int score;
ball[] swarm;
int swarmSize;

void setup(){
  size(700, 500);
  colorMode(HSB);
  
  swarmSize = 10;  // Define the size of the swarm
  swarm = new ball[swarmSize];
  for(int i = 0; i < swarmSize; i = i + 1){
     swarm[i] = new ball();   // Create the swarm
 }
 score = 0;
}

void draw(){  
  fill(0, 50); // slight transparency
  rect(0,0,width,height);
  for(int i = 0; i < swarmSize; i = i + 1){
      swarm[i].display();  // Display each ball
      swarm[i].update();   // Move each ball
  }
  textAlign(CENTER, TOP);
  fill(255);
  textSize(30);
  text("Score: "+score, width/2, 0);
}

void mouseClicked()
{
    for(int i = 0; i < swarmSize; i = i + 1){
      if (swarm[i].mouseOn()) {
        score += swarm[i].value();
      }
    }
}