// The Nature of Code

// The Coding Train / Daniel Shiffman

// https://youtu.be/ttz05d8DSOs

// https://thecodingtrain.com/learning/nature-of-code/1.2-vector-math.html

// https://editor.p5js.org/codingtrain/sketches/U4ezFLIZ

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(0);

​

​

  let pos = createVector(200, 200);

  let mouse = createVector(mouseX, mouseY);

​

  let v = p5.Vector.sub(mouse, pos);

​

  // let m = v.mag();

  // v.div(m);

  // v.normalize();

  // v.mult(50);

  v.normalize().mult(50);

  // v.setMag(50);

​

​

  translate(width / 2, height / 2);

  strokeWeight(4);

  stroke(255);

  line(0, 0, v.x, v.y);

}