private boolean isMenuTouched(int ix,int iy,Bitmap b,int siteOffset){
  int angle=getOffsetHistory() + siteOffset;
  double x0=RADIU * Math.cos(Math.toRadians(angle)) + circlePoint.getX();
  double y0=RADIU * Math.sin(Math.toRadians(angle)) + circlePoint.getY();
  return ((x0 - ix) * (x0 - ix) + (y0 - iy) * (y0 - iy)) <= getMinCircleRadius(b) * getMinCircleRadius(b);
}

private boolean isMenuTouched ( int ix , int iy , Bitmap b , int siteOffset ) { int angle = getOffsetHistory ( ) + siteOffset ; double x0 = RADIU * Math . cos ( Math . toRadians ( angle ) ) + circlePoint . getX ( ) ; double y0 = RADIU * Math . sin ( Math . toRadians ( angle ) ) + circlePoint . getY ( ) ; return ( ( x0 - ix ) * ( x0 - ix ) + ( y0 - iy ) * ( y0 - iy ) ) <= getMinCircleRadius ( b ) * getMinCircleRadius ( b ) ; }
determine whether the point in the picture . calculate whether the smallest inscribed circle contains the point ( ix , iy ) , will be deprecated soon .
