Multi-Touch Input with Multiple Pointers

class Example extends Phaser.Scene
{
    text;
    graphics;

    create ()
    {
        this.graphics = this.add.graphics();

        //  We need 3 extra pointers, as we only get 1 by default
        this.input.addPointer(3);

        this.text = this.add.text(10, 10, 'Use up to 4 fingers at once', { font: '16px Courier', fill: '#00ff00' });
    }

    update ()
    {
        if (this.input.pointer1.isDown || this.input.pointer2.isDown || this.input.pointer3.isDown || this.input.pointer4.isDown)
        {
            this.graphics.clear();
        }

        this.text.setText([
            `pointer1.isDown: ${this.input.pointer1.isDown}`,
            `pointer2.isDown: ${this.input.pointer2.isDown}`,
            `pointer3.isDown: ${this.input.pointer3.isDown}`,
            `pointer4.isDown: ${this.input.pointer4.isDown}`
        ]);

        this.graphics.fillStyle(0xff0000, 1);
        this.graphics.fillRect(this.input.pointer1.x, this.input.pointer1.y, 64, 64);

        this.graphics.fillStyle(0x00ff00, 1);
        this.graphics.fillRect(this.input.pointer2.x, this.input.pointer2.y, 64, 64);

        this.graphics.fillStyle(0x0000ff, 1);
        this.graphics.fillRect(this.input.pointer3.x, this.input.pointer3.y, 64, 64);

        this.graphics.fillStyle(0xff00ff, 1);
        this.graphics.fillRect(this.input.pointer4.x, this.input.pointer4.y, 64, 64);
    }
}

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

const game = new Phaser.Game(config);