Dynamic Properties Multiple

class Example extends Phaser.Scene
{
    constructor()
    {
        super();
    }

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v385');
        this.load.image('ball', 'assets/sprites/shinyball.png');
    }

    create ()
    {
        var image = this.add.image(100, 100, 'ball');

        var destX = 700;

        //  TODO: Cache the start and end values so that on a Tween LOOP (not a TweenData repeat) it can reset them :)

        var tween = this.tweens.add({

            targets: image,

            props: {

                y: {
                    value: 500,
                    duration: 8000,
                    ease: 'Power1'
                },

                x: {
                    duration: 400,
                    yoyo: true,
                    repeat: 8,
                    ease: 'Sine.easeInOut',
                    value: {

                        getEnd: function (target, key, value)
                        {
                            destX -= 30;

                            return destX;
                        },

                        getStart: function (target, key, value)
                        {
                            return value + 30;
                        }

                    }
                }

            }

        });
    }
}

const config = {
    type: Phaser.AUTO,
    width: 800,
    height: 600,
    backgroundColor: '#2d2d2d',
    parent: 'phaser-example',
    scene: Example
};

const game = new Phaser.Game(config);