Java tutorial
/* * MaterialApp.java 1.0 99/04/13 * * Copyright (c) 1999 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. */ /* * This application illustates differences in setting the material properties to * different shininess values for visual objects. * * The scene is of nine spheres and one light source. * * This application (or a version of it) generated one or more of the images in * Chapter 6 of Getting Started with the Java 3D API. The Java 3D Turtorial. * * See http://www.sun.com/desktop/java3d/collateral for more information. * */ import java.applet.Applet; import java.awt.BorderLayout; import javax.media.j3d.AmbientLight; import javax.media.j3d.Appearance; import javax.media.j3d.Background; import javax.media.j3d.BoundingSphere; import javax.media.j3d.BranchGroup; import javax.media.j3d.Canvas3D; import javax.media.j3d.DirectionalLight; import javax.media.j3d.Material; import javax.media.j3d.Transform3D; import javax.media.j3d.TransformGroup; import javax.vecmath.Color3f; import javax.vecmath.Vector3f; import com.sun.j3d.utils.applet.MainFrame; import com.sun.j3d.utils.geometry.Sphere; import com.sun.j3d.utils.universe.SimpleUniverse; public class MaterialApp extends Applet { TransformGroup createTG(float x, float y, float z) { Vector3f position = new Vector3f(x, y, z); Transform3D translate = new Transform3D(); translate.set(position); TransformGroup trans1 = new TransformGroup(translate); return trans1; } Appearance createMatAppear(Color3f dColor, Color3f sColor, float shine) { Appearance appear = new Appearance(); Material material = new Material(); material.setDiffuseColor(dColor); material.setSpecularColor(sColor); material.setShininess(shine); appear.setMaterial(material); return appear; } public MaterialApp() { setLayout(new BorderLayout()); Canvas3D c = new Canvas3D(null); add("Center", c); Color3f white = new Color3f(1.0f, 1.0f, 1.0f); Color3f blue = new Color3f(0.0f, 0.0f, 1.0f); BranchGroup scene = new BranchGroup(); TransformGroup trans11 = createTG(-0.7f, 0.7f, -0.5f); scene.addChild(trans11); trans11.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60, createMatAppear(blue, white, 0.0f))); TransformGroup trans12 = createTG(0.0f, 0.7f, -0.5f); scene.addChild(trans12); trans12.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60, createMatAppear(blue, white, 1.0f))); TransformGroup trans13 = createTG(0.7f, 0.7f, -0.5f); scene.addChild(trans13); trans13.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60, createMatAppear(blue, white, 2.0f))); TransformGroup trans21 = createTG(-0.7f, 0.0f, -0.5f); scene.addChild(trans21); trans21.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60, createMatAppear(blue, white, 5.0f))); TransformGroup trans22 = createTG(0.0f, 0.0f, -0.5f); scene.addChild(trans22); trans22.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60, createMatAppear(blue, white, 10.0f))); TransformGroup trans23 = createTG(0.7f, 0.0f, -0.5f); scene.addChild(trans23); trans23.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60, createMatAppear(blue, white, 20.0f))); TransformGroup trans31 = createTG(-0.7f, -0.7f, -0.5f); scene.addChild(trans31); trans31.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60, createMatAppear(blue, white, 50.0f))); TransformGroup trans32 = createTG(0.0f, -0.7f, -0.5f); scene.addChild(trans32); trans32.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60, createMatAppear(blue, white, 100.0f))); TransformGroup trans33 = createTG(0.7f, -0.7f, -0.5f); scene.addChild(trans33); trans33.addChild(new Sphere(0.3f, Sphere.GENERATE_NORMALS, 60, createMatAppear(blue, white, 1000.0f))); AmbientLight lightA = new AmbientLight(); lightA.setInfluencingBounds(new BoundingSphere()); scene.addChild(lightA); DirectionalLight lightD1 = new DirectionalLight(); lightD1.setInfluencingBounds(new BoundingSphere()); Vector3f direction = new Vector3f(-1.0f, -1.0f, -1.0f); direction.normalize(); lightD1.setDirection(direction); lightD1.setColor(new Color3f(1.0f, 1.0f, 1.0f)); scene.addChild(lightD1); Background background = new Background(); background.setApplicationBounds(new BoundingSphere()); background.setColor(1.0f, 1.0f, 1.0f); scene.addChild(background); 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(); // setLocalEyeViewing u.getViewer().getView().setLocalEyeLightingEnable(true); u.addBranchGraph(scene); } public static void main(String argv[]) { new MainFrame(new MaterialApp(), 256, 256); } }