Created
August 31, 2015 05:49
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My crappy attempt the matrix screen
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| <html> | |
| <head> | |
| <style> | |
| html, body { | |
| height: 100%; | |
| width: 100%; | |
| margin: 0; | |
| font-size: 100%; | |
| background-color: #000000; | |
| color: green; | |
| } | |
| #container { | |
| height: 100%; | |
| width: 100%; | |
| } | |
| .column { | |
| float: left; | |
| margin: 0 1px 0 1px; | |
| word-wrap: break-word; | |
| line-height: 1; | |
| width: 16px; | |
| letter-spacing: 1px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="container"> | |
| </div> | |
| <script type="text/javascript"> | |
| window.addEventListener('load', function () { | |
| function renderTemplate(template, obj) { | |
| var key; | |
| return template.replace(/\{\{.+}\}/g, function (m) { | |
| m = m.replace(/[\{|\}]/g, ''); | |
| return obj[m] || ''; | |
| }); | |
| } | |
| function rndChar() { | |
| return Math.floor(Math.random() * 16).toString(16).toUpperCase(); | |
| } | |
| var screenWidth = window.screen.availWidth; | |
| /** | |
| * Has the following properties | |
| * - dom | |
| * - computedStyles | |
| */ | |
| var container = (function () { | |
| var obj = {}; | |
| obj.dom = document.querySelector('#container'); | |
| obj.computedStyles = window.getComputedStyle(obj.dom, null); | |
| obj.fontSize = (function () { | |
| var size = obj.computedStyles.fontSize; | |
| return +size.substring(0, size.length - 2); | |
| }()); | |
| return obj; | |
| }()); | |
| var columns = {}; | |
| columns.width = container.fontSize; | |
| columns.no = Math.floor(screenWidth / (columns.width)) - 10; | |
| columns.template = '<div class="column" style="width:16px">{{text}}</div>'; | |
| columns.html = []; | |
| columns.style = { | |
| float: 'left', | |
| width: columns.width, | |
| 'text-align': 'center' | |
| }; | |
| var screenBuf = []; | |
| for (var i = 0, ii = columns.no; i < ii; i += 1) { | |
| screenBuf[i] = '0'; | |
| for (var j = 0, jj = columns.no; j < jj; j += 1) { | |
| screenBuf[i] += '0'; | |
| } | |
| } | |
| var indices = [], mid = Math.floor((0 + columns.no - 1) / 2); | |
| indices.push(mid); | |
| var i = 1, counter = mid; | |
| while (counter) { | |
| indices.push(mid - i); | |
| indices.push(mid + i); | |
| i += 1; | |
| counter -= 1; | |
| } | |
| if (!(columns.no % 2)) { | |
| indices.push(columns.no - 1); | |
| } | |
| var j; | |
| // for (i = 1; i <= columns.no; ++i) { | |
| // for (j = 0; j < i; ++j) { | |
| // screenBuf[indices[j]] = rndChar() + screenBuf[indices[j]] ; | |
| // //flush screen buffer to dom | |
| // var html; | |
| // for(i = 0; i < columns.no; ++i) { | |
| // html += renderTemplate(columns.template, {text: screenBuf[i]}); | |
| // } | |
| // columns.html.join(''); | |
| // container.dom.innerHTML = html; | |
| // } | |
| // } | |
| // intI = 1; | |
| // setInterval(function () { | |
| // intI += 1; | |
| // for (j = 0; j < intI; ++j) { | |
| // screenBuf[indices[j]] += rndChar(); | |
| // } | |
| // columns.generate(); | |
| // },200); | |
| intI = 1; | |
| setInterval(function () { | |
| if (intI < columns.no) { | |
| z = intI; | |
| } else { | |
| z = columns.no; | |
| } | |
| for (j = 0; j < z; ++j) { | |
| var tempStr = screenBuf[indices[j]]; | |
| var temparray = tempStr.split(''); | |
| temparray.unshift(rndChar()); | |
| temparray.pop(); | |
| screenBuf[indices[j]] = temparray.join(''); | |
| } | |
| //flush screen buffer to dom | |
| var html = ''; | |
| for(i = 0; i < columns.no; ++i) { | |
| html += renderTemplate(columns.template, {text: screenBuf[i]}); | |
| } | |
| // console.log(html); | |
| // console.log('---------'); | |
| container.dom.innerHTML = html; | |
| intI += 1; | |
| },1); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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