Laser cursor

Code

var path = new Path({
    segments: [
        [20, 20],
        [80, 80],
        [140, 20]
    ],
    strokeColor: 'red',
    strokeWidth: 20,
    strokeCap: 'round',
    selected: false,
    position: view.center,
});

function onMouseMove(event) {
    path.add(event.point - event.delta / 2);
    path.smooth(5);
    path.segments[0].remove();
    if (path.contains(event.point)) {
        isFoundObject = true;
    } else {
        isFoundObject = false;
    }
}

function onFrame(event) {
    path.strokeWidth = (24 + Math.cos((event.count * 20) *
        (Math.PI / 180)));
    path.opacity = 0.9 + event.count % 5;
}