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-/*
- * $RCSfile$
- *
- * Copyright (c) 2006 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.geometry.*;
-import com.sun.j3d.utils.universe.*;
-import com.sun.j3d.utils.image.TextureLoader;
-import javax.media.j3d.*;
-import javax.vecmath.*;
-
-/**
- * ConicWorld creates spheres, cylinders, and cones of different resolutions
- * and colors. Demonstrates the use of the various geometry creation
- * constructors found in the com.sun.j3d.utils.geometry package.
- */
-public class ConicWorld extends Applet {
-
- private java.net.URL texImage = null;
-
- private SimpleUniverse u = null;
-
- public BranchGroup createSceneGraph(Canvas3D c) {
- // Create the root of the branch graph
- BranchGroup objRoot = new BranchGroup();
-
- // Create a bounds for the background and behaviors
- 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);
- objRoot.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);
- objRoot.addChild(aLgt);
- objRoot.addChild(lgt1);
-
- // Create a bunch of objects with a behavior and add them
- // into the scene graph.
-
- int row, col;
- int numRows = 3, numCols = 5;
- Appearance[][] app = new Appearance[numRows][numCols];
-
- for (row = 0; row < numRows; row++)
- for (col = 0; col < numCols; col++)
- app[row][col] = createAppearance(row * numCols + col);
-
- // Space between each row/column
- double xspace = 2.0 / ((double)numCols - 1.0);
- double yspace = 2.0 / ((double)numRows - 1.0);
-
- for (int i = 0; i < numRows; i++) {
- double ypos = ((double)i * yspace - 1.0) * 0.6;
- for (int j = 0; j < numCols; j++) {
- double xpos = xpos = ((double)j * xspace - 1.0) * 0.6;
- objRoot.addChild(createObject(i, j, app[i][j],
- 0.1, xpos, ypos));
- }
- }
-
- // Let Java 3D perform optimizations on this scene graph.
- objRoot.compile();
-
- return objRoot;
- }
-
-
- private Appearance createAppearance(int idx) {
- Appearance app = new Appearance();
-
- // Globally used colors
- Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
- Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
-
- idx = idx % 5;
-
- switch (idx) {
- // Lit solid
- case 0:
- {
- // Set up the material properties
- Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f);
- app.setMaterial(new Material(objColor, black, objColor,
- white, 80.0f));
- break;
- }
- // Lit solid, no specular
- case 1:
- {
- // Set up the material properties
- Color3f objColor = new Color3f(0.0f, 0.8f, 0.0f);
- app.setMaterial(new Material(objColor, black, objColor,
- white, 80.0f));
- break;
- }
-
- // Lit solid, specular only
- case 2:
- {
- // Set up the material properties
- Color3f objColor = new Color3f(0.0f, 0.8f, 0.8f);
- app.setMaterial(new Material(black, black, objColor,
- white, 80.0f));
- break;
- }
-
- // Texture mapped, lit solid
- case 3:
- {
- // Set up the texture map
- TextureLoader tex = new TextureLoader(texImage, this);
- app.setTexture(tex.getTexture());
-
- // Set up the material properties
- app.setMaterial(new Material(white, black, white, black, 1.0f));
- TextureAttributes texAttr = new TextureAttributes();
- texAttr.setTextureMode(TextureAttributes.MODULATE);
- app.setTextureAttributes(texAttr);
-
- break;
- }
-
-
- // Another lit solid with a different color
- case 4:
- {
- // Set up the material properties
- Color3f objColor = new Color3f(1.0f, 1.0f, 0.0f);
- app.setMaterial(new Material(objColor, black, objColor,
- white, 80.0f));
- break;
- }
-
- default:
- {
- ColoringAttributes ca = new ColoringAttributes();
- ca.setColor(new Color3f(0.0f, 1.0f, 0.0f));
- app.setColoringAttributes(ca);
- }
- }
-
- return app;
- }
-
-
- private Group createObject(int i, int j, Appearance app, double scale,
- double xpos, double ypos) {
-
- // Create a transform group node to scale and position the object.
- Transform3D t = new Transform3D();
- t.set(scale, new Vector3d(xpos, ypos, 0.0));
- TransformGroup objTrans = new TransformGroup(t);
-
- // Create a second transform group node and initialize it to the
- // identity. Enable the TRANSFORM_WRITE capability so that
- // our behavior code can modify it at runtime.
- TransformGroup spinTg = new TransformGroup();
- spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
- spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
- Primitive obj = null;
-
- if (i % 3 == 2){
- obj = (Primitive) new Sphere(1.0f,
- Sphere.GENERATE_NORMALS |
- Sphere.GENERATE_TEXTURE_COORDS,
- j*8 + 4, app);
- }
- else
- if (i % 3 == 1){
- obj = (Primitive) new Cylinder(1.0f, 2.0f,
- Cylinder.GENERATE_TEXTURE_COORDS |
- Cylinder.GENERATE_NORMALS,
- j*8+4,j*8+4,
- app);
- }
- else
- if (i % 3 == 0){
- obj = (Primitive) new Cone(1.0f, 2.0f,
- Cone.GENERATE_NORMALS |
- Cone.GENERATE_TEXTURE_COORDS,
- j*8+4,j*8+4,
- app);
- }
-
- // add it to the scene graph.
- spinTg.addChild(obj);
-
- // Create a new Behavior object that will perform the desired
- // operation on the specified transform object and add it into
- // the scene graph.
- Transform3D yAxis = new Transform3D();
- Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
- 0, 0,
- 5000, 0, 0,
- 0, 0, 0);
-
- RotationInterpolator rotator =
- new RotationInterpolator(rotationAlpha, spinTg, yAxis,
- 0.0f, (float) Math.PI*2.0f);
-
- BoundingSphere bounds =
- new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
-
- rotator.setSchedulingBounds(bounds);
-
- // Add the behavior and the transform group to the object
- objTrans.addChild(rotator);
- objTrans.addChild(spinTg);
-
- return objTrans;
- }
-
-
- public ConicWorld() {
- }
-
- public ConicWorld(java.net.URL url) {
- texImage = url;
- }
-
- public void init() {
- if (texImage == null) {
- // the path to the image for an applet
- try {
- texImage = new java.net.URL(getCodeBase().toString() +
- "../images/earth.jpg");
- }
- 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(c);
- 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();
- }
-
- //
- // The following allows ConicWorld to be run as an application
- // as well as an applet
- //
- public static void main(String[] args) {
- // the path to the image file for an application
- java.net.URL url = null;
- try {
- url = new java.net.URL("file:../images/earth.jpg");
- }
- catch (java.net.MalformedURLException ex) {
- System.out.println(ex.getMessage());
- System.exit(1);
- }
- new MainFrame(new ConicWorld(url), 700, 700);
- }
-}
-
-
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