Shape3DImage.ts

/// <reference path="defs/PIXI.d.ts" />

module djankey {
    export class Shape3DImage extends PIXI.Sprite {
        private sid:number;
        public power:number = 100+50*Math.random();
        private vx:number;
        private vy:number;
        private rSpeed:number = Math.random() / 300;

        constructor(tex:PIXI.Texture, id:number) {
            super(tex);

            this.sid = id;

            var speed:number = 10*(.2 + Math.random());
            var a3:number = 2 * Math.PI * Math.random();
            this.vx = Math.sin(a3) * speed;
            this.vy = Math.cos(a3) * speed;

            this.interactive = false;
        }

        public update = (t:number):void => {
            var ft:number = this.sid + t * this.rSpeed;
            this.rotation = this.sid + t * this.rSpeed;
            this.scale.x = Math.sin(ft);
            this.scale.y = Math.cos(ft);
            this.power--;
            this.alpha = this.power / 100;
            this.vy += .1;
            this.vx *= .95;
            this.vy *= .95;
            this.x += this.vx;
            this.y += this.vy;
        }
    }
}