• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 
33 package com.jme3.scene.debug;
34 
35 import com.jme3.bounding.BoundingBox;
36 import com.jme3.scene.Mesh;
37 import com.jme3.scene.VertexBuffer;
38 import com.jme3.scene.VertexBuffer.Format;
39 import com.jme3.scene.VertexBuffer.Type;
40 import com.jme3.scene.VertexBuffer.Usage;
41 import com.jme3.util.BufferUtils;
42 import java.nio.FloatBuffer;
43 
44 public class WireBox extends Mesh {
45 
WireBox()46     public WireBox(){
47         this(1,1,1);
48     }
49 
WireBox(float xExt, float yExt, float zExt)50     public WireBox(float xExt, float yExt, float zExt){
51         updatePositions(xExt,yExt,zExt);
52         setBuffer(Type.Index, 2,
53                 new short[]{
54                      0, 1,
55                      1, 2,
56                      2, 3,
57                      3, 0,
58 
59                      4, 5,
60                      5, 6,
61                      6, 7,
62                      7, 4,
63 
64                      0, 4,
65                      1, 5,
66                      2, 6,
67                      3, 7,
68                 }
69         );
70         setMode(Mode.Lines);
71 
72         updateCounts();
73     }
74 
updatePositions(float xExt, float yExt, float zExt)75     public void updatePositions(float xExt, float yExt, float zExt){
76         VertexBuffer pvb = getBuffer(Type.Position);
77         FloatBuffer pb;
78         if (pvb == null){
79             pvb = new VertexBuffer(Type.Position);
80             pb = BufferUtils.createVector3Buffer(8);
81             pvb.setupData(Usage.Dynamic, 3, Format.Float, pb);
82             setBuffer(pvb);
83         }else{
84             pb = (FloatBuffer) pvb.getData();
85             pvb.updateData(pb);
86         }
87         pb.rewind();
88         pb.put(
89             new float[]{
90                 -xExt, -yExt,  zExt,
91                  xExt, -yExt,  zExt,
92                  xExt,  yExt,  zExt,
93                 -xExt,  yExt,  zExt,
94 
95                 -xExt, -yExt, -zExt,
96                  xExt, -yExt, -zExt,
97                  xExt,  yExt, -zExt,
98                 -xExt,  yExt, -zExt,
99             }
100         );
101         updateBound();
102     }
103 
fromBoundingBox(BoundingBox bbox)104     public void fromBoundingBox(BoundingBox bbox){
105         updatePositions(bbox.getXExtent(), bbox.getYExtent(), bbox.getZExtent());
106     }
107 
108 }
109