diff options
Diffstat (limited to 'src/Morphing/Pyramid2Cube.java')
| -rw-r--r-- | src/Morphing/Pyramid2Cube.java | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/Morphing/Pyramid2Cube.java b/src/Morphing/Pyramid2Cube.java new file mode 100644 index 0000000..9d3858c --- /dev/null +++ b/src/Morphing/Pyramid2Cube.java @@ -0,0 +1,192 @@ +/* + * $RCSfile$ + * + * 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); + } +} |