CODE EXAMPLE FOR JAVASCRIPT

phaser random rectangle

 preload ()
    {
        this.load.image('orb', 'assets/sprites/orb-blue.png');
    }

    create ()
    {
        //  Create 300 sprites (they all start life at 0x0)
        const group = this.add.group({ key: 'orb', frameQuantity: 300 });

        const rect = new Phaser.Geom.Rectangle(300, 300, 300, 100);

        //  Randomly position the sprites within the rectangle
        Phaser.Actions.RandomRectangle(group.getChildren(), rect);
    }