{"id":58199,"student_id":1981,"content":"// grid[4]=\"O\";\r\n\r\n\r\nfunction AI (grid) {\r\n var best;\r\n var bestScore=0;\r\n for(var i=0;i\u003c9;i++){\r\n if(grid[i]===''){ \r\n var score=0;\r\n grid[i]='X';\r\n score+=evaluation(grid);\r\n grid[i]='O';\r\n score+=evaluation(grid);\r\n if(score\u003ebestScore){ \r\n best=i;\r\n bestScore=score;\r\n }\r\n grid[i]='';\r\n }\r\n }\r\n grid[best]=turn;//將X下在分數最高的的地方\r\n}\r\n//評估涵式\r\nfunction evaluation (g) {\r\n return getPoints(g[0]+g[1]+g[2])+\r\n getPoints(g[3]+g[4]+g[5])+\r\n getPoints(g[6]+g[7]+g[8])+\r\n getPoints(g[0] + g[3] + g[6]) +\r\n getPoints(g[1] + g[4] + g[7]) +\r\n getPoints(g[2] + g[5] + g[8]) +\r\n getPoints(g[0] + g[4] + g[8]) +\r\n getPoints(g[2] + g[4] + g[6]);\r\n}\r\n\r\nfunction getPoints (s) {//計算某一條線的分數\r\n if(s=='OOO')return 200;\r\n if(s=='XXX')return 1000;\r\n if(s=='OO')return 20;\r\n if(s=='XX')return 10;\r\n if(s=='O')return 2;\r\n if(s=='X')return 1;\r\n return 0;\r\n \r\n}\r\n\r\nforever(function(){//印出每個格子的分數\r\n for(var x=0;x\u003c3;x++){ \r\n for(var y=0;y\u003c3;y++){ \r\n if(grid[x+y*3]===''){\r\n if(grid[x]===''){ \r\n var score=0;//宣告計算分數的變數\r\n grid[x]='X';//計算攻擊分數\r\n score+=evaluation(grid);//將分數加入攻擊分數\r\n grid[x]='O';//計算防守分數\r\n score+=evaluation(grid);//將分數加入防守\r\n grid[x]='';\r\n }\r\n }\r\n }\r\n }\r\n})","created_at":"2019-03-09T11:21:25.469+08:00","updated_at":"2020-03-07T15:15:02.634+08:00","name":"井字 副本","language":"javascript","screenshot":{"url":"https://cdn9.koding.school/uploads/project/screenshot/58199/ff67cb4c962658ec6e04426beef03157.jpg"},"parent_id":52799,"plugin":"setBackdrop(\"#333\");\n\nvar turn = 'O';\nvar offsetX = 110;\nvar offsetY = 40;\nvar width = 400/3;\nvar status = 'playing'; // playing, gameover\n\nvar grid = ['', '', '', '', '', '', '', '', ''];\n\nforever(function() {\n\n \n var winner = check();\n if (winner) {\n print(winner + '獲勝!', 10, 10, 'white');\n status = 'gameover';\n } else {\n print('playing', 10, 10, 'white');\n }\n\n for (var i = 0; i \u003c 9; i++) {\n var x = i%3;\n var y = (i-x)/3;\n var xx = x*width + offsetX;\n var yy = y*width + offsetY;\n \n pen.color = '#fff';\n pen.size = 2;\n pen.fillColor = '#222';\n \n pen.drawRect(xx, yy, width, width);\n if (grid[i] === 'O') {\n print(grid[i], xx + 30, yy + 20, 'red', width/1.5);\n }\n if (grid[i] === 'X') {\n print(grid[i], xx + 30, yy + 20, 'blue', width/1.5);\n }\n }\n})\n\nfunction check () {\n var g = grid;\n if (g[0] == g[1] \u0026\u0026 g[1] == g[2]) return g[0];\n if (g[3] == g[4] \u0026\u0026 g[4] == g[5]) return g[3];\n if (g[6] == g[7] \u0026\u0026 g[7] == g[8]) return g[6];\n if (g[0] == g[3] \u0026\u0026 g[3] == g[6]) return g[0];\n if (g[1] == g[4] \u0026\u0026 g[4] == g[7]) return g[1];\n if (g[2] == g[5] \u0026\u0026 g[5] == g[8]) return g[2];\n if (g[0] == g[4] \u0026\u0026 g[4] == g[8]) return g[0];\n if (g[2] == g[4] \u0026\u0026 g[4] == g[6]) return g[2];\n return false;\n}\n\n\nwhen('click', function () {\n var x = Math.floor((cursor.x - offsetX)/width);\n var y = Math.floor((cursor.y - offsetY)/width);\n var i = y*3 + x;\n if (x \u003e 2 || y \u003e 2 || x \u003c 0 || y \u003c 0) return;\n if (grid[i] !== '') return;\n if (status != 'playing') return;\n place(turn, i);\n // grid[i] = turn;\n // turn = turn == 'O' ? 'X': 'O';\n\n AI(grid);\n turn = turn == 'O' ? 'X' : 'O';\n\n});\n\nfunction place (who, idx) {\n grid[idx] = who;\n turn = turn == 'O' ? 'X' : 'O';\n}\n\n\nvar scores = [0,0,0,0,0,0,0,0,0];\nfunction showScore (score, i) {\n var x = i%3;\n var y = (i - x)/3;\n print(score, x*width + offsetX, y*width + offsetY, '#fff', 40);\n}\n\n// forever(function () {\n// for (var i = 0; i \u003c 9; i++) {\n// showScore(scores[i], i);\n// }\n// });\n\n\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":65,"hashid":"wdks3pqz","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
[]
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