Points on a circle with specified step in radians

points_on_circle.js

const step = Math.PI / 20;  // step in radians
const raduus = 2.0;
const center = { x: 3.0, y: 2.0 };  // [x, y]

const points = [];

for (let angle = 0; angle < Math.PI * 2; angle += step) {
  const initPoint = { x: 0.0, y: raduus };
  
  const rotatedPoint = {
    x: initPoint.x * Math.cos(angle) - initPoint.y * Math.sin(angle),
    y: initPoint.x * Math.sin(angle) + initPoint.y * Math.cos(angle),
  };

  const translatedPoint = {
    x: rotatedPoint.x + center.x,
    y: rotatedPoint.y + center.y,
  };

  points.push(translatedPoint);
}

console.log(points.map(({ x, y}) => `[${x.toFixed(2)}, ${y.toFixed(2)}]`).join(',\n'));