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prime-visualization.html
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prime-visualization.html
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<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<title>Prime</title>
<style>
table, th, td {
border-collapse: collapse;
background-color: #eaefed;
border:3px solid grey;
}
th,td{
width:40px;
height: 30px;
text-align: center;
border-right: none;
border-bottom:none;
}
</style>
</head>
<body>
<div class="gridDiv">
</div>
<script>
$(document).ready(function () {
var row=15,colum=25,n=row*colum,speed=500;
function sleep(miliseconds) {
var currentTime = new Date().getTime();
while (currentTime + miliseconds >= new Date().getTime()) {
}
return true;
}
function getI(row,col){
console.log(row,col);
var tableRow=document.getElementsByTagName("tr");
return tableRow[row].getElementsByTagName("td")[col];
}
function mark(p,isPrime){
var row=Math.ceil(p/colum)-1,col=p-row*colum-1;
console.log("Row : "+row+" , Col:"+col);
if(isPrime){
getI(row,col).style.backgroundColor="#12e594";
//getI(Math.ceil(p/colum)-1,p%colum -1).style.borderRadius="15px";
}
else
getI(row,col).style.backgroundColor="#ffb366";
//wait(speed);
}
function selectD(p){
var row=Math.ceil(p/colum)-1,col=p-row*colum-1;
var current=getI(row,col);
current.style.borderRadius="15px";
console.log("Select D: "+p);
}
function selectB(p){
var row=Math.ceil(p/colum)-1,col=p-row*colum-1;
var current=getI(row,col);
current.style.border = "3px solid #e80b21";
current.style.borderRadius="15px";
console.log("Select B: "+p);
}
function selectC(p){
var row=Math.ceil(p/colum)-1,col=p-row*colum-1;
var current=getI(row,col);
current.style.border = "3px solid blue";
//current.style.borderRadius="15px";
console.log("Select C: "+p);
}
function unSelect(p){
var row=Math.ceil(p/colum)-1,col=p-row*colum-1;
console.log("unSelect : "+p);
var current=getI(row,col);
current.style.border = "";
}
function myPrime(){
var prime=new Array(n+1);
var sq=true;
for(var i=0;i<prime.length;i++)
prime[i]=false;
prime[2]=true;
prime[3]=true;
mark(2,true);
selectD(2);
mark(3,true);
selectD(3);
var r=4;
var i=5,iPrevious=i;
function predict(){
setTimeout(function(){
if(i<=n){
unSelect(iPrevious)
selectB(i);
prime[i]=!prime[i];
mark(i,prime[i]);
r=6-r;
if(sq && prime[i]){
var isquare=i*i,falsePrimeDis,circle=6*i,falsePrimeDis=(6-r)*i;
if(isquare>=n)
sq=false;
var nxtFlsPrime=isquare,fPrevious=nxtFlsPrime;
var x=setInterval(function(){
if(nxtFlsPrime<=n){
console.log("xx"+nxtFlsPrime);
unSelect(fPrevious);
prime[nxtFlsPrime]=true;
selectC(nxtFlsPrime);
mark(nxtFlsPrime,prime[nxtFlsPrime]);
falsePrimeDis= circle - falsePrimeDis;
//unSelect(nxtFlsPrime);
//console.log("in: "+nxtFlsPrime);
fPrevious=nxtFlsPrime;
nxtFlsPrime+=falsePrimeDis;
}
else{
console.log("ll+"+fPrevious);
if(sq){
unSelect(fPrevious);
}
predict();
clearInterval(x);
}
},speed);
}
else{
unSelect(iPrevious);
predict();
}
iPrevious=i;
i+=r;
if(i>=n)
unSelect(iPrevious);
}
},speed);
}
predict();
// for(var i=5;i<=n;i+=r){
// selectB(i);
// prime[i]=!prime[i];
// mark(i,prime[i]);
// r=6-r;
// if(sq && prime[i]){
// var isquare=i*i,falsePrimeDis,circle=6*i,falsePrimeDis=(6-r)*i;
// if(isquare>=n)
// sq=false;
// for(var nxtFlsPrime=isquare;nxtFlsPrime<=n;nxtFlsPrime+=falsePrimeDis){
// console.log("xx"+nxtFlsPrime);
// prime[nxtFlsPrime]=true;
// selectC(nxtFlsPrime);
// mark(nxtFlsPrime,prime[nxtFlsPrime]);
// falsePrimeDis= circle - falsePrimeDis;
// unSelect(nxtFlsPrime);
// }
// }
// }
//return true;
}
var table = $('<table></table>').addClass('tableClass');
for(var i=0;i<row;i++){
var tableRow=$('<tr></tr>').addClass('rowClass');
for(var j=0;j<colum;j++){
var tableColum=$('<td></td>').addClass('colClass').text(i*colum+j+1);
tableRow.append(tableColum);
}
table.append(tableRow);
}
$('.gridDiv').append(table);
myPrime(n,row,colum);
});
</script>
</body>
</html>