Initial creation of j3d-examples sources in CVS repository

1 files changed, 192 insertions, 0 deletions

diff --git a/src/Morphing/Pyramid2Cube.java b/src/Morphing/Pyramid2Cube.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 Pyramid2Cube extends Applet {
+
+    private SimpleUniverse u = null;
+
+    private 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 a bounds for the background and behavior
+ 	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 bg = new Background(bgColor);
+ 	bg.setApplicationBounds(bounds);
+ 	objScale.addChild(bg);
+
+	//
+	// Create the transform group nodes for the 3 original objects
+	// and the morphed object.  Add them to the root of the
+	// branch graph.
+	//
+	TransformGroup objTrans[] = new TransformGroup[4];
+
+	for(int i=0; i<4; i++) {
+	    objTrans[i] = new TransformGroup();
+	    objScale.addChild(objTrans[i]);
+	}
+
+	Transform3D tr = new Transform3D();
+	Transform3D rotY15 = new Transform3D();
+	rotY15.rotY(15.0 * Math.PI / 180.0);
+
+	objTrans[0].getTransform(tr);
+	tr.setTranslation(new Vector3d(-3.0, 1.5, -6.5));
+	tr.mul(rotY15);
+	objTrans[0].setTransform(tr);
+
+	objTrans[1].getTransform(tr);
+	tr.setTranslation(new Vector3d(0.0, 1.5, -6.5));
+	tr.mul(rotY15);
+	objTrans[1].setTransform(tr);
+
+	objTrans[2].getTransform(tr);
+	tr.setTranslation(new Vector3d(3.0, 1.5, -6.5));
+	tr.mul(rotY15);
+	objTrans[2].setTransform(tr);
+
+	objTrans[3].getTransform(tr);
+	tr.setTranslation(new Vector3d(0.0, -2.0, -5.0));
+	tr.mul(rotY15);
+	objTrans[3].setTransform(tr);
+
+	// Now create simple geometries.
+
+	QuadArray g[] = new QuadArray[3];
+	Shape3D shape[] = new Shape3D[3];
+	for(int i=0; i<3; i++) {
+	    g[i] = null;
+	    shape[i] = null;
+	}
+
+	g[0] = new ColorPyramidUp();
+	g[1] = new ColorCube();
+	g[2] = new ColorPyramidDown();
+
+	Appearance a = new Appearance();
+
+	for(int i=0; i<3;i++) {
+	    shape[i] = new Shape3D(g[i],a); 
+	    objTrans[i].addChild(shape[i]);
+	}
+
+	//
+	// Create a Morph node, and set the appearance and input geometry
+	// arrays.  Set the Morph node's capability bits to allow the weights
+	// to be modified at runtime.
+	//
+ 	Morph morph = new Morph((GeometryArray[]) g, a);
+	morph.setCapability(Morph.ALLOW_WEIGHTS_READ);
+	morph.setCapability(Morph.ALLOW_WEIGHTS_WRITE);
+
+	objTrans[3].addChild(morph);
+
+	// Now create the Alpha object that controls the speed of the
+	// morphing operation.
+	Alpha morphAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE |
+				     Alpha.DECREASING_ENABLE,
+				     0, 0,
+				     4000, 1000, 500,
+				     4000, 1000, 500);
+
+	// Finally, create the morphing behavior
+	MorphingBehavior mBeh = new MorphingBehavior(morphAlpha, morph);
+	mBeh.setSchedulingBounds(bounds);
+	objScale.addChild(mBeh);
+
+	return objRoot;
+    }
+
+    public Pyramid2Cube() {
+    }
+
+    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();
+	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();
+    }
+
+    public static void main(String[] args) {
+	new MainFrame(new Pyramid2Cube(), 700, 700);
+    }
+}