2d:null 2e:["$","title",null,{"children":"SM3809_A3 | ychsu6 | Observable"}] 33:T734,md`\`\`\`javascript const ROWS = 50, COLS = 50; //400 in total const DIE = 0, LIVE = 1; let col = [0, 255]; let cellStatus = [], cellStatusNext = []; //arrays store 0 or 1 let cellArray = []; //array store let totalNeighbor = []; let w, h; function setup() { createCanvas(500, 500); background(200); w = width / COLS; h = height / ROWS; for (let i = 0; i < ROWS; i++) { for (let j = 0; j < COLS; j++) { cellStatus[i + j * ROWS] = int(random(2)); } } frameRate(10); } function draw() { background(0); for (let i = 0; i < ROWS; i++) { for (let j = 0; j < COLS; j++) { if (cellStatus[i + j * ROWS] == 1) { fill(255); rect(i * w, j * h, w, h); } } } for (let i = 0; i < ROWS; i++) { for (let j = 0; j < COLS; j++) { let neighbors = countNeighbors(i, j); if (cellStatus[i + j * ROWS] == LIVE && (neighbors > 3) || neighbors < 2) { cellStatusNext[i + j * ROWS] = DIE; } else if (cellStatus[i + j * ROWS] == DIE && neighbors == 3) { cellStatusNext[i + j * ROWS] = LIVE; } else { cellStatusNext[i + j * ROWS] = cellStatus[i + j * ROWS]; } } } cellStatus = cellStatusNext.slice(); } function countNeighbors(i, j) { let total = 0; // don't check edges to make it simpler if (i == 0 || i == ROWS - 1 || j == 0 || j == COLS - 1) { return 0; } else { // go through 8 neighbours total += cellStatus[(i - 1) + (j - 1) * ROWS]; total += cellStatus[(i - 1) + (j) * ROWS]; total += cellStatus[(i - 1) + (j + 1) * ROWS]; total += cellStatus[(i) + (j - 1) * ROWS]; total += cellStatus[(i) + (j + 1) * ROWS]; total += cellStatus[(i + 1) + (j - 1) * ROWS]; total += cellStatus[(i + 1) + (j) * ROWS]; total += cellStatus[(i + 1) + (j + 1) * ROWS]; } return total; } \`\`\``34:[{"id":"1f03e51d50804ad7cb1037abebc7bb20ace75bda13d47f34ad36a6bc1e07db73c14a40292d9d1e07f2084e1311858cbb07a9f44c70516c659121ad613779755a","href":"https://static.observableusercontent.com/files/1f03e51d50804ad7cb1037abebc7bb20ace75bda13d47f34ad36a6bc1e07db73c14a40292d9d1e07f2084e1311858cbb07a9f44c70516c659121ad613779755a","name":"sketch.jpg","type":"image/jpeg","lastModified":1612413801059.462,"size":87487}] 31:{"id":"40ceb8f64f690ec4","slug":"sm3809_a3","title":"SM3809_A3","thumbnail":"e48a97a142034de9366b034644c96c81e6220da357b670c3d8323df8268329d9","access_level":"public","create_time":"$D2021-02-02T15:12:08.149Z","update_time":"$D2021-02-04T09:03:09.645Z","view_time":null,"first_public_time":"$D2021-02-04T04:48:46.229Z","has_unpublished_edits":null,"fork":false,"stars":1,"starred":false,"owner":{"type":"team","id":"c3d91d7db2867b4d","login":"betahsu","name":"ychsu6","avatar_url":"https://avatars-next.observableusercontent.com/197b7792c36f626b9fe391a472486b8b6dc3cf3503a2bb52e365e7916c324a9e","tier":"starter_2024"},"version":47,"publish_version":47,"role":null,"authored":false,"authors":[{"type":"individual","id":"8205ffe96d046f8c","login":"betahsu","name":"ychsu6","avatar_url":"https://avatars-next.observableusercontent.com/197b7792c36f626b9fe391a472486b8b6dc3cf3503a2bb52e365e7916c324a9e","tier":null}],"members":[{"type":"individual","id":"8205ffe96d046f8c","login":"betahsu","name":"ychsu6","avatar_url":"https://avatars-next.observableusercontent.com/197b7792c36f626b9fe391a472486b8b6dc3cf3503a2bb52e365e7916c324a9e","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"title":"SM3809_A3","cells":[{"id":0,"value":"md`# SM3809_A3\n## Finding Emergence\n

\n### READ\nConway's Game of Life\n### DESCRIBE\nSketch:\n

\n\n

\nDescription:\n* If a LIVING cell has 1 or 4 and above neighbours — DIE\n* If a DEAD cell has exactly 3 neighbours — ALIVE\n* Other than the above cases — REMAIN in their state (LIVING cell has 2 or 3 neighbours remain ALIVE)\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":22,"value":"md`\n### IMITATE\n\n

\nCode:\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":37,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":34,"value":"md`\n### ACTIVATE\n\n

\n\n`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W34","stdlib":"1","titling":"auto"}} 32:"$31:body"