int x1 = int(random(width));

int y1 = int(random(height));

int x2 = int(random(width));

int y2 = int(random(height));

int xspeed1 = 2;

int yspeed1 = 1;

int xspeed2 = 1;

int yspeed2 = 2;

int size = 50;

int mouthtime = 0;

float distance = 0.0;

void setup(){

  size(640, 480);

}

void draw(){

  println(frameCount);

  background(0);

  distance = dist(x1, y1, x2, y2);

  if(distance < size){

   xspeed1 = 0;

   yspeed1 = 0;

   xspeed2 = 0;

   yspeed2 = 0;

   size = 0;

  }

  fill(random(255), random(255), random(255));     // random(5);

  if(frameCount % 60 < 30){

    arc(x1, y1, size, size, 0.5, 5.78);

  } else {

    arc(x1, y1, size, size, 0.1, 6.18);    

  } 

    if(frameCount % 60 < 30){

    arc(x2, y2, size, size, 0.1, 6.18);

  } else {

    arc(x2, y2, size, size, 0.5, 5.78);    

  }

  x1 = x1 + xspeed1; 

  y1 = y1 + yspeed1;

  x2 = x2 + xspeed2; 

  y2 = y2 + yspeed2;

  if(x1 < 0 || x1 > 640){

    xspeed1 = -xspeed1;   

  }

  if(y1 < 0 || y1 > 480){

    yspeed1 = -yspeed1;   

  }

  if(x2 < 0 || x2 > 640){

    xspeed2 = -xspeed2;   

  }

  if(y2 < 0 || y2 > 480){

    yspeed2 = -yspeed2;   

  }

}

void mousePressed(){

  x1 = int(random(width));

  y1 = int(random(height));

  x2 = int(random(width));

  y2 = int(random(height));

  xspeed1 = int(random(10));

  yspeed1 = int(random(10));

  xspeed2 = int(random(10));

  yspeed2 = int(random(10));  

  size = 50;

}