createCanvas(400, 400);

  background(50);

  angleMode(DEGREES);

  stroke('red');

  strokeWeight(2);

​

  translate(200,200);

  beginShape();

  for (let i = 0; i < 360; i+=45) {

    let x = 100 * sin(i);

    let y = 100 * cos(i);

    vertex(x, y);

  }

  endShape(CLOSE);

}

​

function draw() {}

​