//new BLOBable class, that implements the BLOBable-interface.
public final class BLOBable_Letters implements BLOBable{
  int width_, height_;
  private float hsb_[] = new float[3];
  private float mousex_val_, mousey_val_;
  private String name_; 
  
  private PApplet papplet_;
  private PImage img_;
  
  public BLOBable_Letters(PApplet papplet, PImage img){
    papplet_ = papplet;
    img_ = img;
  }
  public final void setImg(PImage img){
    img_ = img;
  }
  
  //@Override
  public final void init() {
    name_ = this.getClass().getSimpleName(); 
  }
  
  //@Override
  public final void updateOnFrame(int width, int height) {
    width_ = width;
    height_ = height;
    mousex_val_ = PApplet.map(papplet_.mouseX, 0, papplet_.width,  1, 99);
    mousey_val_ = PApplet.map(papplet_.mouseY, 0, papplet_.height, 1, 98);
    if( mousex_val_ > 99 ) mousex_val_ = 99;
    if( mousex_val_ < 1 )  mousex_val_ = 1;
//    println("MY NAME IS: " +this.getClass().getSimpleName());
  }
  //@Override
  public final boolean isBLOBable(int pixel_index, int x, int y) {
    
    hsb_ = PixelColor.rgb2hsb(img_.pixels[pixel_index], hsb_);
    float hue = hsb_[0];
    float sat = hsb_[1];
    float bri = hsb_[2];
//  if ( (hue > 0 ) && ( sat > mousex_val) || (bri > mousey_val))
    if ( bri < mousex_val_  ){
//    if ( (hue < 20 || hue > 300) && ( sat > 50) && (bri > 50))
      return true;
    } else {
      return false;
    }
  }
}