Home | History | Annotate | Download | only in effect 
      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