class PParticle extends PVector
{
    PParticle()
    {
        super();
    }  
    
    PParticle(float _x, float _y, ParticleSystem _physics)
    {
        super(_x, _y);
        particle = _physics.makeParticle(1.0, x, y, 0.0);
    }
    
    void restart(ParticleSystem _physics)
    {
        particle.kill();
        particle = _physics.makeParticle(1.0, x, y, 0.0);        
    }
    
    void moveTo(float _x, float _y)
    {
        x = _x;
        y = _y;
        particle.moveTo(x, y, 0);
    }    
    
    void displace(float _dx, float _dy)
    {
        x += _dx;
        y += _dy;
        particle.moveTo(x, y, 0);
    }     
    
    void update()
    {
        x = particle.position().x();
        y = particle.position().y();       
    }
 
    Particle particle;    
}