// Sine 
// by REAS <http://reas.com> 

 
float spin = 0.0; 
float radius = 42.0; 
float angle; 
 
float angle_rot; 
int rad_points = 90; 
 
void setup() 
{ 
  size(200, 200); 
  noStroke(); 
  ellipseMode(CENTER_RADIUS); 
  smooth(); 
  framerate(30); 
} 
 
void draw() 
{ 
  background(153); 
  
  translate(130, 65); 
  
  fill(255); 
  ellipse(0, 0, 8, 8); 
  
  angle_rot = 0; 
  fill(51); 
 
  for(int i=0; i<5; i++) { 
    pushMatrix(); 
    rotate(angle_rot + -45); 
    ellipse(-116, 0, radius, radius); 
    popMatrix(); 
    angle_rot += PI*2/5; 
  } 
 
  radius = 17 * sin(angle) + 84; 
  
  angle += 0.03; 
  if (angle > TWO_PI) { angle = 0; } 
}