var row=6;var col=6;var headinglist={0:"朝上",1:"朝右",2:"朝下",3:"朝左"}//上下左右var imglist={0:"plane.png",1:"right.png",2:"down.png",3:"left.png"}var trueHeading;//最多有五架飞机朝左边var Max=5;//实际朝左的飞机var realHeading;//朝左边飞机的位置var reals=[];//增加干扰的数量var noiseMax=3;//干扰的方向var noiseHeading;//获取干扰的位置。var realnoise;var noise=[];//创建表格
   rander();function rander(){//默认是朝上的，var defaultplane="plane.png";trueHeading=getRandom(4)console.log(headinglist[trueHeading])//如果选择的是朝上的，那么默认的就朝下。if(trueHeading==0) defaultplane=imglist[2];var targetplane=imglist[trueHeading];$(".title span").html(headinglist[trueHeading]);var $table=$("#table");$table.empty();realHeading=getRandom(Max)reals=[];getRandomPositions();console.log("realHeading",realHeading);$("#anwser").html("")noise=[];noiseHeading=getNoiseHeading(trueHeading);getRandom(noiseMax);getRandomNoisePosition();for(var i=0;i<row;i++){var $tr=$("<tr>"); for(var j=0;j<col;j++){//装载飞机var  img=$("<img src='"+defaultplane+"' />")if(IsIn(j,i)){img=$("<img src='"+targetplane+"' />")  } if(IsInNoise(j,i)){img=$("<img src='"+imglist[noiseHeading]+"' />")  }var $td=$("<td>").html(img);  $tr.append($td)}$table.append($tr);}setTimeout(function(){showQuestion();},3000)}function showQuestion(){$("#warp").addClass("shadow");$("#warp").show();}function close(){$("#warp").removeClass("shadow");$("#warp").hide();// alert(realHeading)$("#anwser").html(realHeading)setTimeout(rander,3000)}function IsIn(x,y){return !!reals.find(n=>n[0]==x&&n[1]==y);}function IsInNoise(x,y){return !!noise.find(n=>n[0]==x&&n[1]==y);}function getNoiseHeading(th){var h=getRandom(4);if(h!=th){console.log("干扰方向是",headinglist[h])return h;}return getNoiseHeading();}function getRandomPositions(){for(var i=0;i<realHeading;i++){getRandomPosition();}}//获取随机噪音的位置function getRandomNoisePosition(){var x=getRandom(col);var y=getRandom(row);//检查var item=reals.find(n=>n[0]==x&&n[1]==y);if(item) return getRandomPosition();noise.push([x,y]);};//获取随机的位置function getRandomPosition(){var x=getRandom(col);var y=getRandom(row);//检查var item=reals.find(n=>n[0]==x&&n[1]==y);if(item) return getRandomPosition();reals.push([x,y]);};//获取随机数function getRandom(max){var ran=Math.round(max*Math.random());return ran>=max?getRandom(max):ran;}$(".close").click(function(){close();})