Function refreshGameLayer

static/index.js:299–335

(box, loop, offset)

        _clearttClsReg = / t{1,2}\d+| bad/;

    function refreshGameLayer(box, loop, offset) {
        let i = Math.floor(Math.random() * 1000) % 4 + (loop ? 0 : 4);
        for (let j = 0; j < box.children.length; j++) {
            let r = box.children[j], rstyle = r.style;
            rstyle.left = (j % 4) * blockSize + 'px';
            rstyle.bottom = Math.floor(j / 4) * blockSize + 'px';
            rstyle.width = blockSize + 'px';
            rstyle.height = blockSize + 'px';
            r.className = r.className.replace(_clearttClsReg, '');
            if (i === j) {
                _gameBBList.push({
                    cell: i % 4,
                    id: r.id
                });
                r.className += ' t' + (Math.floor(Math.random() * 1000) % 5 + 1);
                r.notEmpty = true;
                i = (Math.floor(j / 4) + 1) * 4 + Math.floor(Math.random() * 1000) % 4;
            } else {
                r.notEmpty = false;
            }
        }
        if (loop) {
            box.style.webkitTransitionDuration = '0ms';
            box.style.display = 'none';
            box.y = -blockSize * (Math.floor(box.children.length / 4) + (offset || 0)) * loop;
            setTimeout(function () {
                box.style[transform] = 'translate3D(0,' + box.y + 'px,0)';
                setTimeout(function () {
                    box.style.display = 'block';
                }, 100);
            }, 200);
        } else {
            box.y = 0;
            box.style[transform] = 'translate3D(0,' + box.y + 'px,0)';
        }
        box.style[transitionDuration] = '150ms';
    }

    function gameLayerMoveNextRow() {
        for (let i = 0; i < GameLayer.length; i++) {