From Points

class Example extends Phaser.Scene
{
    create ()
    {
        const graphics = this.add.graphics({ lineStyle: { width: 2, color: 0x0000aa }, fillStyle: { color: 0x00aa00} });

        // we can use either 2 dimensional array, or objects with x/y properties (or mix)
        const points = [
            [ 350, 250 ],
            { x: 450, y: 350 }
        ];

        let rect;

        this.input.on('pointerdown', pointer =>
        {

            points.push(pointer.position.clone());

            redraw();

        });

        redraw();

        function redraw ()
        {
            graphics.clear();

            for (let i = 0; i < points.length; i++)
            {
                const p = points[i];

                if (Array.isArray(p))
                {
                    graphics.fillCircle(p[0], p[1], 4);
                }
                else
                {
                    graphics.fillCircle(p.x, p.y, 4);
                }
            }

            rect = Phaser.Geom.Rectangle.FromPoints(points, rect);

            graphics.strokeRectShape(rect);
        }
    }
}

const config = {
    width: 800,
    height: 600,
    type: Phaser.AUTO,
    parent: 'phaser-example',
    scene: Example
};

const game = new Phaser.Game(config);
                        

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