From 53ebfcc5ad5554b67d2287f8b02c22ec8405af0f Mon Sep 17 00:00:00 2001
From: kcr <kcr@28c7f869-5b4e-e670-f602-82bfaf57f300>
Date: Wed, 9 Jun 2004 03:28:13 +0000
Subject: Initial creation of j3d-examples sources in CVS repository

---
 src/Background/BackgroundGeometry.java | 236 +++++++++++++++++++++++++++++++++
 1 file changed, 236 insertions(+)
 create mode 100644 src/Background/BackgroundGeometry.java

(limited to 'src/Background/BackgroundGeometry.java')

diff --git a/src/Background/BackgroundGeometry.java b/src/Background/BackgroundGeometry.java
new file mode 100644
index 0000000..fd69430
--- /dev/null
+++ b/src/Background/BackgroundGeometry.java
@@ -0,0 +1,236 @@
+/*
+ * $RCSfile$
+ *
+ * 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.behaviors.mouse.*;
+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 javax.media.j3d.*;
+import javax.vecmath.*;
+
+public class BackgroundGeometry extends Applet {
+
+    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
+
+    private java.net.URL bgImage = null;
+
+    private SimpleUniverse u = null;
+
+    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);
+
+        // Create the 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 objTrans = new TransformGroup();
+        objScale.addChild(objTrans);
+    
+        Background bg = new Background();
+        bg.setApplicationBounds(bounds);
+	BranchGroup backGeoBranch = new BranchGroup();
+        Sphere sphereObj = new Sphere(1.0f, Sphere.GENERATE_NORMALS |
+			          Sphere.GENERATE_NORMALS_INWARD |
+				  Sphere.GENERATE_TEXTURE_COORDS, 45);
+        Appearance backgroundApp = sphereObj.getAppearance();
+        backGeoBranch.addChild(sphereObj);
+        bg.setGeometry(backGeoBranch);
+        objTrans.addChild(bg);
+
+        TextureLoader tex = new TextureLoader(bgImage,
+					      new String("RGB"), this);
+        if (tex != null) 
+	    backgroundApp.setTexture(tex.getTexture());
+
+        Vector3f tranlation = new Vector3f(2.0f, 0.0f, 0.0f);
+        Transform3D modelTransform = new Transform3D();
+        Transform3D tmpTransform = new Transform3D();
+        double angleInc = Math.PI/8.0;
+        double angle = 0.0;
+	int numBoxes = 16;
+
+        float scaleX[] =  {0.1f, 0.2f, 0.2f, 0.3f,
+                           0.2f, 0.1f, 0.2f, 0.3f,
+                           0.1f, 0.3f, 0.2f, 0.3f,
+                           0.1f, 0.3f, 0.2f, 0.3f};
+
+        float scaleY[] =  {0.3f, 0.4f, 0.3f, 0.4f,
+                           0.3f, 0.4f, 0.3f, 0.4f,
+                           0.3f, 0.3f, 0.3f, 0.3f,
+                           0.3f, 0.3f, 0.3f, 0.4f};
+
+        float scaleZ[] =  {0.3f, 0.2f, 0.1f, 0.1f,
+                           0.3f, 0.2f, 0.1f, 0.3f,
+                           0.3f, 0.2f, 0.1f, 0.3f,
+                           0.3f, 0.2f, 0.1f, 0.2f};
+
+        Appearance a1 = new Appearance();
+        Color3f eColor    = new Color3f(0.0f, 0.0f, 0.0f);
+        Color3f sColor    = new Color3f(0.5f, 0.5f, 1.0f);
+        Color3f oColor    = new Color3f(0.5f, 0.5f, 0.3f);
+
+        Material m = new Material(oColor, eColor, oColor, sColor, 100.0f);
+        m.setLightingEnable(true);
+        a1.setMaterial(m);
+
+        for (int i=0; i<numBoxes; i++, angle += angleInc) {
+            modelTransform.rotY(angle);
+            tmpTransform.set(tranlation);
+            modelTransform.mul(tmpTransform);
+
+            TransformGroup tgroup = new TransformGroup(modelTransform);
+            objTrans.addChild(tgroup);
+
+            tgroup.addChild( new Box(scaleX[i],scaleY[i],scaleZ[i],
+				Box.GENERATE_NORMALS,a1));
+        }
+
+
+        // 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);
+
+ 
+        return objRoot;
+    }
+
+    public BackgroundGeometry (){
+    }
+
+    public BackgroundGeometry(java.net.URL bgurl) {
+        bgImage = bgurl;
+    }
+
+    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);
+	    }
+	}
+        setLayout(new BorderLayout());
+        GraphicsConfiguration config =
+		SimpleUniverse.getPreferredConfiguration();
+
+    	Canvas3D c = new Canvas3D(config);
+    	add("Center", c);
+    
+    	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();
+
+        TransformGroup viewTrans =
+                u.getViewingPlatform().getViewPlatformTransform();
+
+        // Create the rotate behavior node
+        MouseRotate behavior1 = new MouseRotate(viewTrans);
+        scene.addChild(behavior1);
+        behavior1.setSchedulingBounds(bounds);
+
+        // Create the zoom behavior node
+        MouseZoom behavior2 = new MouseZoom(viewTrans);
+        scene.addChild(behavior2);
+        behavior2.setSchedulingBounds(bounds);
+
+        // Create the translate behavior node
+        MouseTranslate behavior3 = new MouseTranslate(viewTrans);
+        scene.addChild(behavior3);
+        behavior3.setSchedulingBounds(bounds);
+
+        // Let Java 3D perform optimizations on this scene graph.
+        scene.compile();
+
+        u.addBranchGraph(scene);
+    }
+
+    public void destroy() {
+	u.cleanup();
+    }
+  
+    public static void main(String argv[]) {
+      System.out.println("Usage: mouse buttons to rotate, zoom or translate the view platform transform"); 
+      System.out.println("       Note that the background geometry only changes with rotation");
+      // the path to the image file for an application
+      java.net.URL bgurl = null;
+      try {
+	  bgurl = new java.net.URL("file:../images/bg.jpg");
+      }
+      catch (java.net.MalformedURLException ex) {
+	  System.out.println(ex.getMessage());
+	  System.exit(1);
+      }
+      new MainFrame(new BackgroundGeometry(bgurl), 750, 750);
+    }
+}
+
-- 
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