Mega Code Archive
Lighting Plane
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/*
* 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);
}
}
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