五子棋初階 AI | JavaScript Programming Project

{"id":27744,"student_id":10,"content":"game.placeBlack(7, 7);\n\ngame.click(game.placeWhite);\ngame.click(AI);\n\nfunction AI() {\n    \n    var bestScore = 0;\n    var bestX;\n    var bestY;\n\n    for (var x = 0; x \u003c 15; x++) {\n        for (var y = 0; y \u003c 15; y++) {\n            if (game.grid[x][y] == 'empty') {\n                var score = getAttactPoints(x, y) + getDefinedPoints(x, y);\n                if (score \u003e bestScore) {\n                    bestScore = score;\n                    bestX = x;\n                    bestY = y;\n                }\n            }\n        }\n    }\n    game.placeBlack(bestX, bestY);\n}\n\nfunction getAttactPoints(x, y) {\n    var result = game.check('black', x, y);\n    var score = result[1]*1 +\n                result[2]*3 +\n                result[3]*11 +\n                result[4]*35 +\n                result[5]*350;\n    return score;\n}\n\nfunction getDefinedPoints(x, y) {\n    var result = game.check('white', x, y);\n    var score = result[1]*1 +\n                result[2]*3 +\n                result[3]*10 +\n                result[4]*30 +\n                result[5]*300;\n    return score;\n}\n\nforever(function(){\n    for (var x = 0; x \u003c 15; x++) {\n        for (var y = 0; y \u003c 15; y++) {\n            var point = getAttactPoints(x, y);\n            print(point, 115 + x*30, 35 + y*30, 'black', 10);\n        }\n    }\n});\n","created_at":"2018-05-02T16:35:00.541+08:00","updated_at":"2019-10-20T22:24:22.037+08:00","name":"五子棋初階 AI","language":"javascript","screenshot":{"url":"/uploads/project/screenshot/27744/a87164b08711c65f13532c44eb82be8b.jpg"},"parent_id":23795,"plugin":"setBackdrop(\"bg.png\");\n\nvar game = (function () {\n    \n    var zz = [ 0,  0,  0,  0, 0,  0,  0,  0,  0];\n    var v1 = [ 4,  3,  2,  1, 0, -1, -2, -3, -4];\n    var v2 = [-4, -3, -2, -1, 0,  1,  2,  3,  4];\n\n    var grid = {};\n    var current = 'b';\n    var gameOver = false;\n    \n    for (var x=-4; x\u003c=19; x++) {\n        grid[x] = {};\n        for (var y=-4; y\u003c=19; y++) {\n            grid[x][y] = 'empty';\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] == 'empty') 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        if (gameOver) stop();\n    });\n    \n    function placeWhite (x, y) {\n        if (grid[x][y] != 'empty') return;\n        grid[x][y] = 'w';\n        current = 'b';\n        checkWin();\n    }\n    \n    function placeBlack (x, y) {\n        if (grid[x][y] != 'empty') return;\n        grid[x][y] = 'b';\n        current = 'w';\n        checkWin();\n    }\n    \n    function checkWin () {\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 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            gameOver = true;\n        }\n        if (re == 'wwwww') {\n            print(\"白方獲勝\");\n            gameOver = true;\n        }\n    }\n\n    function click (func) {\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 || gameOver) return;\n            func(x, y);\n        });\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        grid[x][y] = temp;\n        return result;\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    return {\n        placeWhite: placeWhite,\n        placeBlack: placeBlack,\n        click: click,\n        grid: grid,\n        check: check,\n    }\n})();\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":495,"hashid":"4y3szj4k","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}