Created
April 3, 2022 11:31
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game of life
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Title</title> | |
| <style type="text/css"> | |
| row { | |
| display: block; | |
| height: 5px; | |
| } | |
| cell { | |
| width: 5px; | |
| height: 5px; | |
| display: inline-block; | |
| background-color: whitesmoke; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="field"></div> | |
| <style id="paint"></style> | |
| <script type="application/javascript"> | |
| const W = 250; | |
| const H = 150; | |
| const X = 2000; | |
| const T = 200; | |
| let field = document.getElementById("field") | |
| let style = document.getElementById("paint") | |
| let IDS = ""; | |
| let zeroes = function () { | |
| const ZEROES = []; | |
| for (let h=0; h<H; h++) { | |
| ZEROES[h] = []; | |
| for (let w=0; w<W; w++) { | |
| ZEROES[h][w] = 0; | |
| } | |
| } | |
| return ZEROES; | |
| } | |
| let id = function (h, w) { return "id" + h + "-" + w; } | |
| let paint = function () { | |
| style.innerText = "foo" + IDS + " {background-color: darkgray}"; | |
| IDS = ""; | |
| } | |
| for (let h=0; h<H; h++) { | |
| let row = document.createElement("row"); | |
| field.appendChild(row); | |
| for (let w=0; w<W; w++) { | |
| let cell = document.createElement("cell"); | |
| cell.setAttribute("id", id(h, w)); | |
| row.appendChild(cell); | |
| } | |
| } | |
| let next = function (NOW, NEXT, h, w) { | |
| // const _h = (H + h - 1) % H | |
| // const h_ = ( h + 1) % H | |
| // const _w = (W + w - 1) % W | |
| // const w_ = ( w + 1) % W | |
| const _h = (h - 1) | |
| const h_ = (h + 1) | |
| const _w = (w - 1) | |
| const w_ = (w + 1) | |
| const sum = NOW[_h][_w] + | |
| NOW[_h][w] + | |
| NOW[_h][w_] + | |
| NOW[h] [_w] + | |
| NOW[h] [w_] + | |
| NOW[h_][_w] + | |
| NOW[h_][w] + | |
| NOW[h_][w_]; | |
| if (NOW[h][w]) { | |
| if (sum === 2 || sum === 3) { | |
| IDS = IDS + ",#" + id(h,w); | |
| NEXT[h][w] = 1; | |
| } else { | |
| NEXT[h][w] = 0; | |
| } | |
| } else { | |
| if (sum === 3) { | |
| IDS = IDS + ",#" + id(h,w); | |
| NEXT[h][w] = 1; | |
| } else { | |
| NEXT[h][w] = 0; | |
| } | |
| } | |
| } | |
| const NOW = zeroes(); | |
| for (let x=0;x<X;x++) { | |
| let h = Math.floor(Math.random() * H); | |
| let w = Math.floor(Math.random() * W); | |
| IDS = IDS + ",#" + id(h,w); | |
| NOW[h][w] = 1; | |
| } | |
| let step = function (NOW) { | |
| const NEXT = zeroes(); | |
| paint() | |
| for (let h=1; h<H-1; h++) { | |
| for (let w=1; w<W-1; w++) { | |
| next(NOW, NEXT, h, w); | |
| } | |
| } | |
| setTimeout(function (){step(NEXT)}, T); | |
| } | |
| step(NOW); | |
| </script> | |
| </body> | |
| </html> |
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