五子棋初階 AI | JavaScript Programming Project

{"id":23795,"student_id":10,"content":"game.click(game.place);\ngame.click(AI);\n\nvar attack = [0, 1, 3, 10, 50, 300];\nvar defend = [0, 1, 2, 10, 40, 290];\n\nfunction AI() {\n    var bestX;\n    var bestY;\n    var bestPoints = -1;\n\n    for (var x = 0; x \u003c 14; x++) {\n        for (var y = 0; y \u003c 14; y++) {\n            if (game.grid[x][y] != undefined) continue;\n            var attackPoints = getPoints(x, y, game.current, attack);\n            var defendPoints = getPoints(x, y, game.current == 'w' ? 'b' : 'w', defend);\n            var points = attackPoints + defendPoints;\n            if (points \u003e bestPoints) {\n                bestPoints = points;\n                bestX = x;\n                bestY = y;\n            }\n        }\n    }\n    game.place(bestX, bestY);\n}\n\nfunction getPoints(x, y, who, attack) {\n    var result = game.check(x, y, who);\n    var score = result[1] * attack[1] +\n                result[2] * attack[2] +\n                result[3] * attack[3] +\n                result[4] * attack[4];\n    return score;\n}","created_at":"2018-03-07T15:56:23.886+08:00","updated_at":"2019-11-12T10:14:17.707+08:00","name":"五子棋初階 AI","language":"javascript","screenshot":{"url":"/uploads/project/screenshot/23795/89edcce60b8890776f43b51e69f48ea4.jpg"},"parent_id":13312,"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\n\nvar game = (function () {\n\n    let grid = {};\n\n    let instance = {\n        place: place,\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=-4; y\u003c=19; y++) {\n            grid[x][y] = undefined;\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            stop();\n        }\n        if (re == 'wwwww') {\n            print(\"白方獲勝\");\n            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        if (x \u003c 0 || x \u003e= 15 || y \u003c 0 || y \u003e= 15) return;\n        \n        funcs.forEach(function (func) {\n            func(x, y);\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] == undefined) 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    function place (x, y) {\n        grid[x][y] = instance.current;\n        instance.current = instance.current == 'w' ? 'b' : 'w';\n    }\n\n    let funcs = [];\n    function click (func) {\n        funcs.push(func);\n    }\n\n    function check(x, y, color) {\n        grid[x][y] = color;\n        var result = [0, 0, 0, 0, 0];\n        var a, b, c;\n        var start, len;\n        for (len = 5; len \u003e= 1; 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] = undefined;\n        return result;\n    }\n\n    return instance;\n})();\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":571,"hashid":"vngs5835","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}