CODE EXAMPLE FOR JAVASCRIPT

phaser wrap in rectangle

  preload ()
    {
        this.load.image('ball', 'assets/sprites/shinyball.png');
    }

    create ()
    {
        this.rect = new Phaser.Geom.Rectangle(100, 100, 256, 256);
        this.group = this.add.group({ key: 'ball', frameQuantity: 32 });

        Phaser.Actions.RandomRectangle(this.group.getChildren(), this.rect);
    }

    update ()
    {
        this.children = this.group.getChildren();

        Phaser.Actions.IncXY(this.children, 1, 1);
        Phaser.Actions.WrapInRectangle(this.children, this.rect);
    }