package
{
    import flash.Boot;
    import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.display.StageAlign;
    import flash.display.StageQuality;
    import flash.display.StageScaleMode;
    import flash.events.Event;
    import flash.events.KeyboardEvent;
    import flash.events.MouseEvent;
    import flash.text.TextField;
    import flash.text.TextFieldAutoSize;
    import flash.text.TextFormat;
    import flash.ui.Keyboard;

    import nape.geom.*;
    import nape.phys.*;
    import nape.space.*;
    import nape.util.*;

    [SWF(width="800", height="600", backgroundColor="#ffffff")]

    public class Main extends Sprite
    {
        private var kUp:Boolean = false;
        private var kDn:Boolean = false;
        private var kLt:Boolean = false;
        private var kRt:Boolean = false;
        static public var space:Space;
        static public var prop:Properties;
        private var mPlayer:Body;
        public function Main()
        {
            new Boot(); // <---- Necessary for Nape (or any other haXe library)
            if (stage) init();
            else addEventListener(Event.ADDED_TO_STAGE, init);
        }

        private function init(e:Event = null):void
        {
            removeEventListener(Event.ADDED_TO_STAGE, init);

            space = new UniformSleepSpace(new AABB(0,0,800,600),15);
            var material:Material = new Material(1, 1, 100, 1);
            //create NAPE text representation
            var tf:TextFormat = new TextFormat();
            tf.bold = true;
            tf.font = "Verdana";
            tf.size = 35;

            var text:TextField = new TextField();
            text.text = "NAPE";
            text.setTextFormat(tf);
            text.autoSize = TextFieldAutoSize.LEFT;
            var bit:BitmapData = new BitmapData(int(text.width), int(text.height), false, 0xffffff);
            bit.draw(text);

            //MASSIVE air resistance
            prop = new Properties(0.005, 0.005);

            var b:Body;
            for (var x:uint = 0; x < bit.width; x++)
            {
                for (var y:uint = 0; y < bit.height; y++)
                {
                    if ((bit.getPixel(x, y) & 0xff) < 0x80)
                    {
                        space.addObject(b = Tools.createBox(20 + x * 7, 120 + y * 7, 7, 7, 0, 0, 0, true, Material.Ice, 1, 0, prop));
                        addChild(b.graphic);
                    }
                }
            }



            //set graphical quality to medium
            stage.quality = StageQuality.MEDIUM;
            stage.frameRate = 60;
            stage.scaleMode = StageScaleMode.NO_SCALE;
            stage.align = StageAlign.TOP_LEFT;

            space.addObject(mPlayer = Tools.createBox(0, 0, 14, 14, 0, 0, 0, false, Material.Ice, 1, 0, prop));
            addChild(mPlayer.graphic);

            mPlayer.stopRotation();
            //set up events
            addEventListener(Event.ENTER_FRAME, onEnterFrame);
            //stage.addEventListener(MouseEvent.MOUSE_DOWN, mdown);
            stage.addEventListener(KeyboardEvent.KEY_DOWN, keydown);
            stage.addEventListener(KeyboardEvent.KEY_UP, keyup);
        }






        private function onEnterFrame(e:Event):void {
            var velx:int = 0;
            var vely:int = 0;
            if (this.kLt) {
                velx -= 100;
            }
            if (this.kRt) {
                velx += 100;
            }
            if (this.kUp) {
                vely -= 100;
            }
            if (this.kDn) {
                vely += 100;
            }
            mPlayer.vx = velx;
            mPlayer.vy = vely;
           //mPlayer.setVel( velx, vely);
            space.wakeObject(mPlayer);


            space.step(1/60, 1,1);
        }






        private function keyup(keyEvent:KeyboardEvent) {
            switch(keyEvent.keyCode){
                case Keyboard.LEFT:
                    kLt = false;
                    break;
                case Keyboard.RIGHT:
                    kRt = false;
                    break;
                case Keyboard.UP:
                    kUp = false;
                    break;
                case Keyboard.DOWN:
                    kDn = false;
                    break;
            }
        }

        private function keydown(keyEvent:KeyboardEvent) {
            switch(keyEvent.keyCode){
                case Keyboard.LEFT:
                    kLt = true;
                    break;
                case Keyboard.RIGHT:
                    kRt = true;
                    break;
                case Keyboard.UP:
                    kUp = true;
                    break;
                case Keyboard.DOWN:
                    kDn = true;
                    break;
            }
        }
    }
}