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Diffstat (limited to 'src/Lightwave/Viewer.java')
| -rw-r--r-- | src/Lightwave/Viewer.java | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/src/Lightwave/Viewer.java b/src/Lightwave/Viewer.java deleted file mode 100644 index 25a6c56..0000000 --- a/src/Lightwave/Viewer.java +++ /dev/null @@ -1,207 +0,0 @@ -/* - * $RCSfile$ - * - * 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 javax.media.j3d.BranchGroup; -import javax.media.j3d.Canvas3D; -import javax.media.j3d.Transform3D; -import javax.media.j3d.TransformGroup; -import javax.media.j3d.View; -import javax.vecmath.Matrix4d; - -import com.sun.j3d.loaders.lw3d.Lw3dLoader; -import com.sun.j3d.loaders.Loader; -import com.sun.j3d.loaders.Scene; -import com.sun.j3d.utils.applet.MainFrame; -import com.sun.j3d.utils.universe.SimpleUniverse; - - -/** - * This class loads in a Lightwave3D file and displays it in an applet - * window. The application is fairly basic; a more complete version - * of a Lightwave 3D loader might incorporate features such as - * settable clip plane distances and animated views (these are both - * possible with the current Lightwave 3D loader, they just need to - * be implemented in the application). - */ -public class Viewer extends Applet { - - private java.net.URL filename; - private SimpleUniverse u; - - public Viewer(java.net.URL url) { - filename = url; - } - - public Viewer() {} - - public void init() { - if (filename == null) { - // the path to the file for an applet - try { - java.net.URL path = getCodeBase(); - filename = new java.net.URL(path.toString() + - "./ballcone.lws"); - } - catch (java.net.MalformedURLException ex) { - System.err.println(ex.getMessage()); - ex.printStackTrace(); - System.exit(1); - } - } - - // Construct the Lw3d loader and load the file - Loader lw3dLoader = new Lw3dLoader(Loader.LOAD_ALL); - Scene loaderScene = null; - try { - loaderScene = lw3dLoader.load(filename); - } - catch (Exception e) { - e.printStackTrace(); - System.exit(1); - } - - // Construct the applet canvas - setLayout(new BorderLayout()); - GraphicsConfiguration config = - SimpleUniverse.getPreferredConfiguration(); - - Canvas3D c = new Canvas3D(config); - add("Center", c); - - // Create a basic universe setup and the root of our scene - u = new SimpleUniverse(c); - BranchGroup sceneRoot = new BranchGroup(); - - // Change the back clip distance; the default is small for - // some lw3d worlds - View theView = u.getViewer().getView(); - theView.setBackClipDistance(50000f); - - // Now add the scene graph defined in the lw3d file - if (loaderScene.getSceneGroup() != null) { - // Instead of using the default view location (which may be - // completely bogus for the particular file you're loading), - // let's use the initial view from the file. We can get - // this by getting the view groups from the scene (there's - // only one for Lightwave 3D), then using the inverse of the - // transform on that view as the transform for the entire scene. - - // First, get the view groups (shouldn't be null unless there - // was something wrong in the load - TransformGroup viewGroups[] = loaderScene.getViewGroups(); - - // Get the Transform3D from the view and invert it - Transform3D t = new Transform3D(); - viewGroups[0].getTransform(t); - Matrix4d m = new Matrix4d(); - t.get(m); - m.invert(); - t.set(m); - - // Now we've got the transform we want. Create an - // appropriate TransformGroup and parent the scene to it. - // Then insert the new group into the main BranchGroup. - TransformGroup sceneTransform = new TransformGroup(t); - sceneTransform.addChild(loaderScene.getSceneGroup()); - sceneRoot.addChild(sceneTransform); - } - - // Make the scene graph live by inserting the root into the universe - u.addBranchGraph(sceneRoot); - } - - - public void destroy() { - u.cleanup(); - } - - /** - * The main method of the application takes one argument in the - * args array; the filname that you want to load. Note that the - * file must be reachable from the directory in which you're running - * this application. - */ - public static void main(String args[]) { - java.net.URL url = null; - java.net.URL pathUrl = null; - if (args.length > 0) { - try { - if ((args[0].indexOf("file:") == 0) || - (args[0].indexOf("http") == 0)) { - url = new java.net.URL(args[0]); - } - else if (args[0].charAt(0) != '/') { - url = new java.net.URL("file:./" + args[0]); - } - else { - url = new java.net.URL("file:" + args[0]); - } - } - catch (java.net.MalformedURLException ex) { - System.err.println(ex.getMessage()); - ex.printStackTrace(); - System.exit(1); - } - } - else { - // the path to the image for an application - try { - url = new java.net.URL("file:./ballcone.lws"); - } - catch (java.net.MalformedURLException ex) { - System.err.println(ex.getMessage()); - ex.printStackTrace(); - System.exit(1); - } - } - new MainFrame(new Viewer(url), 500, 500); - } -} - - - - |