Initial creation of j3d-examples sources in CVS repository

1 files changed, 206 insertions, 0 deletions

diff --git a/src/GearTest/GearTest.java b/src/GearTest/GearTest.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 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.*;
+
+public class GearTest extends Applet {
+
+    static final int defaultToothCount = 24;
+
+    private int toothCount;
+
+    private SimpleUniverse u = null;
+
+    public BranchGroup createSceneGraph(int toothCount) {
+	// 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 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
+	Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);
+	Background bgNode = new Background(bgColor);
+	bgNode.setApplicationBounds(bounds);
+	objScale.addChild(bgNode);
+
+	// Set up the global lights
+	Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
+	Vector3f light1Direction  = new Vector3f(4.0f, -7.0f, -12.0f);
+	Color3f light2Color = new Color3f(0.3f, 0.3f, 0.4f);
+	Vector3f light2Direction  = new Vector3f(-6.0f, -2.0f, -1.0f);
+	Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);
+
+	AmbientLight ambientLightNode = new AmbientLight(ambientColor);
+	ambientLightNode.setInfluencingBounds(bounds);
+	objScale.addChild(ambientLightNode);
+
+	DirectionalLight light1
+	    = new DirectionalLight(light1Color, light1Direction);
+	light1.setInfluencingBounds(bounds);
+	objScale.addChild(light1);
+
+	DirectionalLight light2
+	    = new DirectionalLight(light2Color, light2Direction);
+	light2.setInfluencingBounds(bounds);
+	objScale.addChild(light2);
+
+	// 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.  Add it to the
+	// root of the subgraph.
+	TransformGroup objTrans = new TransformGroup();
+	objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+	objScale.addChild(objTrans);
+
+	// Create an Appearance.
+	Appearance look = new Appearance();
+	Color3f objColor = new Color3f(0.5f, 0.5f, 0.6f);
+	Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
+	Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
+	look.setMaterial(new Material(objColor, black, objColor, white, 100.0f));
+
+	// Create a gear, add it to the scene graph.
+	//	SpurGear gear = new SpurGear(toothCount, 1.0f, 0.2f,
+	SpurGear gear = new SpurGearThinBody(toothCount, 1.0f, 0.2f,
+				     0.05f, 0.05f, 0.3f, 0.28f, look);
+	objTrans.addChild(gear);
+
+	// Create a new Behavior object that will rotate the object and
+	// add it into the scene graph.
+	Transform3D yAxis = new Transform3D();
+	Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
+					0, 0,
+					8000, 0, 0,
+					0, 0, 0);
+
+	RotationInterpolator rotator =
+	    new RotationInterpolator(rotationAlpha, objTrans, yAxis,
+				     0.0f, (float) Math.PI*2.0f);
+	rotator.setSchedulingBounds(bounds);
+	objTrans.addChild(rotator);
+
+        // Have Java 3D perform optimizations on this scene graph.
+        objRoot.compile();
+
+	return objRoot;
+    }
+
+    public GearTest() {
+	this(defaultToothCount);
+    }
+
+    public GearTest(int toothCount) {
+	this.toothCount = toothCount;
+    }
+
+    public void init() {
+	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(toothCount);
+	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 GearTest to be run as an application
+    // as well as an applet
+    //
+    public static void main(String[] args) {
+	int value;
+	
+	if (args.length > 1) {
+	    System.out.println("Usage: java GearTest [#teeth]");
+	    System.exit(0);
+	} else if (args.length == 0) {	
+	    new MainFrame(new GearTest(), 700, 700);
+	} else
+	    {
+		try {
+		    value = Integer.parseInt(args[0]);
+		} catch (NumberFormatException e) {
+		    System.out.println("Illegal integer specified");
+		    System.out.println("Usage: java GearTest [#teeth]");
+		    value = 0;
+		    System.exit(0);
+		}
+		if (value <= 0) {
+		    System.out.println("Integer must be positive (> 0)");
+		    System.out.println("Usage: java GearBox [#teeth]");
+		    System.exit(0);
+		}
+		new MainFrame(new GearTest(value), 700, 700);
+	    }
+    }
+}