生命遊戲副本 | JavaScript 程式專案

{"id":48728,"student_id":1440,"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 32; x++) {\n        newGrid[x] = []\n        for (var y = 0; y \u003c 24; y++) {\n            if ((grid[x][y] \u0026\u0026 (calc(x, y) == 3 || calc(x, y) == 2)) || ((!grid[x][y]) \u0026\u0026 calc(x, y) == 3)) {\n                newGrid[x][y] = true\n            } else if ((grid[x][y] \u0026\u0026 calc(x, y) \u003e= 4) || (grid[x][y] \u0026\u0026 calc(x, y) \u003c= 1)) {\n                newGrid[x][y] = false\n            } else {\n                newGrid[x][y] = grid[x][y]\n            }\n        }\n    }\n    for (var x = 0; x \u003c newGrid.length; x++) {\n        for (var y = 0; y \u003c newGrid[x].length; y++) {\n            grid[x][y] = newGrid[x][y]\n        }\n    }\n}\n\nfunction calc (x, y) {\n    var count = 0\n    for (var i = -1; i \u003c= 1; i++) {\n        for (var j = -1; j \u003c= 1; j++) {\n            if (grid[x-i][y-j] \u0026\u0026 !(i == 0 \u0026\u0026 j == 0)) {\n                count++\n            }\n        }\n    }\n    return count\n}","created_at":"2018-11-14T21:10:22.794+08:00","updated_at":"2019-11-03T08:19:18.734+08:00","name":"生命遊戲 副本","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/48728/8a8c0edd0fa735d5937403878f78578e.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":166,"hashid":"gk4s55yw","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}