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diff --git a/engine/src/core/com/jme3/effect/Particle.java b/engine/src/core/com/jme3/effect/Particle.java
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+/*
+ * Copyright (c) 2009-2010 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.jme3.effect;
+
+import com.jme3.math.ColorRGBA;
+import com.jme3.math.Vector3f;
+
+/**
+ * Represents a single particle in a {@link ParticleEmitter}.
+ * 
+ * @author Kirill Vainer
+ */
+public class Particle {
+    
+    /**
+     * Particle velocity.
+     */
+    public final Vector3f velocity = new Vector3f();
+    
+    /**
+     * Current particle position
+     */
+    public final Vector3f position = new Vector3f();
+    
+    /**
+     * Particle color
+     */
+    public final ColorRGBA color = new ColorRGBA(0,0,0,0);
+    
+    /**
+     * Particle size or radius.
+     */
+    public float size;
+    
+    /**
+     * Particle remaining life, in seconds.
+     */
+    public float life;
+    
+    /**
+     * The initial particle life
+     */
+    public float startlife;
+    
+    /**
+     * Particle rotation angle (in radians).
+     */
+    public float angle;
+    
+    /**
+     * Particle rotation angle speed (in radians).
+     */
+    public float rotateSpeed;
+    
+    /**
+     * Particle image index. 
+     */
+    public int imageIndex = 0;
+    
+    /**
+     * Distance to camera. Only used for sorted particles.
+     */
+    //public float distToCam;
+}