player.js

var PlayerGravity = function (game, x, y) {
    this.game     = game;
    this.speed    = 5;

    Phaser.Sprite.call(this, this.game, this.game.world.randomX, 10, 'chocobo');

    game.physics.enable( [ this ], Phaser.Physics.ARCADE);
    this.body.collideWorldBounds = true;
    this.body.bounce.y = 0.8;
};

PlayerGravity.prototype = Object.create(Phaser.Sprite.prototype);
PlayerGravity.prototype.constructor = PlayerGravity;

PlayerGravity.prototype.update = function() {
};


module.exports = PlayerGravity;