Pixel Perfect Alpha Input

class Example extends Phaser.Scene
{
    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v410');
        this.load.image('hello', 'assets/sprites/hello.png');
    }

    create ()
    {
        const sprite = this.add.sprite(400, 300, 'hello').setInteractive({ pixelPerfect: true });

        sprite.on('pointerover', function ()
        {

            this.setTint(0xff0000);

        });

        sprite.on('pointerout', function ()
        {

            this.setTint();

        });
    }
}

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

const game = new Phaser.Game(config);