洗牌演算法 | JavaScript 程式專案

{"id":28279,"student_id":10,"content":"// 洗牌演算法\nfor (var i=0; i\u003c100; i++) {\n    var rand1 = Math.floor(Math.random()*cards.length);\n    var rand2 = Math.floor(Math.random()*cards.length);\n    var temp = cards[rand1];\n    cards[rand1] = cards[rand2];\n    cards[rand2] = temp;\n}\n\n\nvar myCard = [];\nfor (var i=0; i\u003c52; i++) {\n    if (i \u003c 5) {\n        myCard.push(cards[i]);\n    }else {\n        cards[i].hidden = true;\n    }\n}\n\n// 同花順\nfunction straightFlush (cards) {\n    return straight(cards) \u0026\u0026 flush(cards);\n}\n\n// 鐵支\nfunction fourOfAKind (cards) {\n    var record = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];\n    for (var i=0; i\u003c5; i++) {\n        record[cards[i].num] += 1;\n    }\n    for (var i=0; i\u003c13; i++) {\n        if (record[i] == 4) {\n            return true;\n        }\n    }\n    return false;\n}\n\n// 葫蘆\nfunction fullHouse (cards) {\n    return threeOfAkind(cards) \u0026\u0026 twoPair(cards);\n}\n\n// 同花\nfunction flush (cards) {\n    return cards[0].color == cards[1].color \u0026\u0026\n           cards[1].color == cards[2].color \u0026\u0026\n           cards[2].color == cards[3].color \u0026\u0026\n           cards[3].color == cards[4];\n}\n\n//順子\nfunction straight (cards) {\n    cards.sort(function (a, b) { return a.num - b.num });\n    var arr = cards.concat(cards).concat(cards);\n    for (var i=0; i\u003carr.length - 5; i++) {\n        if (arr[i + 4].num - arr[i + 3].num == 1 \u0026\u0026\n            arr[i + 3].num - arr[i + 2].num == 1 \u0026\u0026\n            arr[i + 2].num - arr[i + 1].num == 1 \u0026\u0026\n            arr[i + 1].num - arr[i + 0].num == 1) {\n                return true;\n            }\n    }\n    return false;\n}\n\n// 三條\nfunction threeOfAkind (cards) {\n    var record = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];\n    for (var i=0; i\u003c5; i++) {\n        record[cards[i].num] += 1;\n    }\n    for (var i=0; i\u003c13; i++) {\n        if (record[i] == 3) {\n            return true;\n        }\n    }\n    return false;\n}\n\n// 兩對\nfunction twoPair (cards) {\n    var count = 0;\n    var record = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];\n    for (var i=0; i\u003c5; i++) {\n        record[cards[i].num] += 1;\n    }\n    for (var i=0; i\u003c13; i++) {\n        if (record[i] == 2) {\n            count++;\n        }\n    }\n    return count == 2;\n}\n\n// 一對\nfunction pair (cards) {\n    for (var a=0; a\u003c4; a++) {\n        for (var b=a+1; b\u003c5; b++) {\n            if (cards[a].num == cards[b].num) {\n                return cards[a].num;\n            }\n        }   \n    }\n    return false;\n}\n\nvar result = [\n    straightFlush(myCard),\n    fourOfAKind(myCard),\n    fullHouse(myCard),\n    flush(myCard),\n    straight(myCard),\n    threeOfAkind(myCard),\n    twoPair(myCard),\n    pair(myCard),\n]\n\nforever(function(){\n    print(result, 100, 100, 'black', 20);\n});","created_at":"2018-05-08T12:19:54.297+08:00","updated_at":"2019-11-12T00:40:54.293+08:00","name":"洗牌演算法","language":"javascript","screenshot":{"url":"https://cdn7.koding.school/uploads/project/screenshot/28279/89edcce60b8890776f43b51e69f48ea4.jpg"},"parent_id":2,"plugin":"var cards = [];\n\nfor (var i=1; i\u003c=52; i++) {\n    let s = createSprite(i + '.png');\n    s.color = (i - 1)%4;\n    s.num = (i - 1 - s.color)/4;\n    s.color += 1;\n    s.num += 1;\n    s.scale = 0.5;\n    cards.push(s);\n    s.on('click', () =\u003e console.log(s.color, s.num));\n}\n\nforever(function(){\n    for (var i=0; i\u003ccards.length; i++) {\n        var x = i%10;\n        var y = (i - x)/10;\n        cards[i].x = x*60 + 50;\n        cards[i].y = y*75 + 50;\n    }\n})","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":327,"hashid":"6rpsq92j","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}