/* * @(#)GeometryByReferenceTest.java 1.12 02/10/21 13:41:27 * * Copyright (c) 1996-2002 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: * * - Redistributions 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 AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THE 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 SOFTWARE, * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that Software is not designed,licensed or intended * for use in the design, construction, operation or maintenance of * any nuclear facility. */ import java.awt.*; import com.sun.j3d.utils.applet.MainFrame; import com.sun.j3d.utils.universe.*; import javax.media.j3d.*; import javax.vecmath.*; import javax.swing.*; import com.sun.j3d.utils.behaviors.vp.*; public class GeometryByReferenceTest extends JApplet implements GeometryUpdater { RenderingAttributes ra; ColoringAttributes ca; Material mat; Appearance app; Shape3D shape; TransparencyAttributes transp; int updateIndex = 0; int colorCount = 0, vertexCount = 0; int vertexIndex = 0, colorIndex = 0; GeometryArray tetraIndexed ; private static final float sqrt3 = (float) Math.sqrt(3.0); private static final float sqrt3_3 = sqrt3 / 3.0f; private static final float sqrt24_3 = (float) Math.sqrt(24.0) / 3.0f; private static final float ycenter = 0.5f * sqrt24_3; private static final float zcenter = -sqrt3_3; private static final Point3f p1 = new Point3f(-1.0f, -ycenter, -zcenter); private static final Point3f p2 = new Point3f(1.0f, -ycenter, -zcenter); private static final Point3f p3 = new Point3f(0.0f, -ycenter, -sqrt3 - zcenter); private static final Point3f p4 = new Point3f(0.0f, sqrt24_3 - ycenter, 0.0f); private static final Color3f c1 = new Color3f(0.6f, 0.0f, 0.0f); private static final Color3f c2 = new Color3f(0.0f, 0.6f, 0.0f); private static final Color3f c3 = new Color3f(0.0f, 0.6f, 0.6f); private static final Color3f c4 = new Color3f(0.6f, 0.6f, 0.0f); private static final float[] indexedFloatVerts = { p1.x, p1.y, p1.z, p2.x, p2.y, p2.z, p3.x, p3.y, p3.z, p4.x, p4.y, p4.z, }; private static final float[] indexedFloatClrs = { c1.x, c1.y, c1.z, c2.x, c2.y, c2.z, c3.x, c3.y, c3.z, c4.x, c4.y, c4.z, }; private static final Point3f[] indexedP3fVerts = { p1, p2, p3, p4 }; private static final Color3f[] indexedC3fClrs = { c1, c2, c3, c4 }; private static final int[] indices = { 0, 1, 3, 0, 3, 2, 1, 2, 3, 0, 2, 1 }; private SimpleUniverse u; public Transform3D t3D= null ; public TransformGroup trans = null; /** * Default Constructor */ public GeometryByReferenceTest() { } /** * Create the scene graph for the test... IndexedTriangle * @return BranchGroup */ BranchGroup createSceneGraph() { BranchGroup objRoot = new BranchGroup(); // Set up attributes to render lines app = new Appearance(); transp = new TransparencyAttributes(); transp.setTransparency(0.5f); transp.setCapability(TransparencyAttributes.ALLOW_MODE_WRITE); transp.setTransparencyMode(TransparencyAttributes.NONE); app.setTransparencyAttributes(transp); tetraIndexed = createGeometry( ); shape = new Shape3D(tetraIndexed, app); shape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE); shape.setCapability(Shape3D.ALLOW_GEOMETRY_READ); t3D = new Transform3D(); trans = new TransformGroup(t3D); trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); objRoot.addChild(trans); trans.addChild(shape); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Add the Null update Behavior --- THis will cause the shape to updateData every frame NullUpdateBehavior badBehavior = new NullUpdateBehavior(this); badBehavior.setSchedulingBounds(bounds); objRoot.addChild(badBehavior); // Set up the global lights Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f); Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f); Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); AmbientLight aLgt = new AmbientLight(alColor); aLgt.setInfluencingBounds(bounds); DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1); lgt1.setInfluencingBounds(bounds); objRoot.addChild(aLgt); objRoot.addChild(lgt1); // Let Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; } /** * Rotate the object around the X and Y axis .. just to give it some * motion. Also apply default scale and translate to place it on the * screen. */ public void rotateShape ( float angle) { // move the object upwards t3D.set(new Vector3f(0.0f, 0.3f, 0.0f)); // rotate the shape Transform3D temp = new Transform3D(); temp.rotX(angle ); t3D.mul(temp); temp.rotY(angle ); t3D.mul(temp); // Shrink the object t3D.setScale(0.6); trans.setTransform( t3D); } public void init() { Container contentPane = getContentPane(); Canvas3D c = new Canvas3D(SimpleUniverse.getPreferredConfiguration()); contentPane.add("Center", c); BranchGroup scene = createSceneGraph(); // SimpleUniverse is a Convenience Utility class u = new SimpleUniverse(c); // add mouse behaviors to the viewingPlatform ViewingPlatform viewingPlatform = u.getViewingPlatform(); // This will move the ViewPlatform back a bit so the // objects in the scene can be viewed. viewingPlatform.setNominalViewingTransform(); u.addBranchGraph(scene); // add Orbit behavior to the ViewingPlatform OrbitBehavior orbit = new OrbitBehavior(c, OrbitBehavior.REVERSE_ALL); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); orbit.setSchedulingBounds(bounds); viewingPlatform.setViewPlatformBehavior(orbit); } public void destroy() { u.cleanup(); } public GeometryArray createGeometry() { GeometryArray tetra = null; tetra = new IndexedTriangleArray( 4, IndexedTriangleArray.COORDINATES | IndexedTriangleArray.COLOR_3 | IndexedTriangleArray.BY_REFERENCE, 12); tetra.setCoordRefFloat(indexedFloatVerts); tetra.setColorRefFloat(indexedFloatClrs); ((IndexedTriangleArray) tetra).setCoordinateIndices(0, indices); ((IndexedTriangleArray) tetra).setColorIndices(0, indices); if (tetra != null) tetra.setCapability(GeometryArray.ALLOW_REF_DATA_WRITE); return tetra; } /* * This is the updateData interface ... don't do anything for this test */ public void updateData(Geometry geometry) { } public static void main(String[] args) { Frame frame = new MainFrame(new GeometryByReferenceTest(), 800, 800); } }