Java tutorial
/* * LightsNPlanesApp.java 1.0 99/04/12 * * 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 (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.BoundingBox; import javax.media.j3d.BoundingSphere; import javax.media.j3d.BranchGroup; import javax.media.j3d.Canvas3D; import javax.media.j3d.DirectionalLight; import javax.media.j3d.IndexedQuadArray; import javax.media.j3d.Light; import javax.media.j3d.Material; import javax.media.j3d.Node; import javax.media.j3d.PointLight; import javax.media.j3d.QuadArray; import javax.media.j3d.Shape3D; import javax.media.j3d.SpotLight; import javax.media.j3d.Transform3D; import javax.media.j3d.TransformGroup; import javax.vecmath.Color3f; import javax.vecmath.Point3d; import javax.vecmath.Point3f; import javax.vecmath.Vector3f; import com.sun.j3d.utils.applet.MainFrame; import com.sun.j3d.utils.universe.SimpleUniverse; /** * LightsNPlanesApp creates */ public class LightsNPlanesApp 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 LightsNPlanesApp() { setLayout(new BorderLayout()); Canvas3D c = new Canvas3D(null); add("Center", c); BoundingSphere bounds = new BoundingSphere(new Point3d(), 0.1); Vector3f direction = new Vector3f(0.0f, -1.0f, 0.0f); Point3f position = new Point3f(0.0f, 0.5f, -0.3f); Color3f white = new Color3f(1.0f, 1.0f, 1.0f); Color3f red = new Color3f(1.0f, 0.0f, 0.0f); Color3f green = new Color3f(0.0f, 1.0f, 0.0f); Color3f blue = new Color3f(0.0f, 0.0f, 1.0f); BranchGroup scene = new BranchGroup(); IndexedQuadArray qa = new IndexedQuadArray(9, QuadArray.COORDINATES | QuadArray.NORMALS, 16); qa.setCoordinate(0, new Point3f(-0.3f, 0.3f, -0.3f)); qa.setCoordinate(1, new Point3f(0.0f, 0.3f, -0.3f)); qa.setCoordinate(2, new Point3f(0.3f, 0.3f, -0.3f)); qa.setCoordinate(3, new Point3f(-0.3f, 0.0f, 0.0f)); qa.setCoordinate(4, new Point3f(0.0f, 0.0f, 0.0f)); qa.setCoordinate(5, new Point3f(0.3f, 0.0f, 0.0f)); qa.setCoordinate(6, new Point3f(-0.3f, -0.3f, 0.3f)); qa.setCoordinate(7, new Point3f(0.0f, -0.3f, 0.3f)); qa.setCoordinate(8, new Point3f(0.3f, -0.3f, 0.3f)); Vector3f n = new Vector3f(0.0f, 0.6f, 0.8f); n.normalize(); qa.setNormal(0, n); qa.setNormal(1, n); qa.setNormal(2, n); qa.setNormal(3, n); qa.setNormal(4, n); qa.setNormal(5, n); qa.setNormal(6, n); qa.setNormal(7, n); qa.setNormal(8, n); qa.setCoordinateIndex(0, 0); qa.setCoordinateIndex(1, 3); qa.setCoordinateIndex(2, 4); qa.setCoordinateIndex(3, 1); qa.setCoordinateIndex(4, 1); qa.setCoordinateIndex(5, 4); qa.setCoordinateIndex(6, 5); qa.setCoordinateIndex(7, 2); qa.setCoordinateIndex(8, 3); qa.setCoordinateIndex(9, 6); qa.setCoordinateIndex(10, 7); qa.setCoordinateIndex(11, 4); qa.setCoordinateIndex(12, 4); qa.setCoordinateIndex(13, 7); qa.setCoordinateIndex(14, 8); qa.setCoordinateIndex(15, 5); TransformGroup trans1 = createTG(-0.7f, 0.0f, -0.5f); scene.addChild(trans1); TransformGroup trans2 = createTG(0.0f, 0.0f, -0.5f); scene.addChild(trans2); TransformGroup trans3 = createTG(0.7f, 0.0f, -0.5f); scene.addChild(trans3); Appearance qAppear = createMatAppear(white, white, 5.0f); Shape3D p1 = new Shape3D(qa, qAppear); // p1.setBoundsAutoCompute(false); p1.setBounds(bounds); p1.setCapability(Node.ALLOW_BOUNDS_READ); trans1.addChild(p1); Shape3D p2 = new Shape3D(qa, qAppear); p2.setBounds(bounds); p2.setCapability(Node.ALLOW_BOUNDS_READ); trans2.addChild(p2); Shape3D p3 = new Shape3D(qa, qAppear); p3.setBounds(bounds); p3.setCapability(Node.ALLOW_BOUNDS_READ); trans3.addChild(p3); AmbientLight lightA = new AmbientLight(); lightA.setInfluencingBounds(new BoundingSphere()); lightA.setCapability(Light.ALLOW_INFLUENCING_BOUNDS_READ); scene.addChild(lightA); DirectionalLight lightD = new DirectionalLight(); lightD.setInfluencingBounds(bounds); lightD.setBoundsAutoCompute(false); lightD.setCapability(Light.ALLOW_INFLUENCING_BOUNDS_READ); lightD.setDirection(direction); lightD.setColor(red); trans1.addChild(lightD); PointLight lightP = new PointLight(); lightP.setInfluencingBounds(bounds); lightP.setCapability(Light.ALLOW_INFLUENCING_BOUNDS_READ); lightP.setPosition(position); lightP.setColor(green); trans2.addChild(lightP); SpotLight lightS = new SpotLight(); lightS.setInfluencingBounds(bounds); lightS.setCapability(Light.ALLOW_INFLUENCING_BOUNDS_READ); lightS.setPosition(position); lightS.setDirection(direction); lightS.setSpreadAngle(0.3f); lightS.setConcentration(1.0f); lightS.setColor(blue); trans3.addChild(lightS); Background background = new Background(); background.setApplicationBounds(new BoundingSphere()); background.setColor(1.0f, 1.0f, 1.0f); scene.addChild(background); scene.compile(); System.out.print("bounds object: "); System.out.println(bounds); System.out.print("influencing bounds for lightA: "); System.out.println(lightA.getInfluencingBounds()); System.out.print("influencing bounds for lightD: "); System.out.println(lightD.getInfluencingBounds()); System.out.print("influencing bounds for lightP: "); System.out.println(lightP.getInfluencingBounds()); System.out.print("influencing bounds for lightS: "); System.out.println(lightS.getInfluencingBounds()); System.out.print("bounds for plane1: "); System.out.println(p1.getBounds()); System.out.print("bounds for plane2: "); System.out.println(p2.getBounds()); System.out.print("bounds for plane3: "); System.out.println(p3.getBounds()); BoundingSphere bs0 = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 0.2); BoundingSphere bs1 = new BoundingSphere(new Point3d(-0.1, 0.0, 0.0), 0.2); BoundingSphere bs2 = new BoundingSphere(new Point3d(-0.2, 0.0, 0.0), 0.2); BoundingSphere bs3 = new BoundingSphere(new Point3d(-0.3, 0.0, 0.0), 0.2); BoundingSphere bs4 = new BoundingSphere(new Point3d(-0.4, 0.0, 0.0), 0.2); BoundingSphere bs5 = new BoundingSphere(new Point3d(-0.5, 0.0, 0.0), 0.2); BoundingSphere bs6 = new BoundingSphere(new Point3d(-0.6, 0.0, 0.0), 0.2); BoundingSphere bs7 = new BoundingSphere(new Point3d(-0.7, 0.0, 0.0), 0.2); BoundingSphere bs8 = new BoundingSphere(new Point3d(-0.8, 0.0, 0.0), 0.2); BoundingBox bb1 = new BoundingBox(bs1); BoundingBox bb2 = new BoundingBox(bs2); BoundingBox bb3 = new BoundingBox(bs3); BoundingBox bb4 = new BoundingBox(bs4); BoundingBox bb5 = new BoundingBox(bs5); BoundingBox bb6 = new BoundingBox(bs6); BoundingBox bb7 = new BoundingBox(bs7); BoundingBox bb8 = new BoundingBox(bs8); if (bs0.intersect(bs1)) System.out.println("bs0 intersects bs1"); if (bs0.intersect(bs2)) System.out.println("bs0 intersects bs2"); if (bs0.intersect(bs3)) System.out.println("bs0 intersects bs3"); if (bs0.intersect(bs4)) System.out.println("bs0 intersects bs4"); if (bs0.intersect(bs5)) System.out.println("bs0 intersects bs5"); if (bs0.intersect(bs6)) System.out.println("bs0 intersects bs6"); if (bs0.intersect(bs7)) System.out.println("bs0 intersects bs7"); if (bs0.intersect(bs8)) System.out.println("bs0 intersects bs8"); if (bs0.intersect(bb1)) System.out.println("bs0 intersects bb1"); if (bs0.intersect(bb2)) System.out.println("bs0 intersects bb2"); if (bs0.intersect(bb3)) System.out.println("bs0 intersects bb3"); if (bs0.intersect(bb4)) System.out.println("bs0 intersects bb4"); if (bs0.intersect(bb5)) System.out.println("bs0 intersects bb5"); if (bs0.intersect(bb6)) System.out.println("bs0 intersects bb6"); if (bs0.intersect(bb7)) System.out.println("bs0 intersects bb7"); if (bs0.intersect(bb8)) System.out.println("bs0 intersects bb8"); 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); } public static void main(String argv[]) { new MainFrame(new LightsNPlanesApp(), 256, 128); } }