package
{
    import org.flixel.*;

    public class PlayState extends FlxState
    {
        private var player:FlxSprite = new FlxSprite;
        private var floor:FlxSprite = new FlxSprite;
        private var leftWall:FlxSprite = new FlxSprite;
        private var rightWall:FlxSprite = new FlxSprite;
        private var playerSpeed:int = 400;
        private var s:FlxSprite = new FlxSprite;
        private const blur:Number = 0.35;
        private var helper:FlxSprite;
        private var score:int = 0;
        private var scoreText:FlxText;
        private var playerWidth:int = 16;

        override public function create():void
        {
            scoreText = new FlxText((FlxG.width / 2)-100, 20, 100, "Score: " + score + "");
            scoreText.alignment = "center";
            add(scoreText);

            helper = new FlxSprite;
            helper.createGraphic(FlxG.width, FlxG.height, 0xFF000000, true);
            helper.alpha = blur;

            player.createGraphic(playerWidth, 8, 0xFFFF8000, true);
            add(player);
            player.y = 220;
            player.x = 50
            player.acceleration.y = 300;
            player.drag.x = 100;
            player.drag.y = 100;
            player.maxVelocity.x = player.maxVelocity.y = 200;

            rightWall.createGraphic(5, FlxG.height, 0xFFFFFFFF);
            rightWall.fixed = true;
            rightWall.x = FlxG.width - 5;
            add(rightWall);

            leftWall.createGraphic(5, FlxG.height, 0xFFFFFFFF);
            leftWall.fixed = true;
            add(leftWall);

            floor.createGraphic(FlxG.width, 5, 0xFFFFFFFF);
            floor.x = 0;
            floor.y = 235;
            floor.fixed = true;
            add(floor)

            var e:FlxEmitter = new FlxEmitter;
            e.width = (FlxG.width - 30);
            e.x = (FlxG.width / 2);
            e.y = -10;
            e.delay = 2;
            e.gravity = 1;
            e.setXSpeed();
            e.minRotation = -20;
            e.maxRotation = 20;
            e.setYSpeed(0, 20);
            var particles:int = 19;
            for (var i:uint = 0; i < particles; i ++)
            {
                s.createGraphic(10, 10, 0xFFFF8000);
                s.exists = false;
                e.add(s);
            }
            e.start(false);
            add(e);


        }
        override public function update():void
        {
            if (FlxG.keys.RIGHT)
                player.velocity.x += playerSpeed * FlxG.elapsed;
            if (FlxG.keys.LEFT)
                player.velocity.x -= playerSpeed * FlxG.elapsed;
            FlxU.collide(floor, player);
            FlxU.collide(leftWall, player);
            FlxU.collide(rightWall, player);
            if (FlxU.collide(s, floor))
                s.exists = false;
            if (FlxU.collide(s, player))
            {
                s.exists = false;
                score ++;
                playerWidth = player.width + 8;
            }
            scoreText.text = "Score: " + score + "";
            player.width = playerWidth;
            super.update();
        }
        override public function preProcess():void
        {
            screen.draw(helper);
        }
    }
}