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
33package com.jme3.effect;
34
35import com.jme3.math.ColorRGBA;
36import com.jme3.math.Vector3f;
37
38/**
39 * Represents a single particle in a {@link ParticleEmitter}.
40 *
41 * @author Kirill Vainer
42 */
43public class Particle {
44
45    /**
46     * Particle velocity.
47     */
48    public final Vector3f velocity = new Vector3f();
49
50    /**
51     * Current particle position
52     */
53    public final Vector3f position = new Vector3f();
54
55    /**
56     * Particle color
57     */
58    public final ColorRGBA color = new ColorRGBA(0,0,0,0);
59
60    /**
61     * Particle size or radius.
62     */
63    public float size;
64
65    /**
66     * Particle remaining life, in seconds.
67     */
68    public float life;
69
70    /**
71     * The initial particle life
72     */
73    public float startlife;
74
75    /**
76     * Particle rotation angle (in radians).
77     */
78    public float angle;
79
80    /**
81     * Particle rotation angle speed (in radians).
82     */
83    public float rotateSpeed;
84
85    /**
86     * Particle image index.
87     */
88    public int imageIndex = 0;
89
90    /**
91     * Distance to camera. Only used for sorted particles.
92     */
93    //public float distToCam;
94}
95