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-rw-r--r--src/AppearanceMixed/AppearanceMixed.html15
-rw-r--r--src/AppearanceMixed/AppearanceMixed.java506
-rw-r--r--src/AppearanceMixed/AppearanceMixed_plugin.html39
-rw-r--r--src/AppearanceMixed/Tetrahedron.java107
-rw-r--r--src/AppearanceMixed/build.xml66
5 files changed, 733 insertions, 0 deletions
diff --git a/src/AppearanceMixed/AppearanceMixed.html b/src/AppearanceMixed/AppearanceMixed.html
new file mode 100644
index 0000000..349cd5d
--- /dev/null
+++ b/src/AppearanceMixed/AppearanceMixed.html
@@ -0,0 +1,15 @@
+<HTML>
+<HEAD>
+<TITLE>AppearanceMixed</TITLE>
+</HEAD>
+<BODY BGCOLOR="#000000">
+<applet align=middle code="AppearanceMixed.class" width=700 height=700>
+<blockquote>
+<hr>
+If you were using a Java-capable browser,
+you would see Hello Universe! instead of this paragraph.
+<hr>
+</blockquote>
+</applet>
+</BODY>
+</HTML>
diff --git a/src/AppearanceMixed/AppearanceMixed.java b/src/AppearanceMixed/AppearanceMixed.java
new file mode 100644
index 0000000..8b1835d
--- /dev/null
+++ b/src/AppearanceMixed/AppearanceMixed.java
@@ -0,0 +1,506 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2004 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);
+ }
+}
diff --git a/src/AppearanceMixed/AppearanceMixed_plugin.html b/src/AppearanceMixed/AppearanceMixed_plugin.html
new file mode 100644
index 0000000..2fe3ef8
--- /dev/null
+++ b/src/AppearanceMixed/AppearanceMixed_plugin.html
@@ -0,0 +1,39 @@
+<HTML>
+<HEAD>
+<TITLE>AppearanceMixed</TITLE>
+</HEAD>
+<BODY BGCOLOR="#000000">
+<!--"CONVERTED_APPLET"-->
+<!-- CONVERTER VERSION 1.3 -->
+<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
+WIDTH = 700 HEIGHT = 700 ALIGN = middle codebase="http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,0,0">
+<PARAM NAME = CODE VALUE = "AppearanceMixed.class" >
+
+<PARAM NAME="type" VALUE="application/x-java-applet;version=1.2.2">
+<PARAM NAME="scriptable" VALUE="false">
+<COMMENT>
+<EMBED type="application/x-java-applet;version=1.2.2" CODE = "AppearanceMixed.class" WIDTH = 700 HEIGHT = 700 ALIGN = middle scriptable=false pluginspage="http://java.sun.com/products/plugin/1.3/plugin-install.html"><NOEMBED></COMMENT>
+<blockquote>
+<hr>
+If you were using a Java-capable browser,
+you would see Hello Universe! instead of this paragraph.
+<hr>
+</blockquote>
+</NOEMBED></EMBED>
+</OBJECT>
+
+<!--
+<APPLET CODE = "AppearanceMixed.class" WIDTH = 700 HEIGHT = 700 ALIGN = middle>
+<blockquote>
+<hr>
+If you were using a Java-capable browser,
+you would see Hello Universe! instead of this paragraph.
+<hr>
+</blockquote>
+
+</APPLET>
+-->
+<!--"END_CONVERTED_APPLET"-->
+
+</BODY>
+</HTML>
diff --git a/src/AppearanceMixed/Tetrahedron.java b/src/AppearanceMixed/Tetrahedron.java
new file mode 100644
index 0000000..919c04c
--- /dev/null
+++ b/src/AppearanceMixed/Tetrahedron.java
@@ -0,0 +1,107 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2004 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 javax.media.j3d.*;
+import javax.vecmath.*;
+
+public class Tetrahedron extends Shape3D {
+ private static final float sqrt3 = (float) Math.sqrt(3.0);
+ private static final float sqrt3_3 = sqrt3 / 3.0f;
+ private static final float sqrt24_3 = (float) Math.sqrt(24.0) / 3.0f;
+
+ private static final float ycenter = 0.5f * sqrt24_3;
+ private static final float zcenter = -sqrt3_3;
+
+ private static final Point3f p1 = new Point3f(-1.0f, -ycenter, -zcenter);
+ private static final Point3f p2 = new Point3f(1.0f, -ycenter, -zcenter);
+ private static final Point3f p3 =
+ new Point3f(0.0f, -ycenter, -sqrt3 - zcenter);
+ private static final Point3f p4 =
+ new Point3f(0.0f, sqrt24_3 - ycenter, 0.0f);
+
+ private static final Point3f[] verts = {
+ p1, p2, p4, // front face
+ p1, p4, p3, // left, back face
+ p2, p3, p4, // right, back face
+ p1, p3, p2, // bottom face
+ };
+
+ private TexCoord2f texCoord[] = {
+ new TexCoord2f(0.0f, 0.0f),
+ new TexCoord2f(1.0f, 0.0f),
+ new TexCoord2f(0.5f, sqrt3 / 2.0f),
+ };
+
+ public Tetrahedron() {
+ int i;
+
+ TriangleArray tetra = new TriangleArray(12, TriangleArray.COORDINATES |
+ TriangleArray.NORMALS | TriangleArray.TEXTURE_COORDINATE_2);
+
+ tetra.setCoordinates(0, verts);
+ for (i = 0; i < 12; i++) {
+ tetra.setTextureCoordinate(0, i, texCoord[i%3]);
+ }
+
+ int face;
+ Vector3f normal = new Vector3f();
+ Vector3f v1 = new Vector3f();
+ Vector3f v2 = new Vector3f();
+ Point3f [] pts = new Point3f[3];
+ for (i = 0; i < 3; i++) pts[i] = new Point3f();
+
+ for (face = 0; face < 4; face++) {
+ tetra.getCoordinates(face*3, pts);
+ v1.sub(pts[1], pts[0]);
+ v2.sub(pts[2], pts[0]);
+ normal.cross(v1, v2);
+ normal.normalize();
+ for (i = 0; i < 3; i++) {
+ tetra.setNormal((face * 3 + i), normal);
+ }
+ }
+ this.setGeometry(tetra);
+ this.setAppearance(new Appearance());
+ }
+}
diff --git a/src/AppearanceMixed/build.xml b/src/AppearanceMixed/build.xml
new file mode 100644
index 0000000..cbf53a8
--- /dev/null
+++ b/src/AppearanceMixed/build.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0"?>
+
+<!--
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2004 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.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+ -->
+
+<project basedir="." default="compile">
+ <target name="compile">
+ <javac debug="true" deprecation="true" destdir="." srcdir=".">
+ </javac>
+ </target>
+
+ <target name="all" depends="compile">
+ </target>
+
+ <target description="Clean all build products." name="clean">
+ <delete>
+ <fileset dir=".">
+ <include name="**/*.class"/>
+ </fileset>
+ </delete>
+ </target>
+
+</project>
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-03 10:59:00 +0000