private static boolean isInCornerTargetZone(float x,float y,float handleX,float handleY,float targetRadius){
  if (Math.abs(x - handleX) <= targetRadius && Math.abs(y - handleY) <= targetRadius) {
    return true;
  }
  return false;
}

private static boolean isInCornerTargetZone ( float x , float y , float handleX , float handleY , float targetRadius ) { if ( Math . abs ( x - handleX ) <= targetRadius && Math . abs ( y - handleY ) <= targetRadius ) { return true ; } return false ; }
determines if the specified coordinate is in the target touch zone for a corner handle .
