eye function exercise

var ex, ey, eyeSize;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  ex = width/2;

  ey = height/2;

  eyeSize = 100;

}

​

function draw() {

  background(0);

  noStroke();

  //instead of the code below make a function to 

  //draw multiple eyes at certain positions

​

  drawEye (100,90, 100); 

  drawEye (220,400, 30);

  drawEye (520,200, 50);

}

  function drawEye(ex,ey,eyeSize) {

    var dy = mouseY - ey; 

   var dx = mouseX - ex; 

   var orientation = atan2(dy, dx); 

   push(); 

    translate(ex, ey);

    //white

    fill(255); 

    strokeWeight(5);

    circle(0,0, eyeSize);

    rotate(orientation); 

    //pupil

    fill(0);

    circle(eyeSize/4,0,eyeSize/2); 

    pop(); 

  }

​