Eye e1, e2;

void setup()
{  
    size(500, 500);
    background(255, 255, 255);

    strokeWeight(10);  // Beastly

    arc (400,350,150,150,0, PI/2);
    strokeWeight(1); 

    fill(0);
    smooth();
    ellipse(400,350,100,150);
    ellipse(400,250,100,100);
    triangle(360,180,360,250,400,225);
    triangle(440,180,440,250,400,225);
    ellipse(418,423,30,10);

    fill(255);
    ellipse(380,260,10,10);
    ellipse(410,260,10,10);

    smooth();
    noStroke();
    e1 = new Eye( 380, 260,  20);
    e2 = new Eye( 410, 260,  20);  
}

int step =1;
int x=0;


void draw()
{

  fill(249,163,241);
  ellipse(mouseX,mouseY,10,10);
 
  e1.update(mouseX, mouseY);
  e2.update(mouseX, mouseY);
  

  e1.display();
  e2.display();

}

class Eye 
{
  int ex, ey;
  int size;
  float angle = 0.0;
  
  Eye(int x, int y, int s) {
    ex = x;
    ey = y;
    size = s;
 }

  void update(int mx, int my) {
    angle = atan2(my-ey, mx-ex);
  }
  
  void display() {
    pushMatrix();
    translate(ex, ey);
    fill(255);
    ellipse(0, 0, size, size);
    rotate(angle);
    fill(153);
    ellipse(size/4, 0, size/2, size/2);
    popMatrix();
  }
}