生命遊戲副本 | JavaScript 程式專案

{"id":51447,"student_id":283,"content":"/* 1.走訪所有格子\n   2.依據生命遊戲的規則判斷細胞生命\n   3.存入grid資料\n*/\n\n\nvar grid = game(32, 24); // 初始化地圖\nwhen('keyup', 'space', grid.pause); // 空白鍵開始、暫停\n\nfunction update () {\n    //為了防止因時間差而產生錯誤判斷\n    var newGrid = [];\n    for (var x = 0; x \u003c 32; x++) {\n        newGrid[x] = [];\n        for (var y = 0; y \u003c 24; y++) {\n            var c = calc(x, y);\n            //print(c, x*20, y*20, \"red\");\n            //依據生命遊戲條件判斷細胞生死\n            if(grid[x][y] \u0026\u0026 c\u003c2) newGrid[x][y] = false;\n            if(grid[x][y] \u0026\u0026 c\u003e3) newGrid[x][y] = false;\n            if(grid[x][y] \u0026\u0026 c==2) newGrid[x][y] = true;\n            if(c==3) newGrid[x][y] = true;\n        }\n    }\n    \n    for (var x = 0; x \u003c 32; x++) {\n        for (var y = 0; y \u003c 24; y++) {\n            grid[x][y] = newGrid[x][y]\n        }\n    }\n}\n//計算細胞附近的生命狀態\nfunction calc (x, y) {\n    var count = 0;\n    if (grid[x-1][y-1]) count++;\n    if (grid[x-0][y-1]) count++;\n    if (grid[x+1][y-1]) count++;\n    if (grid[x-1][y+0]) count++;\n    if (grid[x+1][y+0]) count++;\n    if (grid[x-1][y+1]) count++;\n    if (grid[x-0][y+1]) count++;\n    if (grid[x+1][y+1]) count++;\n    return count;\n}","created_at":"2018-12-08T10:16:18.403+08:00","updated_at":"2019-11-09T18:52:01.566+08:00","name":"生命遊戲 副本","language":"javascript","screenshot":{"url":"https://cdn3.koding.school/uploads/project/screenshot/51447/692ee926d7aef86fc90053f3da791c24.jpg"},"parent_id":33937,"plugin":"// 為了讓 print 正常在 update 中順利印出數字\nstopRendering();\n\nvar game = function (w, h) {\n    \n    var grid = {}\n    var width = 640/w;\n    var height = 480/h;\n    var run = false; // 開始 or 暫停\n\n    for (var x=-1; x \u003c w+1; x++) {\n        grid[x] = {};\n        for (var y=-1; y \u003c h+1; y++) {\n            grid[x][y] = false;\n        }\n    }\n    \n    var clock = 0;\n    forever(function() {\n        clock++;\n        if (clock % 20 != 0) return; // 每秒更新 3 次\n\n        for (var x = 0; x \u003c w; x++) {\n            for (var y = 0; y \u003c h; y++) {\n                pen.size = 1;\n                pen.fillColor = grid[x][y] ? 'black': 'white';\n                pen.drawRect(x*width, y*height, width, height);\n            }\n        }\n\n        if (run) update();\n    });\n\n    when(\"click\", function() {\n        var x = Math.floor(cursor.x/(640/w));\n        var y = Math.floor(cursor.y/(480/h));\n        grid[x][y] = !grid[x][y];\n    });\n\n    grid.pause = function () {\n        run = !run;\n    };\n\n    return grid;\n}","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":123,"hashid":"ej9s5ry3","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}