Circle coordinates to array in JavaScript

JavascriptWeb DevelopmentObject Oriented Programming

Following is the code to circle coordinates to array in JavaScript −

Example

 Live Demo

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
   body {
      font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
   }
   .result {
      font-weight: 500;
      font-size: 18px;
      color: blueviolet;
   }
</style>
</head>
<body>
<h1>Circle coordinates to array</h1>
<div class="result"></div>
<br />
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to generate the circle coordinates</h3>
<script>
   let resEle = document.querySelector(".result");
   let BtnEle = document.querySelector(".Btn");
   let xCoords = [];
   let yCoords = [];
   function circleCoordinates(radius, steps, centerX, centerY) {
      for (let i = 0; i < steps; i++) {
         xCoords.push(centerX + radius * Math.cos(2 * Math.PI * (i / steps)));
         yCoords.push(centerY + radius * Math.sin(2 * Math.PI * (i / steps)));
      }
   }
   BtnEle.addEventListener("click", () => {
      circleCoordinates(10, 5, 4, 4);
      resEle.innerHTML = "Coordinates for circle are: <br>";
      for (let i = 0; i < xCoords.length; i++) {
         resEle.innerHTML +=
         "X = " + xCoords[i] + " : Y = " + yCoords[i] + "<br>";
      }
   });
</script>
</body>
</html>

Output

On click the ‘CLICK HERE’ button −

raja
Published on 18-Jul-2020 10:40:24
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