Move Camera With Keys

var config = {
    type: Phaser.AUTO,
    parent: 'phaser-example',
    width: 800,
    height: 600,
    backgroundColor: '#000000',
    scene: {
        preload: preload,
        create: create,
        update: update
    }
};

var game = new Phaser.Game(config);

function preload ()
{
    this.load.image('grid', 'assets/pics/uv-grid-diag.png');
}

function create ()
{
    //  The grid image is 1024 x 1024, let's draw 4 of them (2 by 2)
    this.add.image(0, 0, 'grid').setOrigin(0);
    this.add.image(1024, 0, 'grid').setOrigin(0);
    this.add.image(0, 1024, 'grid').setOrigin(0);
    this.add.image(1024, 1024, 'grid').setOrigin(0);

    var cursors = this.input.keyboard.createCursorKeys();

    var controlConfig = {
        camera: this.cameras.main,
        left: cursors.left,
        right: cursors.right,
        up: cursors.up,
        down: cursors.down,
        zoomIn: this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.Q),
        zoomOut: this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.E),
        acceleration: 0.06,
        drag: 0.0005,
        maxSpeed: 1.0
    };

    controls = new Phaser.Cameras.Controls.SmoothedKeyControl(controlConfig);

    var cam = this.cameras.main;

    gui = new dat.GUI();

    var help = {
        line1: 'Cursors to move',
        line2: 'Q & E to zoom'
    }

    var f1 = gui.addFolder('Camera');
    f1.add(cam, 'x').listen();
    f1.add(cam, 'y').listen();
    f1.add(cam, 'scrollX').listen();
    f1.add(cam, 'scrollY').listen();
    f1.add(cam, 'rotation').min(0).step(0.01).listen();
    f1.add(cam, 'zoom', 0.1, 2).step(0.1).listen();
    f1.add(help, 'line1');
    f1.add(help, 'line2');
    f1.open();
}

function update (time, delta)
{
    controls.update(delta);
}
                        

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