Initial creation of j3d-examples sources in CVS repository

1 files changed, 318 insertions, 0 deletions

diff --git a/src/TextureTest/MultiTextureTest.java b/src/TextureTest/MultiTextureTest.java
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+/*
+ * $RCSfile$
+ *
+ * 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 com.sun.j3d.utils.image.TextureLoader;
+import com.sun.j3d.utils.geometry.Box;
+import com.sun.j3d.utils.behaviors.vp.*;
+import java.applet.Applet;
+import java.awt.*;
+import java.awt.event.*;
+import com.sun.j3d.utils.applet.MainFrame;
+import com.sun.j3d.utils.universe.*;
+import javax.media.j3d.*;
+import javax.vecmath.*;
+import java.awt.image.BufferedImage;
+
+public class MultiTextureTest extends Applet implements ItemListener{
+
+  Choice choice;
+  TextureUnitState textureUnitState[] = new TextureUnitState[2];
+  Texture stoneTex;
+  Texture skyTex;
+  Texture lightTex;
+
+  private java.net.URL stoneImage = null;
+  private java.net.URL skyImage = null;
+
+    private SimpleUniverse u = null;
+
+  public Texture createLightMap(){
+
+    int width = 128;
+    int height = 128;
+    BufferedImage bimage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+    int [] rgbArray = new int[width * height];
+    int index, index2;
+    int rgbInc = 256 / (width / 2 - 20);
+    int rgbValue = 0;
+    int k = width/2 - 5;
+    int i, j, rgb;
+
+    rgb = 0xff;
+    rgbValue = rgb | (rgb << 8) | (rgb << 16) | (rgb << 24);
+    for ( i = width / 2 - 1, j = 0; j < 10; j++, i--) {
+	 rgbArray[i] = rgbValue;
+    }
+
+    for (; i > 8; i--, rgb -= rgbInc) {
+	 rgbValue = rgb | (rgb << 8) | (rgb << 16) | (rgb << 24);
+	 rgbArray[i] = rgbValue;
+    }
+
+    for (; i >= 0; i--) {
+	 rgbArray[i] = rgbValue;
+    }
+	
+    for (i = 0; i < width/2; i++) {
+	 rgbValue = rgbArray[i];
+	 index = i;
+	 index2 = (width - i - 1);
+	 for (j = 0; j < height; j++) {
+	      rgbArray[index] = rgbArray[index2] = rgbValue;
+	      index += width;
+	      index2 += width;
+	 }
+    }
+	    
+    bimage.setRGB(0, 0, width, height, rgbArray, 0, width);
+
+	
+    ImageComponent2D grayImage = new ImageComponent2D(ImageComponent.FORMAT_RGB, bimage);
+
+    lightTex = new Texture2D(Texture.BASE_LEVEL, Texture.RGB, width, height);
+    lightTex.setImage(0, grayImage);
+
+    return lightTex;
+  }
+
+ 
+  public BranchGroup createSceneGraph() {
+    // Create the root of the branch graph
+    BranchGroup objRoot = new BranchGroup();
+
+    // Create a Transformgroup to scale all objects so they
+    // appear in the scene.
+    TransformGroup objScale = new TransformGroup();
+    Transform3D t3d = new Transform3D();
+    t3d.setScale(0.4);
+    objScale.setTransform(t3d);
+    objRoot.addChild(objScale);
+    
+    TransformGroup objTrans = new TransformGroup();
+    //write-enable for behaviors
+    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+    objTrans.setCapability( TransformGroup.ALLOW_TRANSFORM_READ );
+    objTrans.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
+    objScale.addChild(objTrans);
+    
+    Appearance ap = new Appearance();
+    
+    // load textures
+    TextureAttributes texAttr1 = new TextureAttributes();
+    texAttr1.setTextureMode(TextureAttributes.DECAL);
+    TextureAttributes texAttr2 = new TextureAttributes();
+    texAttr2.setTextureMode(TextureAttributes.MODULATE);
+
+    TextureLoader tex = new TextureLoader(stoneImage, new String("RGB"), this);
+    if (tex == null) 
+	return null;
+    stoneTex = tex.getTexture();
+
+    tex = new TextureLoader(skyImage, new String("RGB"), this);
+    if (tex == null)
+	return null;
+    skyTex = tex.getTexture();
+
+    lightTex = createLightMap();
+
+
+    textureUnitState[0] = new TextureUnitState(stoneTex, texAttr1, null);
+    textureUnitState[0].setCapability(TextureUnitState.ALLOW_STATE_WRITE);
+
+    textureUnitState[1] = new TextureUnitState(lightTex, texAttr2, null);
+    textureUnitState[1].setCapability(TextureUnitState.ALLOW_STATE_WRITE);
+
+    ap.setTextureUnitState(textureUnitState);
+
+    //Create a Box
+    Box BoxObj = new Box(1.5f, 1.5f, 0.8f, Box.GENERATE_NORMALS |
+			    Box.GENERATE_TEXTURE_COORDS, ap, 2);
+    // add it to the scene graph.
+    objTrans.addChild(BoxObj);
+
+    BoundingSphere bounds =
+      new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
+    
+    //Shine it with two lights.
+    Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
+    Color3f lColor2 = new Color3f(0.2f, 0.2f, 0.1f);
+    Vector3f lDir1  = new Vector3f(-1.0f, -1.0f, -1.0f);
+    Vector3f lDir2  = new Vector3f(0.0f, 0.0f, -1.0f);
+    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
+    DirectionalLight lgt2 = new DirectionalLight(lColor2, lDir2);
+    lgt1.setInfluencingBounds(bounds);
+    lgt2.setInfluencingBounds(bounds);
+    objScale.addChild(lgt1);
+    objScale.addChild(lgt2);
+   
+    // Let Java 3D perform optimizations on this scene graph.
+    objRoot.compile();
+ 
+    return objRoot;
+  }
+
+  public MultiTextureTest (){
+  }
+
+  public MultiTextureTest(java.net.URL stoneURL, java.net.URL skyURL) {
+    stoneImage = stoneURL;
+    skyImage = skyURL;
+  }
+
+  public void init() {
+    if (stoneImage == null) {
+      // the path to the image for an applet
+      try {
+	stoneImage = new java.net.URL(getCodeBase().toString() + 
+				      "../images/stone.jpg");
+      }
+      catch (java.net.MalformedURLException ex) {
+	System.out.println(ex.getMessage());
+	System.exit(1);
+      }
+    }
+
+    if (skyImage == null) {
+      // the path to the image for an applet
+      try {
+	skyImage = new java.net.URL(getCodeBase().toString() +
+				    "../images/bg.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);
+    
+    BranchGroup scene = createSceneGraph();
+    u = new SimpleUniverse(c);
+
+    ViewingPlatform viewingPlatform = u.getViewingPlatform();
+    // This will move the ViewPlatform back a bit so the
+    // objects in the scene can be viewed.
+    viewingPlatform.setNominalViewingTransform();
+
+    // add orbit behavior but disable translate
+    OrbitBehavior orbit =
+	new OrbitBehavior(c, OrbitBehavior.REVERSE_ALL |
+			  OrbitBehavior.DISABLE_TRANSLATE);
+    BoundingSphere bounds =
+	new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
+    orbit.setSchedulingBounds(bounds);
+    viewingPlatform.setViewPlatformBehavior(orbit);
+
+    u.addBranchGraph(scene);
+
+    // create the gui
+    choice = new Choice();
+    choice.addItem("stone + light");
+    choice.addItem("stone");
+    choice.addItem("lightMap");
+    choice.addItem("sky");
+    choice.addItem("stone + sky");
+    choice.addItemListener(this);
+    add("North", choice);
+
+  }
+
+    public void destroy() {
+	// Cleanup reference to Java3D
+	textureUnitState = new TextureUnitState[2];
+	u.cleanup();
+    }
+  
+  public void itemStateChanged(ItemEvent e)
+  {
+    int index = choice.getSelectedIndex();
+ 
+    switch (index) {
+    case 0 : /* stone + light */
+	textureUnitState[0].setTexture(stoneTex);
+	textureUnitState[1].setTexture(lightTex);
+	break;
+    case 1 : /* stone */
+	textureUnitState[0].setTexture(stoneTex);
+	textureUnitState[1].setTexture(null);
+	break;
+    case 2 : /* light */
+	textureUnitState[0].setTexture(null);
+	textureUnitState[1].setTexture(lightTex);
+	break;
+    case 3 : /* sky */
+	textureUnitState[0].setTexture(null);
+	textureUnitState[1].setTexture(skyTex);
+	break;
+    case 4 : /* stone + sky */
+	textureUnitState[0].setTexture(stoneTex);
+	textureUnitState[1].setTexture(skyTex);
+	break;
+    default:  /* both */
+	break;
+    }
+  }
+
+  public static void main(String argv[])
+  {
+    java.net.URL stoneURL = null;
+    java.net.URL skyURL = null;
+    // the path to the image for an application
+    try {
+      stoneURL = new java.net.URL("file:../images/stone.jpg");
+      skyURL = new java.net.URL("file:../images/bg.jpg");
+    }
+    catch (java.net.MalformedURLException ex) {
+      System.out.println(ex.getMessage());
+      System.exit(1);
+    }
+    new MainFrame(new MultiTextureTest(stoneURL, skyURL), 750, 750);
+  }
+}
+