bgNode);
// Set up the global lights
Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
Color3f light2Color = new Color3f(0.3f, 0.3f, 0.4f);
Vector3f light2Direction = new Vector3f(-6.0f, -2.0f, -1.0f);
Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);
AmbientLight ambientLightNode = new AmbientLight(ambientColor);
ambientLightNode.setInfluencingBounds(bounds);
objScale.addChild(ambientLightNode);
DirectionalLight light1
= new DirectionalLight(light1Color, light1Direction);
light1.setInfluencingBounds(bounds);
objScale.addChild(light1);
DirectionalLight light2
= new DirectionalLight(light2Color, light2Direction);
light2.setInfluencingBounds(bounds);
objScale.addChild(light2);
// 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);
objScale.addChild(objTrans);
// Create an Appearance.
Appearance look = new Appearance();
Color3f objColor = new Color3f(0.5f, 0.5f, 0.6f);
Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
look.setMaterial(new Material(objColor, black, objColor, white, 100.0f));
// Create a gear, add it to the scene graph.
// SpurGear gear = new SpurGear(toothCount, 1.0f, 0.2f,
SpurGear gear = new SpurGearThinBody(toothCount, 1.0f, 0.2f,
0.05f, 0.05f, 0.3f, 0.28f, look);
objTrans.addChild(gear);
// Create a new Behavior object that will rotate the object and
// add it into the scene graph.
Transform3D yAxis = new Transform3D();
Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
0, 0,
8000, 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);
// Have Java 3D perform optimizations on this scene graph.
objRoot.compile();
return objRoot;
}
public GearTest() {
this(defaultToothCount);
}
public GearTest(int toothCount) {
this.toothCount = toothCount;
}
public void init() {
setLayout(new BorderLayout());
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(toothCount);
u = new SimpleUniverse(c);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
u.addBranchGraph(scene);
}
public void destroy() {
u.cleanup();
}
//
// The following allows GearTest to be run as an application
// as well as an applet
//
public static void main(String[] args) {
int value;
if (args.length > 1) {
System.out.println("Usage: java GearTest [#teeth]");
System.exit(0);
} else if (args.length == 0) {
new MainFrame(new GearTest(), 700, 700);
} else
{
try {
value = Integer.parseInt(args[0]);
} catch (NumberFormatException e) {
System.out.println("Illegal integer specified");
System.out.println("Usage: java GearTest [#teeth]");
value = 0;
System.exit(0);
}
if (value <= 0) {
System.out.println("Integer must be positive (> 0)");
System.out.println("Usage: java GearBox [#teeth]");
System.exit(0);
}
new MainFrame(new GearTest(value), 700, 700);
}
}
}
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