/* * @(#)ObjLoad.java 1.4 98/04/13 12:52:24 * * Copyright (c) 1996-1998 Sun Microsystems, Inc. All Rights Reserved. * * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use, * modify and redistribute this software in source and binary code form, * provided that i) this copyright notice and license appear on all copies of * 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 * 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 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 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. * * This software is not designed or intended for use in on-line control of * aircraft, air traffic, aircraft navigation or aircraft communications; or in * the design, construction, operation or maintenance of any nuclear * facility. Licensee represents and warrants that it will not use or * redistribute the Software for such purposes. */ import com.sun.j3d.loaders.objectfile.*; import java.applet.Applet; import java.awt.BorderLayout; 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 java.awt.*; import com.sun.j3d.utils.behaviors.mouse.*; public class Text3DLoad extends Applet { private String fontName = "TestFont"; private String textString = null; public BranchGroup createSceneGraph(String args[]) { float sl = textString.length(); // 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(); // Assuming uniform size chars, set scale to fit string in view t3d.setScale(1.2/sl); objScale.setTransform(t3d); objRoot.addChild(objScale); // 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); objScale.addChild(objTrans); Font3D f3d = new Font3D(new Font(fontName, Font.PLAIN, 2), new FontExtrusion()); Text3D txt = new Text3D(f3d, textString, new Point3f( -sl/2.0f, -1.f, -1.f)); Shape3D sh = new Shape3D(); Appearance app = new Appearance(); Material mm = new Material(); mm.setLightingEnable(true); app.setMaterial(mm); sh.setGeometry(txt); sh.setAppearance(app); objTrans.addChild(sh); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); if (false) { Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 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); } else { // Create the rotate behavior node MouseRotate behavior = new MouseRotate(); behavior.setTransformGroup(objTrans); objTrans.addChild(behavior); behavior.setSchedulingBounds(bounds); // Create the zoom behavior node MouseZoom behavior2 = new MouseZoom(); behavior2.setTransformGroup(objTrans); objTrans.addChild(behavior2); behavior2.setSchedulingBounds(bounds); // Create the translate behavior node MouseTranslate behavior3 = new MouseTranslate(); behavior3.setTransformGroup(objTrans); objTrans.addChild(behavior3); behavior3.setSchedulingBounds(bounds); } // Set up the background Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f); Background bgNode = new Background(bgColor); bgNode.setApplicationBounds(bounds); objRoot.addChild(bgNode); // Set up the ambient light Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f); AmbientLight ambientLightNode = new AmbientLight(ambientColor); ambientLightNode.setInfluencingBounds(bounds); objRoot.addChild(ambientLightNode); // Set up the directional 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); DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction); light1.setInfluencingBounds(bounds); objRoot.addChild(light1); DirectionalLight light2 = new DirectionalLight(light2Color, light2Direction); light2.setInfluencingBounds(bounds); objRoot.addChild(light2); return objRoot; } private void usage() { System.out.println( "Usage: java Text3DLoad [-f fontname] "); System.exit(0); } // End of usage public Text3DLoad(String args[]) { if (args.length == 0) { usage(); } else { for (int i = 0 ; i < args.length ; i++) { if (args[i].startsWith("-")) { if (args[i].equals("-f")) { if (i < args.length - 1) { fontName = args[++i]; } else usage(); } else { System.err.println("Argument '" + args[i] + "' ignored."); } } else { textString = args[i]; } } } if (textString == null) { usage(); } setLayout(new BorderLayout()); Canvas3D c = new Canvas3D(null); add("Center", c); // Create a simple scene and attach it to the virtual universe BranchGroup scene = createSceneGraph(args); SimpleUniverse 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); } // // The following allows Text3DLoad to be run as an application // as well as an applet // public static void main(String[] args) { new MainFrame(new Text3DLoad(args), 700, 700); } }