class Disc{
  int xi;
  int yi;
  float diameter;
  
  Disc(int tx, int ty, int td){
    xi=tx;
    yi=ty;
    diameter=td*1.0;
  }
  
  void drawMe(){
    //if(diameter>0){
    image(brushImg,xi-int(diameter/2),yi-int(diameter/2), int(diameter), int(diameter));
      //ellipse(xi, yi, int(diameter), int(diameter));
    //}
    updateMe();
  }
  void updateMe(){
    diameter-=0.5;
    if(diameter<=0){
      //removeDisc(this);
    }
  }
}