org.jbox2d.util.sph.Particle Maven / Gradle / Ivy

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 * Copyright (c) 2011, Daniel Murphy
 * All rights reserved.
 * 
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 *       documentation and/or other materials provided with the distribution.
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 *       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
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL DANIEL MURPHY BE LIABLE FOR ANY
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package org.jbox2d.util.sph;

import org.jbox2d.common.Vec2;

public class Particle {

	public Vec2 pos;
	public Vec2 vel;
	public double mass;
	protected int deleted;
	
	public Particle() {
		pos = new Vec2();
		vel = new Vec2();
		mass = 0.0;
		deleted = 1;
	}
		
	public Particle(Vec2 p, Vec2 v, double m) {
		pos = p.clone();
		vel = v.clone();
		mass = m;
	}
		
	public Particle(Particle P) {
		pos = P.pos.clone();
		vel = P.vel.clone();
		mass = P.mass;
		deleted = P.deleted;
	}

	public void deleteParticle()		       { deleted = 1; }
	public void undeleteParticle()		       { deleted = 0; }
	public boolean isEmpty()		      	   { return ((deleted!=0)?true:false); }
		
}