addTile: function(x, y){
        var tile = this.platforms.getFirstDead();

        tile.reset(x, y);
        tile.body.velocity.y = 150;
        tile.body.immovable = true;

        tile.checkWorldBounds = true;
        tile.outOfBoundsKill = true;
    },

    addPlatform: function(y){
        if(typeof(y) == "undefined"){
            y = -this.tileHeight;
            this.incrementScore();
        }

        var tilesNeeded = Math.ceil(this.game.world.width / this.tileWidth);

        var hole = Math.floor(Math.random() * (tilesNeeded - 3)) + 1;

        for (var i = 0; i < tilesNeeded; i++){
            if (i != hole && i != hole + 1){
                this.addTile(i * this.tileWidth, y);
            }
        }
    },