2d:null 2e:["$","title",null,{"children":"Game of Life | Óscar Gómez Alcañiz | Observable"}] 33:T71a,class GameOfLife { constructor(cells){ // Clone the cells this.cells = cells.concat([]).map(row => row.concat([])); this.newCells = []; for (let y = 0; y < this.cells.length; y++) { this.newCells[y] = []; for (let x = 0; x < this.cells[y].length; x++) { this.newCells[y][x] = this.cells[y][x]; } } this.WIDTH = this.cells[0].length; this.HEIGHT = this.cells.length; this.gen = 1; } next() { this.gen++; for (let y = 0; y < this.cells.length; y++) { for (let x = 0; x < this.cells[y].length; x++) { let numNeighbors = this._checkNeighbors(x, y); if (this._isAlive(x, y)) { switch (numNeighbors) { case 3: case 2: this.on(x, y); break; default: this.off(x, y); } } else { switch (numNeighbors) { case 3: this.on(x, y); break; default: this.off(x, y); } } } } let aux = this.cells; this.cells = this.newCells; this.newCells = aux; } on(x, y) { this._set(x, y, 1); } off(x, y) { this._set(x, y, 0); } toggle(x, y) { this._set(x, y, 1 - this._check(x, y)); } _isAlive(x, y) { return this._check(x, y) > 0; } _isDead(x, y) { return this._check(x, y) === 0; } _check(x, y) { return this.cells[y][x]; } _set(x, y, v) { this.newCells[y][x] = v; } _checkNeighbors(x, y) { let count = 0; for (let j = y - 1; j <= y + 1; j++) { for (let i = x - 1; i <= x + 1; i++) { if (i === x && j === y) continue; count += this._check((this.WIDTH + i) % this.WIDTH, (this.HEIGHT + j) % this.HEIGHT); } } return count; } }34:[] 31:{"id":"23a518c1b0632f31","slug":"game-of-life","title":"Game of Life","thumbnail":"4c6cbfdcfc824a3dc799a0a0a9cfb44648d08b0ceafff569d1d6fe68257f71a8","access_level":"public","create_time":"$D2018-04-09T18:07:18.186Z","update_time":"$D2018-12-17T21:59:22.999Z","view_time":null,"first_public_time":"$D2018-12-17T21:56:08.389Z","fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"262bdb9641410f74","login":"oscardr","name":"Óscar Gómez Alcañiz","avatar_url":"https://avatars-next.observableusercontent.com/507dd8479ead7722ebb573ca30b2f494cc44cdabe2e8fb6bd02dd4e35cb345ec","tier":"starter_2024"},"version":236,"publish_version":236,"role":null,"authored":false,"authors":[{"type":"individual","id":"918bb17536ecf71e","login":"oscardr","name":"Óscar Gómez Alcañiz","avatar_url":"https://avatars-next.observableusercontent.com/507dd8479ead7722ebb573ca30b2f494cc44cdabe2e8fb6bd02dd4e35cb345ec","tier":null}],"members":[{"type":"individual","id":"918bb17536ecf71e","login":"oscardr","name":"Óscar Gómez Alcañiz","avatar_url":"https://avatars-next.observableusercontent.com/507dd8479ead7722ebb573ca30b2f494cc44cdabe2e8fb6bd02dd4e35cb345ec","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":2,"collection":null,"type":"notebook","body":{"title":"Game of Life","cells":[{"id":0,"value":"md`# Game of Life`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":121,"value":"fps = 6","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":85,"value":"grid = {\n while(true){\n const grid = DOM.element('div');\n draw(grid, gol.cells);\n gol.next();\n yield grid;\n await Promises.delay(1000 / fps);\n }\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":176,"value":"viewof button = {\n const form = html`