document.querySelector('.buy').addEventListener('click', () => {
    if (nothingness < 10) return;
    nothingness -= 10;
    cubePos.push([Math.random() * 1000 - 500, Math.random() * 1000 - 500, Math.random() * 30 - 200,
    Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1
    ])
})