class Doctor {
  int x = 0;
  int y = 0;
  int mortality = int(random(50)+2);
  boolean move = true;
  float z = 0;
  int index;
  int health = 0;
  int seed = int(random(200));


  Doctor(int X,int Y){
    x = X+3;
    y = Y+3;

  }


  /*
   The conditions for health are as follows, 0 = healthy, 1 = sick, 2 = dead.
   */
  void Draw(){
    if(health == 0){
      stroke(1);
      fill(15,25,255);
      // image(myPerson, x, y);
      rect(x,y,8,8);//The healthy are white rectangles
    }
    else if(health == 1){
      fill(15,25,25);
      //   image(redPerson, x, y);
      rect(x,y,6,6);//The sick are green and emaciated. They also move slower - RECTANGLE!
    }
    else{
      move = false;
      fill(211,9,9);
      //  image(deadPerson, x, y);
      rect(x,y,4,4);//the dead are red and immobile.
    }

  }

  void Move(){
    if(move == true){
      noiseSeed(seed);
      x+=int(noise(z)*20-10);
      y+=int(noise(z-200)*20-10);
      z+=.1;
    }
  }

  void checkHit(){//This is collision detction, the doctor will heal people if they are sick.
    for(int I = 0;I<nd;I++){
      for(int J = 0;J<n;J++){
        float D = dist(Doctor[I].x,Doctor[I].y,People[J].x,People[J].y);
        if((D<10)&&(People[J].health == 1)){
          People[J].health = 0; 
        }

      }
    }
  }
  void disease(){//This sets the paramaters for the disease.
    if(health == 1){
      mortality--;
    }
    if(mortality==0){
      health = 2;
      move = false;
      sickCount--;
      deadCount++;
    }
  }
  /*
return sickCount;
   return deadCount;
   return healthyCount;
   */
}