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.math.ColorRGBA; 36 import com.jme3.math.Vector3f; 37 38 /** 39 * Represents a single particle in a {@link ParticleEmitter}. 40 * 41 * @author Kirill Vainer 42 */ 43 public 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