Spotlight

class Example extends Phaser.Scene
{
    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v410');
        this.load.image('robot', [ 'assets/pics/equality-by-ragnarok.png', 'assets/normal-maps/equality-by-ragnarok_n.png' ]);
        this.load.image('atari', 'assets/sprites/atari400.png');
    }

    create ()
    {
        //  Enable lights and set a dark ambient color
        this.lights.enable().setAmbientColor(0x333333);

        //  Add an image and set it to use Lights2D
        const robot = this.add.image(-100, 0, 'robot').setOrigin(0).setScale(0.7);

        robot.setLighting(true);

        //  Our spotlight. 100px radius and white in color.
        const light = this.lights.addLight(180, 80, 200).setColor(0xffffff).setIntensity(2);

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

            light.x = pointer.x;
            light.y = pointer.y;

        });
    }
}

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

const game = new Phaser.Game(config);