/**
 * Raw ParticleEngine API object - should always correspond with the ParticleEngine Schema
 * @param id
 * @param name
 * @param position
 * @param direction
 * @param enabled
 * @param templateParticle
 * @param particlesPerSecond
 * @param frequency
 * @param elapsed
 * @param camera
 * @param parentEntity
 * @constructor
 */
GameLib.D3.API.ParticleEngine = function(
    id,
    name,
    position,
    direction,
    enabled,
    templateParticle,
    particlesPerSecond,
    frequency,
    elapsed,
    camera,
    parentEntity
) {

    if (GameLib.Utils.UndefinedOrNull(id)) {
        id = GameLib.Utils.RandomId();
    }
    this.id = id;

    if (GameLib.Utils.UndefinedOrNull(name)) {
        name = 'ParticleEngine (' + this.id + ')';
    }
    this.name = name;

    if (GameLib.Utils.UndefinedOrNull(position)) {
        position = new GameLib.API.Vector3(0, 0, 0);
    }
    this.position = position;

    if (GameLib.Utils.UndefinedOrNull(direction)) {
        direction = new GameLib.API.Vector3(0, 1, 0);
    }
    this.direction = direction;

    if (GameLib.Utils.UndefinedOrNull(enabled)) {
        enabled = false;
    }
    this.enabled = enabled;

    if (GameLib.Utils.UndefinedOrNull(templateParticle)) {
        templateParticle = null;
    }
    this.templateParticle = templateParticle;

    if (GameLib.Utils.UndefinedOrNull(particlesPerSecond)) {
        particlesPerSecond = 1;
    }
    this.particlesPerSecond = particlesPerSecond;

    if (GameLib.Utils.UndefinedOrNull(frequency)) {
        frequency = Number(1 / Number(this.particlesPerSecond));
    }
    this.frequency = frequency;

    if (GameLib.Utils.UndefinedOrNull(elapsed)) {
        elapsed = 0;
    }
    this.elapsed = elapsed;

    if (GameLib.Utils.UndefinedOrNull(camera)) {
        camera = null;
    }
    this.camera = camera;

    if (GameLib.Utils.UndefinedOrNull(parentEntity)) {
        parentEntity = null;
    }
    this.parentEntity = parentEntity;
};

GameLib.D3.API.ParticleEngine.prototype = Object.create(GameLib.Component.prototype);
GameLib.D3.API.ParticleEngine.prototype.constructor = GameLib.D3.API.ParticleEngine;


/**
 * Creates an API ParticleEngine from an Object ParticleEngine
 * @param objectParticleEngine
 * @constructor
 */
GameLib.D3.API.ParticleEngine.FromObject = function(objectParticleEngine) {

    var apiTemplateParticle = null;
    if (objectParticleEngine.templateParticle) {
        if (objectParticleEngine.templateParticle instanceof Object) {
            apiTemplateParticle = GameLib.D3.API.Particle.FromObject(objectParticleEngine.templateParticle);
        } else {
            apiTemplateParticle = objectParticleEngine.templateParticle;
        }
    }

    var apiPosition = null;
    if (objectParticleEngine.position) {
        apiPosition = GameLib.API.Vector3.FromObject(objectParticleEngine.position);
    }

    var apiDirection = null;
    if (objectParticleEngine.direction) {
        apiDirection = GameLib.API.Vector3.FromObject(objectParticleEngine.direction);
    }

    return new GameLib.D3.API.ParticleEngine(

        objectParticleEngine.id,
        objectParticleEngine.name,
        apiPosition,
        apiDirection,
        objectParticleEngine.enabled,
        apiTemplateParticle,
        objectParticleEngine.particlesPerSecond,
        objectParticleEngine.frequency,
        objectParticleEngine.elapsed,
        objectParticleEngine.camera,
        objectParticleEngine.parentEntity

    );

};