ent.querySelector('#movementY_sum-log'),
            screenX_init_log = document.querySelector('#screenX_init-log'),
            screenY_init_log = document.querySelector('#screenY_init-log'),
            screenX_last_log = document.querySelector('#screenX_last-log'),
            screenY_last_log = document.querySelector('#screenY_last-log');
            screenX_delta_log = document.querySelector('#screenX_delta-log'),
            screenY_delta_log = document.querySelector('#screenY_delta-log');

        va