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      1 /*
      2  * Copyright (c) 2009-2010 jMonkeyEngine
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * * Redistributions of source code must retain the above copyright
     10  *   notice, this list of conditions and the following disclaimer.
     11  *
     12  * * Redistributions in binary form must reproduce the above copyright
     13  *   notice, this list of conditions and the following disclaimer in the
     14  *   documentation and/or other materials provided with the distribution.
     15  *
     16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
     17  *   may be used to endorse or promote products derived from this software
     18  *   without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 package com.jme3.bullet.collision.shapes;
     33 
     34 import com.bulletphysics.collision.shapes.BoxShape;
     35 import com.jme3.bullet.util.Converter;
     36 import com.jme3.export.InputCapsule;
     37 import com.jme3.export.JmeExporter;
     38 import com.jme3.export.JmeImporter;
     39 import com.jme3.export.OutputCapsule;
     40 import com.jme3.math.Vector3f;
     41 import java.io.IOException;
     42 
     43 /**
     44  * Basic box collision shape
     45  * @author normenhansen
     46  */
     47 public class BoxCollisionShape extends CollisionShape {
     48 
     49     private Vector3f halfExtents;
     50 
     51     public BoxCollisionShape() {
     52     }
     53 
     54     /**
     55      * creates a collision box from the given halfExtents
     56      * @param halfExtents the halfExtents of the CollisionBox
     57      */
     58     public BoxCollisionShape(Vector3f halfExtents) {
     59         this.halfExtents = halfExtents;
     60         createShape();
     61     }
     62 
     63     public final Vector3f getHalfExtents() {
     64         return halfExtents;
     65     }
     66 
     67     public void write(JmeExporter ex) throws IOException {
     68         super.write(ex);
     69         OutputCapsule capsule = ex.getCapsule(this);
     70         capsule.write(halfExtents, "halfExtents", new Vector3f(1, 1, 1));
     71     }
     72 
     73     public void read(JmeImporter im) throws IOException {
     74         super.read(im);
     75         InputCapsule capsule = im.getCapsule(this);
     76         Vector3f halfExtents = (Vector3f) capsule.readSavable("halfExtents", new Vector3f(1, 1, 1));
     77         this.halfExtents = halfExtents;
     78         createShape();
     79     }
     80 
     81     protected void createShape() {
     82         cShape = new BoxShape(Converter.convert(halfExtents));
     83         cShape.setLocalScaling(Converter.convert(getScale()));
     84         cShape.setMargin(margin);
     85     }
     86 
     87 }
     88