// multi object w/ communication
// 041009
// ah

int agent_number = 10;
Agent[] agents;

void setup() {
  size (500,500);
  rectMode(CENTER_DIAMETER);

  agents = new Agent[agent_number + 1];
  for (int i = 0; i < agent_number; i++) {
    agents[i] = new Agent(int(random(500)), int(random(500)), agents);
  }
	
  background(255);
}

void loop() {
  background(255);
  for (int i = 0; i < agent_number; i++) {
    agents[i].drawLine();
    agents[i].drawMyself();
    agents[i].move();
  }
}

class Agent {
  int x, y;
  Agent[] agents;

  Agent(int x, int y, Agent[] agents) {
    this.x = x;
    this.y = y;
    this.agents = agents;
  }

  void drawLine() {
    for (int i = 0; i < agent_number; i++) {
      stroke (200);
      line (x, y, agents[i].x, agents[i].y);
    }
  }

  void drawMyself() {
    stroke (180, 150, 0);
    fill (200,200,0);
    quad (x - 5, y, x, y - 5, x + 5, y, x, y + 5);
  }

  void move() {
    x += int(random(-2, 2));
    y += int(random(-2, 2));
  }
}