JavaScript computer AI

JavaScript computer AI

本文关键字:AI computer JavaScript      更新时间:2023-09-26

我有一个用JavaScript构建的井字游戏。我已经在函数中为计算机AI部分编写了逻辑。我想调用代码上部的函数,但它不起作用。有人对如何实现代码的Ai功能有什么建议吗?我想成功,所以很难赢。有什么问题吗?

谢谢。

这是我的JSFiddle链接:http://jsfiddle.net/fnez/rvacaer4/

HTML:

<body>
<div id="container">
    <header>
        <h1>Tic Tac Toe</h1>
    </header>
    <ul id="board">
        <li id="spot1"></li>
        <li id="spot2"></li>
        <li id="spot3"></li>
        <li id="spot4"></li>
        <li id="spot5"></li>
        <li id="spot6"></li>
        <li id="spot7"></li>
        <li id="spot8"></li>
        <li id="spot9"></li>
    </ul>
    <div class="clearfix"></div>
    <footer id="reset">Reset</footer>
</div>
</body>

JavaScript:

$(document).ready(function() {
    var x = "x";
    var o = "o";
    var turns = 0;
// spots stored in variables 
    var spot1 = $("#spot1");
    var spot2 = $("#spot2");
    var spot3 = $("#spot3");
    var spot4 = $("#spot4");
    var spot5 = $("#spot5");
    var spot6 = $("#spot6");
    var spot7 = $("#spot7");
    var spot8 = $("#spot8");
    var spot9 = $("#spot9");
// function for resetting the board
    function remove() {
            $("#board li").text("");
            $("#board li").removeClass("disable");
            $("#board li").removeClass("o");
            $("#board li").removeClass("x");
            turns = 0;
    }
// Board click 
    $("#board li").on("click", function() {
        console.log(turns);
        if(turns % 2 === 0) {
            $(this).text(x);
            $(this).addClass('disable x');
        } 
        xWins();
        if(turns % 2 !== 0) {
            compCheck();
        } 
        oWins();
        turns ++;
        draw();
    });

    //Checking for Wins
    function xWins() {
        if(spot1.hasClass(x) && spot2.hasClass(x) && spot3.hasClass(x) || 
            spot1.hasClass(x) && spot4.hasClass(x) && spot7.hasClass(x) ||
            spot1.hasClass(x) && spot5.hasClass(x) && spot9.hasClass(x) ||
            spot2.hasClass(x) && spot5.hasClass(x) && spot8.hasClass(x) ||
            spot3.hasClass(x) && spot5.hasClass(x) && spot7.hasClass(x) ||
            spot3.hasClass(x) && spot6.hasClass(x) && spot9.hasClass(x) ||
            spot4.hasClass(x) && spot5.hasClass(x) && spot6.hasClass(x) ||
            spot7.hasClass(x) && spot8.hasClass(x) && spot9.hasClass(x)
            )   {
                alert("Winner is X");
                remove();           
                }
    }
        function oWins() {
        if(spot1.hasClass(o) && spot2.hasClass(o) && spot3.hasClass(o) || 
            spot1.hasClass(o) && spot4.hasClass(o) && spot7.hasClass(o) ||
            spot1.hasClass(o) && spot5.hasClass(o) && spot9.hasClass(o) ||
            spot2.hasClass(o) && spot5.hasClass(o) && spot8.hasClass(o) ||
            spot3.hasClass(o) && spot5.hasClass(o) && spot7.hasClass(o) ||
            spot3.hasClass(o) && spot6.hasClass(o) && spot9.hasClass(o) ||
            spot4.hasClass(o) && spot5.hasClass(o) && spot6.hasClass(o) ||
            spot7.hasClass(o) && spot8.hasClass(o) && spot9.hasClass(o)
            )   {
                alert("Winner is O");
                remove();           
                }
    }
    //Checks for tie 
    function draw() {
        while(turns == 9) {
            alert("It's a tie !");
            remove();
        }
    };
    //Reset button function
        $("#reset").on("click", function() {
            remove();
        });

// Computer AI MOVES 
function compCheck() {
    if (spot1.text == "" && ((spot3.text == "x" && spot2 == "x") || (spot9 == "x" && spot5 == "x") || (spot7 == "x" && spot4 == "x"))) {
        spot1.text(o);
        spot1.addClass('disable o');
        turns++;
    } else {
      if (spot1.text == "" && ((spot1.text == "x" && spot3.text == "x") || (spot8.text == "x" && spot5 == "x"))) {
        spot2.text(o);
        spot2.addClass('disable o');
        turns++; 
        }
        else{
        if (spot3.text == "" && ((spot1.text == "x" && spot2.text == "x") || (spot7.text == "x" && spot5.text == "x") || (spot9.text == "x" && spot6.text == "x"))) {
            spot3.text(o);
            spot3.addClass('disable o');
            turns++;
        }
            else{
            if (spot9.text == "" && ((spot7.text == "x" && spot8.text == "x") || (spot1.text == "x" && spot5.text == "x") || (spot3.text == "x" && spot6.text == "x"))) {
                spot9.text(o);
                spot9.addClass('disable o');
                turns++;
        }
                else{
                if (spot7.text == "" && ((spot9.text == "x" && spot8.text == "x") || (spot3.text == "x" && spot2.text == "x") || (spot1.text == "x" && spot4.text == "x"))) {
                    spot7.text(o);
                    spot7.addClass('disable o');
                    turns++;
        }
                    else{
                    if (spot8.text == "" && ((spot9.text == "x" && spot7 == "x") || (spot2.text == "x" && spot5.text == "x"))) {
                        spot8.text(o);
                        spot8.addClass('disable o');
                        turns++;
        }
                        else{
                        if (spot4.text == "" && ((spot6.text == "x" && spot5.text == "x") || (spot1.text == "x" && spot7.text == "x"))) {
                            spot4.text(o);
                            spot4.addClass('disable o');
                            turns++;
        }
                            else{
                            if (spot6.text == "" && ((spot3.text == "x" && spot9.text == "x") || (spot5.text == "x" && spot4.text == "x"))) {
                                spot4.text(o);
                                spot4.addClass('disable o');
                                turns++;
        }
                                else{
                                if (spot5.text == "" && ((spot3.text == "x" && spot7.text == "x") || (spot9.text == "x" && spot1.text == "x") || (spot6.text == "x" && spot4.text == "x") || (spot8.text == "x" && spot2.text == "x"))) {
                                    spot4.text(o);
                                    spot4.addClass('disable o');
                                    turns++;
        }
                                   else{ // if no spot to block then play these spots....
                                    if (spot5.text == "") {
                                        spot5.text(o);
                                        spot5.addClass('disable o');
                                        turns++;
                                    }
                                        else{
                                        if (spot1.text == "") {
                                            spot1.text(o);
                                            spot1.addClass('disable o');
                                            turns++;
                                    }
                                            else{
                                            if (spot9.text == "") {
                                                spot9.text(o);
                                                spot9.addClass('disable o');
                                                turns++;
                                    } 
                                                else {
                                                if (spot8.text == "") {
                                                    spot8.text(o);
                                                    spot8.addClass('disable o');
                                                    turns++;
                                    }
                                                    else{
                                                    if (spot4.text == "") {
                                                        spot4.text(o);
                                                        spot4.addClass('disable o');
                                                        turns++;
                                    }
                                                    }
                                                }
                                            }

                                        }
                                   }
                                }
                            }
                        }
                    }
                }
            }
        }
    }   
    }; 
    });

这里有一个固定版本:

http://jsfiddle.net/rvacaer4/4/

我根据自己的评论修改了轮次,还修复了*.text调用。

人工智能仍然有一些错误(有时不玩,没有正确防守(玩1,3,2总是赢),没有做制胜的动作,等等),但我相信你会发现的。


如果你真的想让玩家感到困难,我建议你放弃手动AI,写一个递归检查,在每种情况下都能找出最佳动作。正如我在第一条评论中所说,游戏很简单,所以如果编写得当,即使是今天最慢的机器也会在纳秒内计算出来。那样的话,人类只能做一场平局。