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 
BoxCollisionShape()51     public BoxCollisionShape() {
52     }
53 
54     /**
55      * creates a collision box from the given halfExtents
56      * @param halfExtents the halfExtents of the CollisionBox
57      */
BoxCollisionShape(Vector3f halfExtents)58     public BoxCollisionShape(Vector3f halfExtents) {
59         this.halfExtents = halfExtents;
60         createShape();
61     }
62 
getHalfExtents()63     public final Vector3f getHalfExtents() {
64         return halfExtents;
65     }
66 
write(JmeExporter ex)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 
read(JmeImporter im)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 
createShape()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