CIrcle change, we did it without you matt :P

void setup () {

  size(800, 800);

  background(255);

  //xdistance = x + 5;

}

​

void draw() {

​

  for (int i = 1; i < 7; i++) {

    fill (128);

    ellipse(i*75, 250, 50, 50);

    if(dist(i*75, 250, mouseX, mouseY) <= 25) {

      fill(255);

     ellipse(i*75, 250, 50, 50);

//    float ellipsed = dist(75, 250, mouseX, mouseY);

   //  if (dist == 25) {

//        fill(255);

//      }

    }

  }

}