|
| 1 | +"use strict"; |
| 2 | + |
| 3 | +let generationFigure = 0; |
| 4 | +let isDragging = false; |
| 5 | +let dragColor = 0; // ドラッグ中に設定する色 |
| 6 | +let isPlacingTemplate = false; |
| 7 | +let patternShape = []; |
| 8 | +let patternHeight = 0; |
| 9 | +let patternWidth = 0; |
| 10 | +let previewCells = []; |
| 11 | +let isColorful = true; |
| 12 | + |
| 13 | +//盤面の大きさ |
| 14 | +const boardSize = 20; |
| 15 | +const cellSize = 450 / boardSize; |
| 16 | + |
| 17 | +//セルの誕生/生存条件 |
| 18 | +const birthCounts = [3]; |
| 19 | +const survivalCounts = [2, 3]; |
| 20 | + |
| 21 | +// 色の定数定義 |
| 22 | +const WHITE = 0xffffff; // 死んだセル(白) |
| 23 | +const BLACK = 0x000000; // 生きたセル(黒) |
| 24 | +let currentSelectedColor = BLACK; // 描かれるセルの色 |
| 25 | + |
| 26 | +// around: 周囲の生きたセル数 self: 自身が生きているかどうか |
| 27 | +function isNextAlive(around, self) { |
| 28 | + // 自身が死んでいる & 周囲が birthCounts で誕生 |
| 29 | + if (!isAlive(self) && birthCounts.includes(around)) { |
| 30 | + return true; |
| 31 | + } |
| 32 | + // 自身が生きている & 周囲が survivalCounts で生存 |
| 33 | + if (isAlive(self) && survivalCounts.includes(around)) { |
| 34 | + return true; |
| 35 | + } |
| 36 | + return false; |
| 37 | +} |
| 38 | + |
| 39 | +function isAlive(self) { |
| 40 | + return self !== WHITE ? true : false; |
| 41 | +} |
| 42 | + |
| 43 | +// cellの状態に応じた色を返す関数 |
| 44 | +function getStyle(cell) { |
| 45 | + if (cell === WHITE) return "white"; |
| 46 | + // 16進数を#付きの色文字列に変換 |
| 47 | + return "#" + cell.toString(16).padStart(6, "0"); |
| 48 | +} |
| 49 | + |
| 50 | +// 誕生時の色を計算 |
| 51 | +function getBirthColor(aroundCells) { |
| 52 | + const aliveCells = aroundCells.filter((cell) => isAlive(cell)); |
| 53 | + |
| 54 | + let totalR = 0; |
| 55 | + let totalG = 0; |
| 56 | + let totalB = 0; |
| 57 | + |
| 58 | + for (const cell of aliveCells) { |
| 59 | + totalR += (cell >> 16) & 0xff; |
| 60 | + totalG += (cell >> 8) & 0xff; |
| 61 | + totalB += cell & 0xff; |
| 62 | + } |
| 63 | + |
| 64 | + const avgR = Math.round(totalR / aliveCells.length); |
| 65 | + const avgG = Math.round(totalG / aliveCells.length); |
| 66 | + const avgB = Math.round(totalB / aliveCells.length); |
| 67 | + |
| 68 | + return (avgR << 16) | (avgG << 8) | avgB; |
| 69 | +} |
| 70 | + |
| 71 | +//Boardの初期化 |
| 72 | +let board = Array.from({ length: boardSize }, () => Array.from({ length: boardSize }, () => WHITE)); |
| 73 | +const table = document.getElementById("game-board"); |
| 74 | + |
| 75 | +//盤面をBoardに従って変更する関数達(Boardを変更したら実行する) |
| 76 | +function renderBoard() { |
| 77 | + // bodyを中央配置に設定 |
| 78 | + document.body.style.display = "flex"; |
| 79 | + document.body.style.justifyContent = "center"; |
| 80 | + document.body.style.alignItems = "center"; |
| 81 | + document.body.style.minHeight = "100vh"; |
| 82 | + document.body.style.margin = "0"; |
| 83 | + document.body.style.padding = "0"; |
| 84 | + |
| 85 | + // 初回の盤面生成 |
| 86 | + table.innerHTML = ""; |
| 87 | + for (let i = 0; i < boardSize; i++) { |
| 88 | + const tr = document.createElement("tr"); |
| 89 | + tr.style.padding = "0"; |
| 90 | + for (let j = 0; j < boardSize; j++) { |
| 91 | + const td = document.createElement("td"); |
| 92 | + td.style.padding = "0"; |
| 93 | + const button = document.createElement("button"); |
| 94 | + button.style.backgroundColor = getStyle(board[i][j]); //Boardの対応する値によって色を変更 |
| 95 | + // ボードが大きいときは border をつけない |
| 96 | + if (boardSize >= 50) { |
| 97 | + button.style.border = "none"; |
| 98 | + table.style.border = "1px solid black"; |
| 99 | + } else { |
| 100 | + button.style.border = "0.5px solid black"; |
| 101 | + } |
| 102 | + button.style.width = `${cellSize}px`; |
| 103 | + button.style.height = `${cellSize}px`; |
| 104 | + button.style.padding = "0"; |
| 105 | + button.style.display = "block"; |
| 106 | + button.onclick = () => { |
| 107 | + if (isPlacingTemplate) { |
| 108 | + clearPreview(); |
| 109 | + isPlacingTemplate = false; |
| 110 | + if (i + patternHeight < boardSize + 1 && j + patternWidth < boardSize + 1) { |
| 111 | + for (let r = 0; r < patternHeight; r++) { |
| 112 | + for (let c = 0; c < patternWidth; c++) { |
| 113 | + const boardRow = i + r; |
| 114 | + const boardCol = j + c; |
| 115 | + board[boardRow][boardCol] = patternShape[r][c] ? currentSelectedColor : WHITE; |
| 116 | + } |
| 117 | + } |
| 118 | + rerender(); |
| 119 | + } else { |
| 120 | + window.parent.postMessage( |
| 121 | + { |
| 122 | + type: "Size shortage", |
| 123 | + data: {}, |
| 124 | + }, |
| 125 | + "*", |
| 126 | + ); |
| 127 | + } |
| 128 | + } |
| 129 | + }; |
| 130 | + button.onmousedown = (e) => { |
| 131 | + e.preventDefault(); |
| 132 | + if (!isPlacingTemplate) { |
| 133 | + isDragging = true; |
| 134 | + board[i][j] = board[i][j] === WHITE ? currentSelectedColor : WHITE; |
| 135 | + dragColor = board[i][j]; |
| 136 | + button.style.backgroundColor = getStyle(board[i][j]); |
| 137 | + } |
| 138 | + }; |
| 139 | + button.onmouseenter = () => { |
| 140 | + if (isDragging && board[i][j] !== dragColor && !isPlacingTemplate) { |
| 141 | + board[i][j] = dragColor; |
| 142 | + button.style.backgroundColor = getStyle(board[i][j]); |
| 143 | + } |
| 144 | + if (isPlacingTemplate) { |
| 145 | + drawPreview(i, j); |
| 146 | + } |
| 147 | + }; |
| 148 | + td.appendChild(button); |
| 149 | + tr.appendChild(td); |
| 150 | + } |
| 151 | + table.appendChild(tr); |
| 152 | + } |
| 153 | +} |
| 154 | + |
| 155 | +table.onmouseleave = () => { |
| 156 | + if (isPlacingTemplate) { |
| 157 | + clearPreview(); |
| 158 | + } |
| 159 | +}; |
| 160 | + |
| 161 | +function drawPreview(row, col) { |
| 162 | + clearPreview(); |
| 163 | + for (let r = 0; r < patternHeight; r++) { |
| 164 | + for (let c = 0; c < patternWidth; c++) { |
| 165 | + if (patternShape[r][c] === 1) { |
| 166 | + const boardRow = row + r; |
| 167 | + const boardCol = col + c; |
| 168 | + if (boardRow < boardSize && boardCol < boardSize) { |
| 169 | + const cell = table.rows[boardRow].cells[boardCol].firstChild; |
| 170 | + cell.style.backgroundColor = "gray"; |
| 171 | + previewCells.push({ row: boardRow, col: boardCol }); |
| 172 | + } |
| 173 | + } |
| 174 | + } |
| 175 | + } |
| 176 | +} |
| 177 | + |
| 178 | +function clearPreview() { |
| 179 | + previewCells.forEach((cellPos) => { |
| 180 | + const cell = table.rows[cellPos.row].cells[cellPos.col].firstChild; |
| 181 | + cell.style.backgroundColor = getStyle(board[cellPos.row][cellPos.col]); |
| 182 | + }); |
| 183 | + previewCells = []; |
| 184 | +} |
| 185 | + |
| 186 | +function rerender() { |
| 187 | + // 2回目以降の盤面生成 |
| 188 | + for (let i = 0; i < boardSize; i++) { |
| 189 | + for (let j = 0; j < boardSize; j++) { |
| 190 | + const button = table.children[i].children[j].children[0]; |
| 191 | + |
| 192 | + // 色の更新 |
| 193 | + const currentCellColor = button.style.backgroundColor; |
| 194 | + const expectedCellColor = getStyle(board[i][j]); |
| 195 | + if (currentCellColor !== expectedCellColor) { |
| 196 | + button.style.backgroundColor = expectedCellColor; |
| 197 | + } |
| 198 | + } |
| 199 | + } |
| 200 | +} |
| 201 | + |
| 202 | +document.addEventListener("mouseup", () => { |
| 203 | + isDragging = false; |
| 204 | +}); |
| 205 | + |
| 206 | +renderBoard(); |
| 207 | + |
| 208 | +function generationChange(num) { |
| 209 | + //現在の世代を表すgenerationFigureを変更し、文章も変更 |
| 210 | + generationFigure = num; |
| 211 | + window.parent.postMessage( |
| 212 | + { |
| 213 | + type: "generation_change", |
| 214 | + data: generationFigure, |
| 215 | + }, |
| 216 | + "*", |
| 217 | + ); |
| 218 | +} |
| 219 | + |
| 220 | +function progressBoard() { |
| 221 | + const newBoard = structuredClone(board); |
| 222 | + for (let i = 0; i < boardSize; i++) { |
| 223 | + for (let j = 0; j < boardSize; j++) { |
| 224 | + //周囲のマスに生きたセルが何個あるかを計算(aroundに格納)↓ |
| 225 | + let around = 0; |
| 226 | + const aroundCells = []; |
| 227 | + let tate, yoko; |
| 228 | + if (i === 0) { |
| 229 | + tate = [0, 1]; |
| 230 | + } else if (i === boardSize - 1) { |
| 231 | + tate = [0, -1]; |
| 232 | + } else { |
| 233 | + tate = [-1, 0, 1]; |
| 234 | + } |
| 235 | + if (j === 0) { |
| 236 | + yoko = [0, 1]; |
| 237 | + } else if (j === boardSize - 1) { |
| 238 | + yoko = [0, -1]; |
| 239 | + } else { |
| 240 | + yoko = [-1, 0, 1]; |
| 241 | + } |
| 242 | + |
| 243 | + for (let ii = 0; ii < tate.length; ii++) { |
| 244 | + for (let jj = 0; jj < yoko.length; jj++) { |
| 245 | + if (tate[ii] !== 0 || yoko[jj] !== 0) { |
| 246 | + if (isAlive(board[i + tate[ii]][j + yoko[jj]])) { |
| 247 | + around += 1; |
| 248 | + aroundCells.push(board[i + tate[ii]][j + yoko[jj]]); |
| 249 | + } |
| 250 | + } |
| 251 | + } |
| 252 | + } |
| 253 | + //↑周囲のマスに生きたセルが何個あるかを計算(aroundに格納) |
| 254 | + |
| 255 | + // 生死を判定 |
| 256 | + if (isNextAlive(around, board[i][j])) { |
| 257 | + // 生きている場合 |
| 258 | + newBoard[i][j] = isAlive(board[i][j]) ? board[i][j] : getBirthColor(aroundCells); |
| 259 | + } else { |
| 260 | + // 死んでいる場合 |
| 261 | + newBoard[i][j] = WHITE; |
| 262 | + } |
| 263 | + } |
| 264 | + } |
| 265 | + board = newBoard; |
| 266 | + generationChange(generationFigure + 1); |
| 267 | + rerender(); |
| 268 | +} |
| 269 | + |
| 270 | +//イベント |
| 271 | + |
| 272 | +on.progress = () => { |
| 273 | + progressBoard(); |
| 274 | +}; |
| 275 | + |
| 276 | +on.board_reset = () => { |
| 277 | + //すべて死んだセルにBoardを変更 |
| 278 | + board = Array.from({ length: boardSize }, () => Array.from({ length: boardSize }, () => WHITE)); |
| 279 | + renderBoard(); |
| 280 | + generationChange(0); |
| 281 | +}; |
| 282 | + |
| 283 | +on.board_randomize = () => { |
| 284 | + //生きたセル死んだセルランダムにBoardを変更 |
| 285 | + board = Array.from({ length: boardSize }, () => |
| 286 | + Array.from({ length: boardSize }, () => { |
| 287 | + if (Math.random() > 0.5) { |
| 288 | + // 生きたセル:ランダムな色を生成 |
| 289 | + const r = Math.floor(Math.random() * 256); |
| 290 | + const g = Math.floor(Math.random() * 256); |
| 291 | + const b = Math.floor(Math.random() * 256); |
| 292 | + return (r << 16) | (g << 8) | b; |
| 293 | + } else { |
| 294 | + // 死んだセル |
| 295 | + return WHITE; |
| 296 | + } |
| 297 | + }), |
| 298 | + ); |
| 299 | + renderBoard(); |
| 300 | + generationChange(0); |
| 301 | +}; |
| 302 | + |
| 303 | +on.get_boardsize = () => { |
| 304 | + window.parent.postMessage({ type: "get_boardsize", data: boardSize }, "*"); |
| 305 | +}; |
| 306 | + |
| 307 | +on.place_template = (template) => { |
| 308 | + patternShape = template; |
| 309 | + patternHeight = patternShape.length; |
| 310 | + patternWidth = patternShape[0].length; |
| 311 | + isPlacingTemplate = true; |
| 312 | + table.style.cursor = "crosshair"; |
| 313 | +}; |
| 314 | + |
| 315 | +on.save_board = async () => { |
| 316 | + window.parent.postMessage( |
| 317 | + { |
| 318 | + type: "save_board", |
| 319 | + data: { |
| 320 | + board: board, |
| 321 | + isColorful: isColorful, |
| 322 | + }, |
| 323 | + }, |
| 324 | + "*", |
| 325 | + ); |
| 326 | +}; |
| 327 | + |
| 328 | +on.apply_board = (newBoard) => { |
| 329 | + board = newBoard; |
| 330 | + renderBoard(); |
| 331 | + generationChange(0); |
| 332 | +}; |
| 333 | + |
| 334 | +on.apply_color = (colorValue) => { |
| 335 | + currentSelectedColor = colorValue; |
| 336 | +}; |
| 337 | + |
| 338 | +on.request_colorful_status = () => { |
| 339 | + window.parent.postMessage({ type: "colorful_status", data: isColorful }, "*"); |
| 340 | +}; |
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