ready button class

ready = function(game) {
    this.game = game;
};

ready.prototype = {

    preload: function() {
        game.load.image("readyButton", "assets/readyButton.png");
    },

    create: function() {
        this.readyButton = game.add.button(game.world.centerX, game.world.centerY, "readyButton", this.isReady(), this);
        this.readyButton.anchor.setTo(0.5, 0.5);
        this.readyButton.inputEnabled = true;
    },

    update: function() {
        this.buttonActive();
    },

    isReady: function() {
        if(this.readyButt)
            game.global.ready = true;
    }
};