Repeat Timeline

class Example extends Phaser.Scene
{
    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v385');
        this.load.atlas('timeline', 'assets/atlas/timeline.png', 'assets/atlas/timeline.json');
        this.load.image('bg', 'assets/skies/spookysky.jpg');
        this.load.atlas('flares', 'assets/particles/flares.png', 'assets/particles/flares.json');
    }

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

        const crystalball = this.add.sprite(400, 800, 'timeline', 'crystalball');

        const glowFX = crystalball.preFX.addGlow();

        const emitter = this.add.particles(400, 300, 'flares', {
            frame: 'white',
            blendMode: 'ADD',
            lifespan: 1200,
            gravityX: 100,
            gravityY: -100,
            scale: { start: 0.3, end: 0 },
            emitting: false
        });

        emitter.addEmitZone({ source: new Phaser.Geom.Circle(0, -20, 90) });

        const timeline = this.add.timeline([
            {
                at: 0,
                run: () => {
                    glowFX.setActive(false);
                    glowFX.outerStrength = 0;
                    glowFX.innerStrength = 0;
                },
                tween: {
                    targets: crystalball,
                    y: 300,
                    ease: 'sine.in',
                    duration: 750
                }
            },
            {
                at: 1000,
                loop: () => {
                    emitter.gravityX *= -1;
                },
                run: () => {
                    glowFX.setActive(true);
                    emitter.start();
                },
                tween: {
                    targets: glowFX,
                    outerStrength: 16,
                    innerStrength: 8,
                    ease: 'sine.in',
                    yoyo: true,
                    duration: 500,
                    repeat: 3
                }
            },
            {
                at: 4000,
                run: () => {
                    emitter.stop();
                },
                tween: {
                    targets: crystalball,
                    y: 800,
                    ease: 'sine.in',
                    duration: 500
                }
            },
            {
                at: 5000,
                stop: true
            }
        ]);

        // The `repeat` method accepts a positive value or undefined, true and a negative number values to go on indefinitely.
        timeline.repeat().play();

        // This is the same as setting the amount of times it should loop to 0.
        // timeline.repeat(false);
    }
}

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

const game = new Phaser.Game(config);
                        

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