function Particle()
{
	this.id = 0;
	this._pos = vec3.fromValues(0,0,0);
	this._vel = vec3.fromValues(0,0,0);
	this.life = 1;
	this.angle = 0;
	this.size = 1;
	this.rot = 0;
}
The base class used by the ParticlesEmissor
@class Particle
@namespace LS
@constructor
@param {Object} object to configure from