(function() {
    "use strict";

var Bullet = function(data) {
    this.initialize(data);
}
var p = Bullet.prototype = new createjs.Bitmap();
    
    p.area = null;
    p.speed = null;
    p.damage = null;
    p.mindepth = null;
    p.maxdepth = null;

    p.Bitmap_initialize = p.initialize;

    p.initialize = function(data) {
        this.Bitmap_initialize(loader.getResult(data.id));
        this.regX = this.image.width/2;
        this.regY = this.image.height/2;
        
        this.area   = data.area;
        this.speed  = data.speed;
        this.damage = data.damage;
        this.mindepth = data.mindepth;
        this.maxdepth = data.maxdepth;
    }
    
    p.move = function(fdelta) {
        if (this.maxdepth && this.y > this.maxdepth) 
            return;

        this.y += this.speed*fdelta;
    }

window.Bullet = Bullet;
}());