生命遊戲副本 | JavaScript 程式專案

{"id":41857,"student_id":2328,"content":"var 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    var newGrid = []\n    for (var x = 0; x \u003c= 31; x++) {\n        newGrid[x] = []\n        for (var y = 0; y \u003c= 23; y++) {\n            var c = calc(x, y)\n            if (c === 3) {\n                newGrid[x][y] = true\n            } else if (c == 2 \u0026\u0026 grid[x][y] === true) {\n                newGrid[x][y] = true\n            } else if (c \u003e= 4 \u0026\u0026 grid[x][y] === true) {\n                newGrid[x][y] = false\n            } else if (c \u003c= 1 \u0026\u0026 grid[x][y] === true) {\n                newGrid[x][y] = false\n            } else {\n                newGrid[x][y] = grid[x][y]\n            }\n        }\n\n    }\n\n    for(var xx = 0;xx\u003c=31;xx++){\n        for(var yy = 0;yy\u003c=23;yy++){\n            grid[xx][yy] = newGrid[xx][yy]\n        }\n    }\n\n}\n\nfunction calc (x, y) {\n    var count = 0\n    if (grid[x+1][y] === true) {\n        count++\n    }\n    if (grid[x-1][y] === true) {\n        count++\n    }\n    if (grid[x][y+1] === true) {\n        count++\n    }\n    if (grid[x][y-1] === true) {\n        count++\n    }\n    if (grid[x+1][y+1] === true) {\n        count++\n    }\n    if (grid[x+1][y-1] === true) {\n        count++\n    }\n    if (grid[x-1][y+1] === true) {\n        count++\n    }\n    if (grid[x-1][y-1] === true) {\n        count++\n    }\n\n    return count\n}","created_at":"2018-09-08T20:10:12.706+08:00","updated_at":"2019-10-28T06:05:53.552+08:00","name":"生命遊戲 副本","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/41857/692ee926d7aef86fc90053f3da791c24.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":75,"hashid":"rdvsd8qd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}