int inter;
PImage leonardo;

void setup(){
 
   size (970,600, P3D); 
   
   noFill();
   leonardo = loadImage("dni_leonardo.jpg"); 
}


void draw() {
 
   
   background (0); 
   float x = mouseX;
   inter = int(1.5*x/100);
   rectangulo (x);
  
}


void rectangulo (float x) {
  
    for (int i=inter; i>0; i--) {

     stroke (0,250,0);
     strokeWeight (2);
     
     float y = x/1.618; 
     rect(0, 0, x, y);
     image(leonardo, 0, 0, x, y);
     rect(0,0,y,y);
     cachoespiral(y);
     translate (x, 0);
     rotate (PI/2);
     x=y;  
    }
 
}


void cachoespiral (float y) {
  
  stroke (255,0,0);
  strokeWeight (5);
  arc(y,y, y*2, y*2, PI, TWO_PI-PI/2);
  
  
}