class circle{
  float x;
  float y;
  float D;
  float D1;
  float Col;
  float iden;
  PFont courierNew;

  circle (float inX, float inY, float inDiam1, float inDiam2, float id, PFont cNew){
    x = inX;
    y = inY;
    D1 = inDiam1;
    D = inDiam2;
    Col = 0;
    iden = id;
    courierNew=cNew;


  }



  void render (){

    moveIN(); 
    moveOUT();
    moveOUTmouse();
    //links();
    borders();
    
    fillCol();
    fill (Col,50);
    stroke(90,150);
    ellipse (x,y,D,D);
    
    //stroke(150);
    //line (x-5, y, x+5, y);
    //line (x, y-5, x, y+5);

    fill (100,100);
    textFont(courierNew, 10); 
    text(Col, x, y);
  }



  // CLASS FUNCTIONS

  void moveIN (){
    float d;
    for (int i=0; i<nCircle.length; i++){
      d = dist(nCircle[i].x, nCircle[i].y,x,y);
      if ( d < 2*D && i!=iden){
        x = x + (nCircle[i].x-x)/100;
        y = y + (nCircle[i].y-y)/100;
      }
    }
  } 


  void moveOUT (){   
    float Vx, Vy, d, dmin;
    for (int i=0; i<nCircle.length; i++){
      d = dist(nCircle[i].x, nCircle[i].y,x,y);
      dmin = (nCircle[i].D+D)/2;
      Vx = (dmin-d)/dmin*(nCircle[i].x-x);
      Vy = (dmin-d)/dmin*(nCircle[i].y-y);   
      if ( d < dmin && i!=iden ){
        x = x - Vx;
        y = y - Vy;
      }
    } 
  }


  void moveOUTmouse (){   
    float Vx, Vy, d, dmin;
    d = dist(mouseX, mouseY,x,y);
    dmin = D1*1.5;
    Vx = (dmin-d)/dmin*(mouseX-x);
    Vy = (dmin-d)/dmin*(mouseY-y);   
    if ( d < dmin ){
      x = x - Vx;
      y = y - Vy;
    }
  }


  void fillCol (){
    float d, dmin, df;
    Col = 0;
    for (int i=0; i<nCircle.length; i++){
      d = dist(nCircle[i].x, nCircle[i].y,x,y);
      dmin = (nCircle[i].D+D)/2;
      df = dmin-d;
      if (df > 1 && i!=iden){
        Col = Col + df*2;
        //Col = Col + 25;
      }
    }
  }


  void links (){
    float d, dmin;
    for (int i=0; i<nCircle.length; i++){
      d = dist(nCircle[i].x, nCircle[i].y,x,y);
      dmin = (nCircle[i].D+D)/2;
      if (d < dmin*1){
        stroke(90,50);
        line (nCircle[i].x, nCircle[i].y,x,y);
      }
    }
  }


  void mousePos(){
    x = mouseX;
    y = mouseY;
  }


  void borders (){     
    if ( x < 0+D/2) x = D/2;
    if ( y < 0+D/2) y = D/2;
    if ( x > width-D/2) x = width-D/2;
    if ( y > height-D/2) y = height-D/2;
  }


}