Pause and Resume All Tweens

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

    preload()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v410');
        this.load.image('bg', 'assets/ui/undersea-bg.png');
        this.load.image('up', 'assets/ui/up-bubble.png');
        this.load.image('down', 'assets/ui/down-bubble.png');
        this.load.spritesheet('fish', 'assets/sprites/fish-136x80.png', { frameWidth: 136, frameHeight: 80 });
    }

    create()
    {
        this.add.image(400, 300, 'bg');

        var image1 = this.add.image(0, 80, 'fish', 0);

        this.tweens.add({
            targets: image1,
            props: {
                x: { value: 700, duration: 4000, flipX: true },
                y: { value: 500, duration: 8000, },
            },
            ease: 'Sine.easeInOut',
            yoyo: true,
            repeat: -1
        });

        var image2 = this.add.image(400, 80, 'fish', 1);

        this.tweens.add({
            targets: image2,
            props: {
                x: { value: 500, duration: 2000, flipX: true },
                y: { value: 500, duration: 10000, },
            },
            ease: 'Sine.easeInOut',
            yoyo: true,
            repeat: -1
        });

        var image3 = this.add.image(800, 200, 'fish', 2).setFlipX(true);

        this.tweens.add({
            targets: image3,
            props: {
                x: { value: 70, flipX: true },
                y: { value: 250 },
            },
            duration: 3000,
            ease: 'Power1',
            yoyo: true,
            repeat: -1
        });

        var image4 = this.add.image(100, 550, 'fish', 2).setScale(0.75);

        this.tweens.add({
            targets: image4,
            props: {
                x: { value: 700, duration: 2000, flipX: true },
                y: { value: 50, duration: 15000, },
            },
            ease: 'Sine.easeInOut',
            yoyo: true,
            repeat: -1
        });

        //  Buttons to control the Tween timescale

        var text = this.add.text(180, 0, 'Click to Pause / Resume').setFont('32px Arial Black').setFill('#ffffff').setShadow(2, 2, "#333333", 2);

        var downButton = this.add.image(70, 530, 'down').setInteractive();
        var upButton = this.add.image(730, 530, 'up').setInteractive();

        var tweens = this.tweens;

        this.input.on('gameobjectup', function (pointer, gameobject)
        {
            if (gameobject === downButton && tweens.timeScale > 0)
            {
                tweens.pauseAll();

                text.setText('Pause All');
            }
            else if (gameobject === upButton && tweens.timeScale < 9.9)
            {
                tweens.resumeAll();

                text.setText('Resume All');
            }

        });
    }
}

const config = {
    scale: { mode: Phaser.Scale.FIT },
    type: Phaser.AUTO,
    width: 800,
    height: 600,
    backgroundColor: '#2d2d2d',
    parent: 'game-container',
    scene: Example
};

const game = new Phaser.Game(config);