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.effect;
34 
35 import com.jme3.renderer.Camera;
36 import java.util.Comparator;
37 
38 @Deprecated
39 class ParticleComparator implements Comparator<Particle> {
40 
41     private Camera cam;
42 
setCamera(Camera cam)43     public void setCamera(Camera cam){
44         this.cam = cam;
45     }
46 
compare(Particle p1, Particle p2)47     public int compare(Particle p1, Particle p2) {
48         return 0; // unused
49         /*
50         if (p1.life <= 0 || p2.life <= 0)
51             return 0;
52 
53 //        if (p1.life <= 0)
54 //            return 1;
55 //        else if (p2.life <= 0)
56 //            return -1;
57 
58         float d1 = p1.distToCam, d2 = p2.distToCam;
59 
60         if (d1 == -1){
61             d1 = cam.distanceToNearPlane(p1.position);
62             p1.distToCam = d1;
63         }
64         if (d2 == -1){
65             d2 = cam.distanceToNearPlane(p2.position);
66             p2.distToCam = d2;
67         }
68 
69         if (d1 < d2)
70             return 1;
71         else if (d1 > d2)
72             return -1;
73         else
74             return 0;
75         */
76     }
77 }