// Create a new Scale Manager and set it to scale the game to the full width of the window

const scaleManager = new Phaser.Scale.ScaleManager(this, {

  width: window.innerWidth,

  height: window.innerHeight

});

​

// Set the Scale Manager to use the 'SHOW_ALL' scaling mode, which will scale the game

// while preserving its aspect ratio

scaleManager.scaleMode = Phaser.Scale.ScaleManager.SHOW_ALL;

​

// Set the min and max dimensions for the game

scaleManager.setMinMax(480, 260, 2048, 1536);

​

// Set the page alignment to center the game horizontally

scaleManager.pageAlignHorizontally = true;

​