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/*
* $RCSfile$
*
* Copyright (c) 2007 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.
*
* $Revision$
* $Date$
* $State$
*/
package org.jdesktop.j3d.examples.lod;
import java.awt.GraphicsConfiguration;
import org.jogamp.java3d.AmbientLight;
import org.jogamp.java3d.BoundingSphere;
import org.jogamp.java3d.BranchGroup;
import org.jogamp.java3d.Canvas3D;
import org.jogamp.java3d.DirectionalLight;
import org.jogamp.java3d.DistanceLOD;
import org.jogamp.java3d.Switch;
import org.jogamp.java3d.TransformGroup;
import org.jogamp.java3d.utils.behaviors.vp.OrbitBehavior;
import org.jogamp.java3d.utils.geometry.Sphere;
import org.jogamp.java3d.utils.universe.SimpleUniverse;
import org.jogamp.java3d.utils.universe.ViewingPlatform;
import org.jogamp.vecmath.Color3f;
import org.jogamp.vecmath.Point3d;
import org.jogamp.vecmath.Vector3f;
/**
* Simple Java 3D example program to display a spinning cube.
*/
public class LOD extends javax.swing.JFrame {
private SimpleUniverse univ = null;
private BranchGroup scene = null;
public BranchGroup createSceneGraph() {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
createLights(objRoot);
// 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);
objRoot.addChild(objTrans);
// Create a switch to hold the different levels of detail
Switch sw = new Switch(0);
sw.setCapability(Switch.ALLOW_SWITCH_READ);
sw.setCapability(Switch.ALLOW_SWITCH_WRITE);
// Create several levels for the switch, with less detailed
// spheres for the ones which will be used when the sphere is
// further away
sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 40));
sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 20));
sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 10));
sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 3));
// Add the switch to the main group
objTrans.addChild(sw);
BoundingSphere bounds =
new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
// set up the DistanceLOD behavior
float[] distances = new float[3];
distances[0] = 5.0f;
distances[1] = 10.0f;
distances[2] = 25.0f;
DistanceLOD lod = new DistanceLOD(distances);
lod.addSwitch(sw);
lod.setSchedulingBounds(bounds);
objTrans.addChild(lod);
// Have Java 3D perform optimizations on this scene graph.
objRoot.compile();
return objRoot;
}
private void createLights(BranchGroup graphRoot) {
// Create a bounds for the light source influence
BoundingSphere bounds =
new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
// Set up the global, ambient light
Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);
AmbientLight aLgt = new AmbientLight(alColor);
aLgt.setInfluencingBounds(bounds);
graphRoot.addChild(aLgt);
// Set up the directional (infinite) light source
Color3f lColor1 = new Color3f(0.9f, 0.9f, 0.9f);
Vector3f lDir1 = new Vector3f(1.0f, 1.0f, -1.0f);
DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
lgt1.setInfluencingBounds(bounds);
graphRoot.addChild(lgt1);
}
private Canvas3D createUniverse() {
// Get the preferred graphics configuration for the default screen
GraphicsConfiguration config =
SimpleUniverse.getPreferredConfiguration();
// Create a Canvas3D using the preferred configuration
Canvas3D c = new Canvas3D(config);
// Create simple universe with view branch
univ = new SimpleUniverse(c);
// only add zoom mouse behavior to viewingPlatform
ViewingPlatform viewingPlatform = univ.getViewingPlatform();
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
viewingPlatform.setNominalViewingTransform();
// add orbit behavior to the ViewingPlatform, but disable rotate
// and translate
OrbitBehavior orbit = new OrbitBehavior(c,
OrbitBehavior.REVERSE_ZOOM |
OrbitBehavior.DISABLE_ROTATE |
OrbitBehavior.DISABLE_TRANSLATE);
BoundingSphere bounds =
new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
orbit.setSchedulingBounds(bounds);
viewingPlatform.setViewPlatformBehavior(orbit);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
univ.getViewingPlatform().setNominalViewingTransform();
// Ensure at least 5 msec per frame (i.e., < 200Hz)
univ.getViewer().getView().setMinimumFrameCycleTime(5);
return c;
}
/**
* Creates new form LOD
*/
public LOD() {
// Initialize the GUI components
initComponents();
// Create Canvas3D and SimpleUniverse; add canvas to drawing panel
Canvas3D c = createUniverse();
drawingPanel.add(c, java.awt.BorderLayout.CENTER);
// Create the content branch and add it to the universe
scene = createSceneGraph();
univ.addBranchGraph(scene);
}
// ----------------------------------------------------------------
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
private void initComponents() {
drawingPanel = new javax.swing.JPanel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("LOD");
drawingPanel.setLayout(new java.awt.BorderLayout());
drawingPanel.setPreferredSize(new java.awt.Dimension(700, 700));
getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER);
pack();
}// </editor-fold>//GEN-END:initComponents
/**
* @param args the command line arguments
*/
public static void main(String args[]) {System.setProperty("sun.awt.noerasebackground", "true");
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new LOD().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JPanel drawingPanel;
// End of variables declaration//GEN-END:variables
}
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