Ellipse Contains Point

class Example extends Phaser.Scene
{
    create ()
    {
        const graphics = this.add.graphics({ lineStyle: { width: 2, color: 0x00aaaa } });

        const ellipse = new Phaser.Geom.Ellipse(400, 300, 400, 250);

        graphics.strokeEllipseShape(ellipse);

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

            graphics.clear();

            if (ellipse.contains(pointer.x, pointer.y))
            {
                graphics.lineStyle(2, 0xaa0000);
            }
            else
            {
                graphics.lineStyle(2, 0x00aaaa);
            }

            graphics.strokeEllipseShape(ellipse);

        });
    }
}

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

const game = new Phaser.Game(config);