float x, y;
int radius = 100;
int deg = 255;
float angle;
float ang= 1;

void setup(){
  size(400,400);
  background(255);
  noStroke();
  fill(0,60);
  x = width/2 + (cos(4.5) * radius);
  y = height/2 +(sin(4.5) * radius);
  
}

void draw(){
  ellipse(x,y,1,1);
  ellipse(width-x,y,1,1);
  
  x+= sin(ang);
  y-= cos(ang);
  ang = random(6.28);
  if (dist(width/2,height/2, x,y)>150){
  deg = deg - 30;
  angle = radians(deg);
  x = width/2 + (cos(angle) * radius);
  y = height/2 + (sin(angle) * radius); 
  }
 }