tetrahedronlsa.java

java 3d编程的一些例子源代码

/*
 * $RCSfile: TetrahedronLSA.java,v $
 *
 * Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 * - Redistribution of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
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 * - Redistribution in binary form must reproduce the above copyright
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 *   distribution.
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 * 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
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 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
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 * 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
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 * You acknowledge that this software is not designed, licensed or
 * intended for use in the design, construction, operation or
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 * $Revision: 1.1 $
 * $Date: 2006/02/01 01:32:52 $
 * $State: Exp $
 */

package org.jdesktop.j3d.examples.picking;

import javax.media.j3d.*;
import javax.vecmath.*;

class TetrahedronLSA extends LineStripArray {
  private static final int[] lineLengths = {
       4, 4
  };
  TetrahedronLSA() {
    super(8, GeometryArray.COORDINATES | GeometryArray.COLOR_3, lineLengths);  
    
    Point3f verts[] = new Point3f[4];
    Color3f colors[] = new Color3f[4];
    
    verts[0] = new Point3f(1.0f,1.0f,1.0f);
    verts[1] = new Point3f(1.0f,-1.0f,-1.0f);
    verts[2] = new Point3f(-1.0f,-1.0f,1.0f);
    verts[3] = new Point3f(-1.0f,1.0f,-1.0f);

    colors[0] = new Color3f(1.0f, 0.0f, 0.0f);
    colors[1] = new Color3f(0.0f, 1.0f, 0.0f);
    colors[2] = new Color3f(0.0f, 0.0f, 1.0f);
    colors[3] = new Color3f(1.0f, 1.0f, 0.0f);
    
    Point3f pnts[] = new Point3f[8];
    Color3f clrs[] = new Color3f[8];

    pnts[0] = verts[0];
    clrs[0] = colors[0];
    pnts[1] = verts[1];
    clrs[1] = colors[1];
    pnts[2] = verts[3];
    clrs[2] = colors[3];
    pnts[3] = verts[2];
    clrs[3] = colors[2];

    pnts[4] = verts[1];
    clrs[4] = colors[1];
    pnts[5] = verts[2];
    clrs[5] = colors[2];
    pnts[6] = verts[0];
    clrs[6] = colors[0];    
    pnts[7] = verts[3];
    clrs[7] = colors[3];
    
    setCoordinates(0, pnts);
    setColors(0, clrs);
  }
}