function isInBox(pos, box) {
    return (
        (pos.x > box.x && pos.x < box.x + box.width) &&
        (pos.y > box.y && pos.y < box.y + box.height));
}

function position(event) {
    return {
        x: event.clientX,
        y: event.clientY,
    };
}

function enlargeBox(box) {
    return {
        x: box.x - box.width * 0.1,
        y: box.y - box.height * 0.1,
        width: box.width * 1.2,
        height: box.height * 1.4,
    }
}

function heightToScore(height) {
    return Math.floor(100 * height);
}