// The Coding Train / Daniel Shiffman

// https://youtu.be/76fiD5DvzeQ

// https://thecodingtrain.com/tracks/p5-tips-and-tricks/more-p5/custom-shapes

​

function setup() {

  createCanvas(400, 400);

  angleMode(DEGREES);

}

​

function draw() {

  background(0);

  stroke(255);

  noFill();

​

  strokeWeight(4);

  point(mouseX, mouseY);

  point(150, 50);

  point(250, 60);

  point(300, 200);

  strokeWeight(1);

​

  beginShape();

​

  let spacing = map(mouseX, 0, width, 5, 100);

  for (let a = 0; a < 360; a += spacing) {

    let x = 100 * sin(a) + 200;

    let y = 100 * cos(a) + 200;

    vertex(x, y);

  }

​

  curveVertex(mouseX, mouseY);

  curveVertex(100, 200);

  curveVertex(150, 50);

  curveVertex(250, 60);

  curveVertex(300, 200);

  curveVertex(300, 200);

  endShape();

}