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            class Example extends Phaser.Scene { preload () { this.load.setBaseURL('https://cdn.phaserfiles.com/v385'); this.load.setPath('assets/tests/piano'); this.load.atlas('piano', 'piano.png', 'piano.json'); this.load.audio('C3', 'C3.mp3'); this.load.audio('Db3', 'Db3.mp3'); this.load.audio('D3', 'D3.mp3'); this.load.audio('Eb3', 'Eb3.mp3'); this.load.audio('E3', 'E3.mp3'); this.load.audio('F3', 'F3.mp3'); this.load.audio('Gb3', 'Gb3.mp3'); this.load.audio('G3', 'G3.mp3'); this.load.audio('Ab3', 'Ab3.mp3'); this.load.audio('A3', 'A3.mp3'); this.load.audio('Bb3', 'Bb3.mp3'); this.load.audio('B3', 'B3.mp3'); } create () { if (this.sound.locked) { const text = this.add.text(10, 10, 'Tap to unlock audio', { font: '16px Courier', fill: '#00ff00' }); this.sound.once('unlocked', function () { text.destroy(); this.createPiano(); }, this); } else { this.createPiano(); } } createPiano () { this.input.addPointer(9); const x = 100; const y = 0; this.add.image(x, y, 'piano', 'panel').setOrigin(0); const keys = [ [ 'key1', 'C3' ], [ 'key2', 'Db3' ], [ 'key3', 'D3' ], [ 'key4', 'Eb3' ], [ 'key5', 'E3' ], [ 'key6', 'F3' ], [ 'key7', 'Gb3' ], [ 'key8', 'G3' ], [ 'key9', 'Ab3' ], [ 'key10', 'A3' ], [ 'key11', 'Bb3' ], [ 'key12', 'B3' ] ]; const black = [ 'key2', 'key4', 'key7', 'key9', 'key11' ]; for (let i = 0; i < keys.length; i++) { const key = keys[i][0]; const note = keys[i][1]; const singleKey = this.add.image(x, y, 'piano', key); singleKey.setName(note); singleKey.setOrigin(0); if (black.indexOf(key) !== -1) { singleKey.setDepth(1); } const frame = singleKey.frame; const hitArea = new Phaser.Geom.Rectangle(frame.x, frame.y, frame.width, frame.height); singleKey.setInteractive(hitArea, Phaser.Geom.Rectangle.Contains); const sound = this.sound.add(note); singleKey.on('pointerdown', (sound => { sound.play(); }).bind(this, sound)); singleKey.on('pointerover', ((sound, pointer) => { if (pointer.isDown) { sound.play(); } }).bind(this, sound)); } } } const config = { type: Phaser.AUTO, parent: 'phaser-example', width: 800, height: 600, backgroundColor: '#2d2d2d', scene: Example }; const game = new Phaser.Game(config);
class Example extends Phaser.Scene
{
    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v385');
        this.load.setPath('assets/tests/piano');
        this.load.atlas('piano', 'piano.png', 'piano.json');
        this.load.audio('C3', 'C3.mp3');
        this.load.audio('Db3', 'Db3.mp3');
        this.load.audio('D3', 'D3.mp3');
        this.load.audio('Eb3', 'Eb3.mp3');
        this.load.audio('E3', 'E3.mp3');
        this.load.audio('F3', 'F3.mp3');
        this.load.audio('Gb3', 'Gb3.mp3');
        this.load.audio('G3', 'G3.mp3');
        this.load.audio('Ab3', 'Ab3.mp3');
        this.load.audio('A3', 'A3.mp3');
        this.load.audio('Bb3', 'Bb3.mp3');
        this.load.audio('B3', 'B3.mp3');
    }
    create ()
    {
        if (this.sound.locked)
        {
            const text = this.add.text(10, 10, 'Tap to unlock audio', { font: '16px Courier', fill: '#00ff00' });
            this.sound.once('unlocked', function ()
            {
                text.destroy();
                this.createPiano();
            }, this);
        }
        else
        {
            this.createPiano();
        }
    }
    createPiano ()
    {
        this.input.addPointer(9);
        const x = 100;
        const y = 0;
        this.add.image(x, y, 'piano', 'panel').setOrigin(0);
        const keys = [
            [ 'key1', 'C3' ],
            [ 'key2', 'Db3' ],
            [ 'key3', 'D3' ],
            [ 'key4', 'Eb3' ],
            [ 'key5', 'E3' ],
            [ 'key6', 'F3' ],
            [ 'key7', 'Gb3' ],
            [ 'key8', 'G3' ],
            [ 'key9', 'Ab3' ],
            [ 'key10', 'A3' ],
            [ 'key11', 'Bb3' ],
            [ 'key12', 'B3' ]
        ];
        const black = [ 'key2', 'key4', 'key7', 'key9', 'key11' ];
        for (let i = 0; i < keys.length; i++)
        {
            const key = keys[i][0];
            const note = keys[i][1];
            const singleKey = this.add.image(x, y, 'piano', key);
            singleKey.setName(note);
            singleKey.setOrigin(0);
            if (black.indexOf(key) !== -1)
            {
                singleKey.setDepth(1);
            }
            const frame = singleKey.frame;
            const hitArea = new Phaser.Geom.Rectangle(frame.x, frame.y, frame.width, frame.height);
            singleKey.setInteractive(hitArea, Phaser.Geom.Rectangle.Contains);
            const sound = this.sound.add(note);
            singleKey.on('pointerdown', (sound =>
            {
                sound.play();
            }).bind(this, sound));
            singleKey.on('pointerover', ((sound, pointer) =>
            {
                if (pointer.isDown)
                {
                    sound.play();
                }
            }).bind(this, sound));
        }
    }
}
const config = {
    type: Phaser.AUTO,
    parent: 'phaser-example',
    width: 800,
    height: 600,
    backgroundColor: '#2d2d2d',
    scene: Example
};
const game = new Phaser.Game(config);