package {
    import flash.display.Sprite;
    
    public class Truck extends Sprite {
        public var vx:Number;
        public var vy:Number;
        
        public function Truck(width:Number, height:Number):void {
            vx = 0;
            vy = 0;
             // draw red rectangle at (40, 40) with width of 200 and height of 100
            graphics.beginFill(0xFF0000);
            graphics.drawRect(0, 0, width, height);
            graphics.endFill();
            // draw two circles with a background color of 0xCCCCCC and
            // a 2px black outline. the wheels shoulds be lined up along
            // the bottom edge of the car, 40 pixels in from either side.
            graphics.beginFill(0xCCCCCC);
            graphics.lineStyle(2, 0x000000);
            graphics.drawCircle(40, height, 20);
            graphics.drawCircle(width - 40, height, 20);
            graphics.endFill();
            // draw the front of the car
            graphics.moveTo(width, 0);
            graphics.lineTo(width + 20, height);
            graphics.lineTo(width, height);
            graphics.lineStyle();
        }
        
        public function update():void {
            x += vx;
            y += vy;
        }
    }
}