// Here is a custom game object MonsterBunny = function (game, x, y, rotateSpeed) { Phaser.Sprite.call(this, game, x, y, 'bunny'); this.rotateSpeed = rotateSpeed; }; MonsterBunny.prototype = Object.create(Phaser.Sprite.prototype); MonsterBunny.prototype.constructor = MonsterBunny; /** * Automatically called by World.update */ MonsterBunny.prototype.update = function() { this.angle += this.rotateSpeed; }; var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create }); function preload() { game.load.image('bunny', 'assets/sprites/bunny.png'); } function create() { var wabbit = new MonsterBunny(game, 200, 300, 1); wabbit.anchor.setTo(0.5, 0.5); var wabbit2 = new MonsterBunny(game, 600, 300, 0.5); wabbit2.anchor.setTo(0.5, 0.5); game.add.existing(wabbit); game.add.existing(wabbit2); }