/**
*
* Class Name  : Particle
* Created     : 28/08/2012
* Require     : Three.js
*
**/

GAME_ENGINE.Particle = function(picture, psize, max) {
	this.psize = (psize) ? psize : 20;
	this.maxParticleCount = (max) ? max : 100;
	this.emitting = false;
	this.particlesCount = 0;
    this.particles = new THREE.Geometry(),
	this.pMaterial = new THREE.ParticleBasicMaterial({ color: 0xFFFFFF, size: psize, map: THREE.ImageUtils.loadTexture(picture), blending: THREE.AdditiveBlending, transparent: true });
	this.particleSystem =  new THREE.ParticleSystem(this.particles, this.pMaterial);
	this.particleSystem.sortParticles = true;
	this.position = new THREE.Vector3(0, 0, 0);
}

GAME_ENGINE.Particle.prototype.getEmitter = function() {
	return this.particleSystem;
};

GAME_ENGINE.Particle.prototype.start = function() {
	this.emitting = true;
};

GAME_ENGINE.Particle.prototype.stop = function() {
	this.emitting = false;
};

GAME_ENGINE.Particle.prototype.update = function( delta ) {
	if (this.emitting) {
		while(this.particlesCount < this.maxParticleCount) {
			particle = new THREE.Vertex(this.position );
			this.particles.vertices.push(particle);
			this.particlesCount +=1;
		}
	}
};