Animación de Phaser de la secuencia PNG

 preload ()
    {
        this.load.path = 'assets/animations/';

        this.load.image('cat1', 'cat1.png');
        this.load.image('cat2', 'cat2.png');
        this.load.image('cat3', 'cat3.png');
        this.load.image('cat4', 'cat4.png');
    }

    create ()
    {
        this.anims.create({
            key: 'snooze',
            frames: [
                { key: 'cat1' },
                { key: 'cat2' },
                { key: 'cat3' },
                { key: 'cat4', duration: 50 }
            ],
            frameRate: 8,
            repeat: -1
        });

        this.add.sprite(400, 300, 'cat1')
            .play('snooze');
    }
Himanshu Jangid