生命遊戲副本 | JavaScript 程式專案

{"id":62748,"student_id":1587,"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 a=0; a\u003c32; a++) {\n        newGrid[a] = []\n        for(var b=0; b\u003c24; b++) {\n            var c = calc(a,b);\n            \n            if(grid[a][b] \u0026\u0026 c\u003c3) newGrid[a][b] = false;//孤寂而死\n            if(grid[a][b] \u0026\u0026 c\u003e3) newGrid[a][b] = false;//擁擠而死\n            if(grid[a][b] \u0026\u0026 c==2) newGrid[a][b] = true;//有鄰居存活\n            if(c==3) newGrid[a][b] = true;//有鄰居存活/繁殖\n        }\n    }\n    \n    for(var a=0; a\u003c32; a++) {\n        for(var b=0; b\u003c24; b++) {\n            grid[a][b] = newGrid[a][b];\n        }\n    }\n}\n\nfunction calc (x, y) {\n    var count = 0;\n    if(grid[x+0][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-1]) count++;\n    if(grid[x-1][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    return count;\n}","created_at":"2019-04-18T10:03:40.271+08:00","updated_at":"2019-10-04T22:49:23.995+08:00","name":"生命遊戲 副本","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/62748/f8ff29d752c9d1285e2eddd7c22c08fa.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":100,"hashid":"p93sz2zd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}