五子棋AI 副本 | JavaScript 程式專案

{"id":175614,"student_id":1404,"content":"// 黑子(電腦)先下\ngrid[7][7] = 'b';\n\n// 印出評估函式計算的分數在每個格子上\nforever(function(){\n    for (var x = 0; x \u003c 15; x++) {\n        for (var y = 0; y \u003c 15; y++) {\n            if(grid[x][y] == \"\"){\n                grid[x][y] = 'b';\n                var attacking_score = evaluation (x, y);\n                grid[x][y] = 'w';\n                var defending_score = evaluation (x, y);\n                var score = attacking_score * 1.1 + defending_score;\n                grid[x][y] = '';\n                drawText(score, 120+x*30, 35+y*30, \"black\", 10);\n            }\n            \n        }\n    }\n});\n\n// 當玩家下完會觸發 AI 函式換電腦下棋\nfunction AI() {\n    var best_score = -1;\n    var best_x, best_y;\n    for (var x = 0; x \u003c 15; x++) {\n        for (var y = 0; y \u003c 15; y++) {\n            if(grid[x][y] == \"\"){\n                grid[x][y] = 'b';\n                var attacking_score = evaluation (x, y);\n                grid[x][y] = 'w';\n                var defending_score = evaluation (x, y);\n                var score = attacking_score * 1.1 + defending_score;\n                if(score \u003e best_score){\n                    best_score = score;\n                    best_x = x;\n                    best_y = y;\n                }\n                grid[x][y] = '';\n                drawText(score, 120+x*30, 35+y*30, \"black\", 10);\n            }\n        }\n    }\n    grid[best_x][best_y] = \"b\";\n}\n\n// 評估函式\nfunction evaluation (x, y) {\n    var G = grid; //縮寫減少程式，大寫 G 是為了不要和小寫 g 變數命名衝突\n    var r = line_points(grid[x][y], grid[x+1][y], grid[x+2][y], grid[x+3][y], grid[x+4][y]);\n    var l = line_points(grid[x][y], grid[x-1][y], grid[x-2][y], grid[x-3][y], grid[x-4][y]);\n    var t = line_points(grid[x][y], grid[x][y-1], grid[x][y-2], grid[x][y-3], grid[x][y-4])\n    var b = line_points(grid[x][y], grid[x][y+1], grid[x][y+2], grid[x][y+3], grid[x][y+4])\n    var rt = line_points(grid[x][y], grid[x+1][y-1], grid[x+2][y-2], grid[x+3][y-3], grid[x+4][y-4])\n    var lt = line_points(grid[x][y], grid[x-1][y-1], grid[x-2][y-2], grid[x-3][y-3], grid[x-4][y-4])\n    var rb = line_points(grid[x][y], grid[x+1][y+1], grid[x+2][y+2], grid[x+3][y+3], grid[x+4][y+4])\n    var lb = line_points(grid[x][y], grid[x-1][y+1], grid[x-2][y+2], grid[x-3][y+3], grid[x-4][y+4])\n    return r*l + t*b + rt*lb + rb*lt;\n}\n\n// 傳入五個格子內容，計算一條線的分數\n// line_points(\"b\", \"\", \"w\", \"b\", \"w\") =\u003e 1\n// line_points(\"b\", \"b\", \"\", \"b\", \"w\") =\u003e 10\n// line_points(\"b\", \"b\", \"b\", \"b\", \"w\") =\u003e 1000\n// line_points(\"w\", \"b\", \"b\", \"b\", \"w\") =\u003e 1\n// line_points(\"w\", \"w\", \"b\", \"b\", \"w\") =\u003e 10\n// line_points(\"w\", \"w\", \"w\", \"\", \"w\") =\u003e 100\nfunction line_points (a, b, c, d, e) {\n    if (b != a) {\n        return 1;\n    }\n    if (c != a) {\n        return 10;\n    }\n    if (d != a) {\n        return 100;\n    }\n    if (e != a) {\n        return 1000;\n    }\n    return 10000;\n}\n\n\n\n\n\n\n\n\n\n\n\n\n\n","created_at":"2020-08-01T16:06:04.918+08:00","updated_at":"2020-08-15T15:18:28.277+08:00","name":"五子棋AI 副本","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/175614/6ba302cd2c48feedcbfd58014b2db4c6.jpg"},"parent_id":52798,"plugin":"setBackdrop(\"bg.png\");\n\nvar zz = [ 0,  0,  0,  0, 0,  0,  0,  0,  0];\nvar v1 = [ 4,  3,  2,  1, 0, -1, -2, -3, -4];\nvar v2 = [-4, -3, -2, -1, 0,  1,  2,  3,  4];\n\nvar game = (function () {\n\n    let grid = {};\n    \n    let status = 'playing';\n\n    let instance = {\n        place: place,\n        placeWhite: placeWhite,\n        placeBlack: placeBlack,\n        click: click,\n        current: 'b',\n        grid: grid,\n        check: check,\n    }\n\n    for (let x=-14; x\u003c=29; x++) {\n        grid[x] = {};\n        for (let y=-14; y\u003c=29; y++) {\n            grid[x][y] = '';\n        }    \n    }\n\n    function isWin (x, y, vx, vy) {\n        var re = grid[x][y] + grid[x + vx][y + vy] + grid[x + vx*2][y + vy*2] + grid[x + vx*3][y + vy*3] + grid[x + vx*4][y + vy*4];\n        if (re == 'bbbbb') {\n            print(\"黑方獲勝\");\n            status = 'stop';\n        }\n        if (re == 'wwwww') {\n            print(\"白方獲勝\");\n            status = 'stop';\n        }\n    }\n\n    when('click', function () {\n        var x = Math.floor((cursor.x - 97)/30);\n        var y = Math.floor((cursor.y - 17)/30);\n        \n\n        if (x \u003c 0 || x \u003e= 15 || y \u003c 0 || y \u003e= 15) return;\n        place(x, y);\n        \n        AI();\n        \n       \n    });\n\n    forever(function () {\n        for (var x=0; x\u003c15; x++) {\n            for (var y=0; y\u003c15; y++) {\n                pen.size = 0;\n                if (grid[x][y] == '') continue;\n                if (grid[x][y] == 'b') pen.fillColor = 'black';\n                if (grid[x][y] == 'w') pen.fillColor = 'white';\n                pen.drawCircle(x*30 + 110, y*30 + 30, 14);\n            }\n        }\n        for (var x=0; x\u003c15; x++) {\n            for (var y=0; y\u003c15; y++) {\n                isWin(x, y, 1, 0);\n                isWin(x, y, -1, 0);\n                isWin(x, y, 0, 1);\n                isWin(x, y, 0, -1);\n                isWin(x, y, 1, 1);\n                isWin(x, y, -1, 1);\n                isWin(x, y, 1, -1);\n                isWin(x, y, -1, -1);\n            }\n        }\n    });\n    \n    \n\n    function place (x, y) {\n        if (status === 'stop') return;\n        if (grid[x][y] !== '') return;\n        // grid[x][y] = instance.current;\n        // instance.current = instance.current == 'w' ? 'b' : 'w';\n        var count = 0;\n        for (var xx=0; xx\u003c15; xx++) {\n            for (var yy=0; yy\u003c15; yy++) {\n                if (grid[xx][yy] !== '') count++;\n            }\n        }\n        grid[x][y] = count%2 === 0 ? 'b' : 'w';\n    }\n    \n    function placeWhite (x, y) {\n        if (status == 'stop') return;\n        // if (grid[x][y] != undefined) return;\n        grid[x][y] = 'w';\n        instance.current = 'b';\n    }\n    \n    function placeBlack (x, y) {\n        if (status == 'stop') return;\n        // if (grid[x][y] != undefined) return;\n        grid[x][y] = 'b';\n        instance.current = 'w';\n    }\n\n    let funcs = [];\n    function click (func) {\n        funcs.push(func);\n    }\n\n    function check(color, x, y) {\n        \n        if (color == 'white' || color == 'w') color = 'w';\n        if (color == 'black' || color == 'b') color = 'b';\n        \n        var temp = grid[x][y];\n        grid[x][y] = color;\n        var result = [0, 1, 0, 0, 0, 0];\n        var a, b, c;\n        var start, len;\n        for (len = 5; len \u003e= 2; len--) {\n            for (start = 5 - len; start \u003c= 4; start++) {\n                z = zz.slice(start, start + len);\n                d = v1.slice(start, start + len);\n                i = v2.slice(start, start + len);\n                if (checkLine(grid, x, y, d, z, color)) result[len]++;\n                if (checkLine(grid, x, y, z, d, color)) result[len]++;\n                if (checkLine(grid, x, y, d, d, color)) result[len]++;\n                if (checkLine(grid, x, y, d, i, color)) result[len]++;\n            }\n        }\n\n        function checkLine(grid, x, y, vx, vy, who) {\n            for (var i=0; i\u003cvx.length; i++) {\n                var xx = x + vx[i];\n                var yy = y + vy[i];\n                if (grid[xx][yy] != who) return false;\n            }\n            return true;\n        }\n\n        grid[x][y] = temp;\n        return result;\n    }\n\n    return instance;\n})();\n\ngame.click(game.placeWhite);\n\ngrid = game.grid;\n\nfunction showScore (score, x, y) {\n    print(score, 115 + x*30, 35 + y*30, 'black', 10);\n}\n\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":63,"hashid":"npmspmw6","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}