companje_processing-sketches/2D/FibonacciSpiral/FibonacciSpiral.pde
float phi = (sqrt(5)+1)/2;

size(323,200);
translate(height/phi,0);
scale(height);
noStroke();  
smooth();

for (float i=0; i<10; i++) {
  fill(i/10*255);
  rect(0,0,1,1);
  fill(255,255,0,150);
  arc(0,0,2,2,0,PI/2);
  scale(1/phi);
  rotate(PI/2);
  translate(1/phi,0);   
}
