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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 java.awt.GraphicsConfiguration;
-import com.sun.j3d.utils.applet.MainFrame;
-import com.sun.j3d.utils.universe.*;
-import com.sun.j3d.utils.image.TextureLoader;
-import com.sun.j3d.utils.geometry.ColorCube;
-import javax.media.j3d.*;
-import javax.vecmath.*;
-
-public class AppearanceMixed extends Applet {
-
- private java.net.URL bgImage;
- private java.net.URL texImage;
-
- private SimpleUniverse u = null;
-
- static class MyCanvas3D extends Canvas3D {
- private GraphicsContext3D gc;
-
- private static final int vertIndices[] = { 0, 1, 2, 0, 2, 3 };
- private static final int normalIndices[] = { 0, 0, 0, 1, 1, 1 };
- private IndexedTriangleArray tri =
- new IndexedTriangleArray(4, IndexedTriangleArray.COORDINATES |
- IndexedTriangleArray.NORMALS, 6);
-
- private Point3f vert[] = {
- new Point3f(-0.12f, -0.12f, 0.0f),
- new Point3f( 0.12f, -0.12f, 0.0f),
- new Point3f( 0.12f, 0.12f, 0.0f),
- new Point3f(-0.12f, 0.12f, 0.0f),
- };
-
- private Point3f min[] = {
- new Point3f(-0.24f, -0.24f, -0.20f),
- new Point3f( 0.04f, -0.28f, -0.24f),
- new Point3f( 0.00f, 0.00f, -0.24f),
- new Point3f(-0.32f, 0.08f, -0.20f),
- };
-
- private Point3f max[] = {
- new Point3f(-0.04f, -0.04f, 0.12f),
- new Point3f( 0.32f, -0.04f, 0.16f),
- new Point3f( 0.36f, 0.28f, 0.20f),
- new Point3f(-0.04f, 0.24f, 0.16f),
- };
-
- private Point3f delta[] = {
- new Point3f(-0.0021f, -0.0017f, 0.0014f),
- new Point3f( 0.0025f, -0.0013f, -0.0018f),
- new Point3f( 0.0021f, 0.0017f, 0.0018f),
- new Point3f(-0.0025f, 0.0013f, -0.0014f),
- };
-
- private Vector3f normals[];
- private Vector3f v01 = new Vector3f();
- private Vector3f v02 = new Vector3f();
- private Vector3f v03 = new Vector3f();
-
- public void renderField(int fieldDesc) {
- computeVert();
- computeNormals();
- gc.draw(tri);
- }
-
- private void computeVert() {
- for (int i = 0; i < 4; i++) {
- vert[i].add(delta[i]);
- if (vert[i].x > max[i].x) {
- vert[i].x = max[i].x;
- delta[i].x *= -1.0f;
- }
- if (vert[i].x < min[i].x) {
- vert[i].x = min[i].x;
- delta[i].x *= -1.0f;
- }
- if (vert[i].y > max[i].y) {
- vert[i].y = max[i].y;
- delta[i].y *= -1.0f;
- }
- if (vert[i].y < min[i].y) {
- vert[i].y = min[i].y;
- delta[i].y *= -1.0f;
- }
- if (vert[i].z > max[i].z) {
- vert[i].z = max[i].z;
- delta[i].z *= -1.0f;
- }
- if (vert[i].z < min[i].z) {
- vert[i].z = min[i].z;
- delta[i].z *= -1.0f;
- }
- }
- tri.setCoordinates(0, vert);
- }
-
- private void computeNormals() {
- v01.sub(vert[1], vert[0]);
- v02.sub(vert[2], vert[0]);
- v03.sub(vert[3], vert[0]);
- normals[0].cross(v01, v02);
- normals[0].normalize();
- normals[1].cross(v02, v03);
- normals[1].normalize();
- tri.setNormals(0, normals);
- }
-
- public MyCanvas3D(GraphicsConfiguration gcfg) {
- super(gcfg);
-
- // Allocate memory for normals
- normals = new Vector3f[2];
- normals[0] = new Vector3f();
- normals[1] = new Vector3f();
-
- // Set up the indices
- tri.setCoordinateIndices(0, vertIndices);
- tri.setNormalIndices(0, normalIndices);
-
- // Set up the graphics context
- gc = getGraphicsContext3D();
-
- // Create the appearance for the triangle fan
- Appearance app = new Appearance();
- Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
- Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
- Color3f objColor = new Color3f(0.0f, 0.0f, 0.8f);
- app.setMaterial(new Material(objColor, black, objColor,
- white, 80.0f));
- gc.setAppearance(app);
-
- // 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);
- gc.addLight(new AmbientLight(alColor));
- gc.addLight(new DirectionalLight(lColor1, lDir1));
- }
- }
-
-
- private BranchGroup createSceneGraph() {
- // Create the root of the branch graph
- BranchGroup objRoot = new BranchGroup();
-
- // Create a bounds for the background and lights
- BoundingSphere bounds =
- new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
-
- // Set up the background
- TextureLoader bgTexture = new TextureLoader(bgImage, this);
- Background bg = new Background(bgTexture.getImage());
- 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;
- Appearance[][] app = new Appearance[3][3];
-
- for (row = 0; row < 3; row++)
- for (col = 0; col < 3; col++)
- app[row][col] = createAppearance(row * 3 + col);
-
- for (int i = 0; i < 3; i++) {
- double ypos = (double)(i - 1) * 0.6;
- for (int j = 0; j < 3; j++) {
- double xpos = (double)(j - 1) * 0.6;
- objRoot.addChild(createObject(app[i][j], 0.12, 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);
-
- switch (idx) {
- // Unlit solid
- case 0:
- {
- // Set up the coloring properties
- Color3f objColor = new Color3f(1.0f, 0.2f, 0.4f);
- ColoringAttributes ca = new ColoringAttributes();
- ca.setColor(objColor);
- app.setColoringAttributes(ca);
- break;
- }
-
-
- // Unlit wire frame
- case 1:
- {
- // Set up the coloring properties
- Color3f objColor = new Color3f(0.5f, 0.0f, 0.2f);
- ColoringAttributes ca = new ColoringAttributes();
- ca.setColor(objColor);
- app.setColoringAttributes(ca);
-
- // Set up the polygon attributes
- PolygonAttributes pa = new PolygonAttributes();
- pa.setPolygonMode(pa.POLYGON_LINE);
- pa.setCullFace(pa.CULL_NONE);
- app.setPolygonAttributes(pa);
- break;
- }
-
- // Unlit points
- case 2:
- {
- // Set up the coloring properties
- Color3f objColor = new Color3f(0.2f, 0.2f, 1.0f);
- ColoringAttributes ca = new ColoringAttributes();
- ca.setColor(objColor);
- app.setColoringAttributes(ca);
-
- // Set up the polygon attributes
- PolygonAttributes pa = new PolygonAttributes();
- pa.setPolygonMode(pa.POLYGON_POINT);
- pa.setCullFace(pa.CULL_NONE);
- app.setPolygonAttributes(pa);
-
- // Set up point attributes
- PointAttributes pta = new PointAttributes();
- pta.setPointSize(5.0f);
- app.setPointAttributes(pta);
- break;
- }
-
- // Lit solid
- case 3:
- {
- // 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;
- }
-
- // Texture mapped, lit solid
- case 4:
- {
- // Set up the texture map
- TextureLoader tex = new TextureLoader(texImage, this);
- app.setTexture(tex.getTexture());
-
- TextureAttributes texAttr = new TextureAttributes();
- texAttr.setTextureMode(TextureAttributes.MODULATE);
- app.setTextureAttributes(texAttr);
-
-
- // Set up the material properties
- app.setMaterial(new Material(white, black, white, black, 1.0f));
- break;
- }
-
- // Transparent, lit solid
- case 5:
- {
- // Set up the transparency properties
- TransparencyAttributes ta = new TransparencyAttributes();
- ta.setTransparencyMode(ta.BLENDED);
- ta.setTransparency(0.6f);
- app.setTransparencyAttributes(ta);
-
- // Set up the polygon attributes
- PolygonAttributes pa = new PolygonAttributes();
- pa.setCullFace(pa.CULL_NONE);
- app.setPolygonAttributes(pa);
-
- // Set up the material properties
- Color3f objColor = new Color3f(0.7f, 0.8f, 1.0f);
- app.setMaterial(new Material(objColor, black, objColor,
- black, 1.0f));
- break;
- }
-
- // Lit solid, no specular
- case 6:
- {
- // Set up the material properties
- Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f);
- app.setMaterial(new Material(objColor, black, objColor,
- black, 80.0f));
- break;
- }
-
- // Lit solid, specular only
- case 7:
- {
- // Set up the material properties
- Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f);
- app.setMaterial(new Material(black, black, black,
- white, 80.0f));
- break;
- }
-
- // Another lit solid with a different color
- case 8:
- {
- // Set up the material properties
- Color3f objColor = new Color3f(0.8f, 0.8f, 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(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);
-
- // Create a simple shape leaf node and set the appearance
- Shape3D shape = new Tetrahedron();
- shape.setAppearance(app);
-
- // add it to the scene graph.
- spinTg.addChild(shape);
-
- // 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 AppearanceMixed() {
- }
-
- public AppearanceMixed(java.net.URL bgurl, java.net.URL texurl) {
- bgImage = bgurl;
- texImage = texurl;
- }
- public void init() {
- if (bgImage == null) {
- // the path to the image for an applet
- try {
- bgImage = new java.net.URL(getCodeBase().toString() +
- "../images/bg.jpg");
- }
- catch (java.net.MalformedURLException ex) {
- System.out.println(ex.getMessage());
- System.exit(1);
- }
- }
-
- if (texImage == null) {
- // the path to the image for an applet
- try {
- texImage = new java.net.URL(getCodeBase().toString() +
- "../images/apimage.jpg");
- }
- catch (java.net.MalformedURLException ex) {
- System.out.println(ex.getMessage());
- System.exit(1);
- }
- }
- setLayout(new BorderLayout());
- GraphicsConfiguration config =
- SimpleUniverse.getPreferredConfiguration();
-
- MyCanvas3D c = new MyCanvas3D(config);
- add("Center", c);
-
- // Create a simple scene and attach it to the virtual universe
- BranchGroup scene = createSceneGraph();
- 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 AppearanceMixed 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 bgurl = null;
- java.net.URL texurl = null;
- try {
- bgurl = new java.net.URL("file:../images/bg.jpg");
- texurl = new java.net.URL("file:../images/apimage.jpg");
- }
- catch (java.net.MalformedURLException ex) {
- System.out.println(ex.getMessage());
- System.exit(1);
- }
- new MainFrame(new AppearanceMixed(bgurl, texurl), 700, 700);
- }
-}
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