drawASCIICircle by GPT4

drawASCIICircle.js

// Written by GPT4
// Prompt: Write a JS function that returns a string of an ASCII circle of a certain radius

function drawASCIICircle(radius) {
  let output = "";

  for (let y = -radius; y <= radius; y++) {
    for (let x = -radius; x <= radius; x++) {
      // Using the equation of a circle (x^2 + y^2 = r^2)
      // We add 0.5 to the threshold to make the circle look smoother
      let distance = Math.sqrt(x * x + y * y);
      let char = (distance <= radius + 0.5 && distance >= radius - 0.5) ? "*" : " ";
      output += char;
    }
    output += "\n";
  }

  return output;
}