Yoyo

var config = {
    type: Phaser.AUTO,
    parent: 'phaser-example',
    pixelArt: true,
    width: 800,
    height: 600,
    scene: {
        preload: preload,
        create: create
    }
};

var game = new Phaser.Game(config);

function preload ()
{
    this.load.atlas('ryu', 'assets/animations/sf2ryu.png', 'assets/animations/sf2ryu.json');
    this.load.image('sea', 'assets/skies/sf2boat.png');
    this.load.image('ground', 'assets/skies/sf2floor.png');
}

function create ()
{
    this.add.image(100, 130, 'sea').setScale(3);
    this.add.image(400, 500, 'ground').setScale(3);

    var info = [ 'Click to toggle Animation.yoyo', 'yoyo: true' ];
    var text = this.add.text(400, 32, info, { color: '#113355', align: 'center' }).setOrigin(0.5, 0);

    this.anims.create({
        key: 'hadoken',
        frames: this.anims.generateFrameNames('ryu', { prefix: 'frame_', end: 15, zeroPad: 2 }),
        yoyo: true,
        repeat: -1
    });

    var ryu = this.add.sprite(400, 350).play('hadoken').setScale(3);

    this.input.on('pointerup', function () {

        //  Toggle 'yoyo' at runtime
        ryu.anims.yoyo = !ryu.anims.yoyo;

        info[1] = 'yoyo: ' + ryu.anims.yoyo;

        text.setText(info);

    });
}
                        

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