/* * $RCSfile$ * * Copyright (c) 2005 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.*; import java.io.*; import com.sun.j3d.loaders.objectfile.ObjectFile; import com.sun.j3d.loaders.Scene; import com.sun.j3d.loaders.ParsingErrorException; import com.sun.j3d.loaders.IncorrectFormatException; public class Morphing extends Applet { private java.net.URL[] objFiles = null; private SimpleUniverse u = null; private BranchGroup createSceneGraph() { // 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 bg = new Background(bgColor); bg.setApplicationBounds(bounds); objScale.addChild(bg); // Set up the global lights Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f); Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f); Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); AmbientLight aLgt = new AmbientLight(alColor); aLgt.setInfluencingBounds(bounds); DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1); lgt1.setInfluencingBounds(bounds); objScale.addChild(aLgt); objScale.addChild(lgt1); // // Create the transform group nodes for the 3 original objects // and the morphed object. Add them to the root of the // branch graph. // TransformGroup objTrans[] = new TransformGroup[4]; for(int i=0; i<4; i++) { objTrans[i] = new TransformGroup(); objScale.addChild(objTrans[i]); } Transform3D tr = new Transform3D(); Transform3D rotX90 = new Transform3D(); rotX90.rotX(90.0 * Math.PI / 180.0); objTrans[0].getTransform(tr); tr.setTranslation(new Vector3d(-2.0, 1.5, -2.0)); tr.mul(rotX90); objTrans[0].setTransform(tr); objTrans[1].getTransform(tr); tr.setTranslation(new Vector3d(0.0, 1.5, -2.0)); tr.mul(rotX90); objTrans[1].setTransform(tr); objTrans[2].getTransform(tr); tr.setTranslation(new Vector3d(2.0, 1.5, -2.0)); tr.mul(rotX90); objTrans[2].setTransform(tr); objTrans[3].getTransform(tr); tr.setTranslation(new Vector3d(0.0, -2.0, -2.0)); tr.mul(rotX90); objTrans[3].setTransform(tr); // Now load the object files Scene s[] = new Scene[3]; GeometryArray g[] = new GeometryArray[3]; Shape3D shape[] = new Shape3D[3]; ObjectFile loader = new ObjectFile(ObjectFile.RESIZE); for(int i=0; i<3; i++) { s[i] = null; g[i] = null; shape[i] = null; } for(int i=0; i<3;i++) { try { s[i] = loader.load(objFiles[i]); } catch (FileNotFoundException e) { System.err.println(e); System.exit(1); } catch (ParsingErrorException e) { System.err.println(e); System.exit(1); } catch (IncorrectFormatException e) { System.err.println(e); System.exit(1); } BranchGroup b = s[i].getSceneGroup(); shape[i] = (Shape3D) b.getChild(0); g[i] = (GeometryArray) shape[i].getGeometry(); shape[i].setGeometry(g[i]); objTrans[i].addChild(b); } // // Create a Morph node, and set the appearance and input geometry // arrays. Set the Morph node's capability bits to allow the weights // to be modified at runtime. // Appearance app = new Appearance(); Color3f objColor = new Color3f(1.0f, 0.7f, 0.8f); Color3f black = new Color3f(0.0f, 0.0f, 0.0f); app.setMaterial(new Material(objColor, black, objColor, black, 80.0f)); Morph morph = new Morph(g, app); morph.setCapability(Morph.ALLOW_WEIGHTS_READ); morph.setCapability(Morph.ALLOW_WEIGHTS_WRITE); objTrans[3].addChild(morph); // Now create the Alpha object that controls the speed of the // morphing operation. Alpha morphAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 2000, 1000, 200, 2000, 1000, 200); // Finally, create the morphing behavior MorphingBehavior mBeh = new MorphingBehavior(morphAlpha, morph); mBeh.setSchedulingBounds(bounds); objScale.addChild(mBeh); return objRoot; } public Morphing() {} public Morphing(java.net.URL[] urls) { objFiles = urls; } public void init() { if (objFiles == null) { objFiles = new java.net.URL[3]; // the path to the image for an applet String path = getCodeBase().toString(); try { objFiles[0] = new java.net.URL(path + "hand1.obj"); objFiles[1] = new java.net.URL(path + "hand2.obj"); objFiles[2] = new java.net.URL(path + "hand3.obj"); } catch (java.net.MalformedURLException ex) { System.out.println(ex.getMessage()); System.exit(1); } } 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(); 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(); } public static void main(String[] args) { java.net.URL[] urls = new java.net.URL[3]; // the path to the image file for an application try { urls[0] = new java.net.URL("file:./hand1.obj"); urls[1] = new java.net.URL("file:./hand2.obj"); urls[2] = new java.net.URL("file:./hand3.obj"); } catch (java.net.MalformedURLException ex) { System.out.println(ex.getMessage()); System.exit(1); } new MainFrame(new Morphing(urls), 700, 700); } }