Audio Marker Pause and Resume

class Example extends Phaser.Scene
{
    pauseResumeButtonText;
    pauseResumeButton;
    fx;

    markers = [
        { name: 'charm', start: 0, duration: 2.7, config: {} },
        { name: 'curse', start: 4, duration: 2.9, config: {} },
        { name: 'fireball', start: 8, duration: 5.2, config: {} },
        { name: 'spell', start: 14, duration: 4.7, config: {} },
        { name: 'soundscape', start: 20, duration: 18.8, config: {} }
    ];

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v410');
        this.load.image('bg', 'assets/pics/cougar-dragonsun.png');

        this.load.spritesheet('button', 'assets/ui/flixel-button.png', { frameWidth: 80, frameHeight: 20 });

        this.load.bitmapFont('nokia', 'assets/fonts/bitmap/nokia16black.png', 'assets/fonts/bitmap/nokia16black.xml');

        this.load.audio('sfx', [
            'assets/audio/SoundEffects/magical_horror_audiosprite.ogg',
            'assets/audio/SoundEffects/magical_horror_audiosprite.mp3'
        ]);
    }

    create ()
    {
        const bg = this.add.image(400, 300, 'bg');
        bg.setScale(800 / bg.width, 600 / bg.height);

        this.fx = this.sound.add('sfx');

        for (let i = 0; i < this.markers.length; i++)
        {
            const marker = this.markers[i];

            this.fx.addMarker(marker);

            this.makeButton.call(this, marker.name, 680, 115 + i * 40);
        }

        this.makePauseResumeButton.call(this);


        this.input.on('gameobjectover', (pointer, button) =>
        {
            this.setButtonFrame(button, 0);
        });
        this.input.on('gameobjectout', (pointer, button) =>
        {
            this.setButtonFrame(button, 1);
        });
        this.input.on('gameobjectdown', (pointer, button) =>
        {
            if (button.name === 'pause')
            {
                if (this.fx.isPaused)
                {
                    this.fx.resume();
                }
                else if (this.fx.isPlaying)
                {
                    this.fx.pause();
                }
                else
                {
                    this.setButtonFrame(button, 0);
                    return;
                }

                this.setButtonFrame(button, 2);
            }
            else
            {
                this.fx.play(button.name);
                this.setButtonFrame(button, 2);
            }
        });
        this.input.on('gameobjectup', (pointer, button) =>
        {
            this.setButtonFrame(button, 0);
        });
    }

    updatePauseResumeButton ()
    {
        if (this.fx.isPaused)
        {
            this.pauseResumeButtonText.text = 'resume';
        }
        else if (this.fx.isPlaying)
        {
            this.pauseResumeButtonText.text = 'pause';
        }
        else
        {
            this.pauseResumeButtonText.text = 'stopped';
        }

        this.pauseResumeButtonText.x = 640 + (this.pauseResumeButton.width - this.pauseResumeButtonText.width) / 2;
    }

    makeButton (name, x, y)
    {
        const button = this.add.image(x, y, 'button', 0).setInteractive();
        button.name = name;
        button.setScale(2, 1.5);

        const text = this.add.bitmapText(x - 40, y - 8, 'nokia', name, 16);
        text.x += (button.width - text.width) / 2;
    }

    makePauseResumeButton ()
    {
        this.pauseResumeButton = this.add.image(680, 395, 'button', 1).setInteractive();
        this.pauseResumeButton.name = 'pause';
        this.pauseResumeButton.setScale(2, 1.5);

        this.pauseResumeButtonText = this.add.bitmapText(640, 387, 'nokia', '', 16);
    }

    setButtonFrame (button, frame)
    {
        button.frame = button.scene.textures.getFrame('button', frame);
    }
}

/**
 * @author    Pavle Goloskokovic <[email protected]> (http://prunegames.com)
 */

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

const game = new Phaser.Game(config);