FYF P5 sketch for portfolio

gistfile1.txt

var shadow;
var user;
var shoe;
var a1;
var b1;

var angle;
var v1;
var v2;
var q;
var len;
var root;

function setup() {
  createCanvas(windowWidth,windowHeight);
 a1 = createVector(150, 0);
 b1 = createVector(0, 150);
  //fullScreen();
  shadow = loadImage("http://res.cloudinary.com/abhinav21/image/upload/v1513914508/shadow_qbw9tf.png");
  user = loadImage("http://res.cloudinary.com/abhinav21/image/upload/v1513914646/user_rlfoxr.png");
  shoe = loadImage("http://res.cloudinary.com/abhinav21/image/upload/v1513914641/shoe_bkvlvw.png");
  angleMode(DEGREES);
}

function draw() {
  background(0);
  push();
  translate(width/2, height/2);
  fill(0);
  //line(0, 0, a.x, a.y);
  //line(0, 0, b.x, b.y);
  b1.set(mouseX-width/2, mouseY-height/2, 0);
  
  

 var angle1 = angle(a1, b1);
  //text(var(degrees(angle)), 0, 0);
  //q = degrees(angle1);
  //prvarln(var(q));
  //text(var(q), 50, 50);

  rotate((angle1+90));
   
  
  len = sq(mouseX-width/2) + sq(mouseY-height/2);
  root = sqrt(len);
  //prvarln(root);
  image(shadow, -22, 0, 50, root);
  image(shoe, -20, -15, 50, 50);
  pop();
  push();
  translate(width/2, height/2);
  //rotate(angle1);
  image(user, (mouseX- width/2)-50, (mouseY-height/2)-50, 100, 100);
  
  pop();
}
function angle(v1, v2) {
  var a = atan2(v2.y, v2.x) - atan2(v1.y, v1.x);
  if (a < 0) a += TWO_PI;
  return a;
}