public double[] isSelected(int[] screenCoordTest, AbstractDrawer draw) { for (int i = 0; i < XY.length; i++) { int[] screenCoord = draw.project(XY[i]); if ((screenCoord[0] + note_precision > screenCoordTest[0]) && (screenCoord[0] - note_precision < screenCoordTest[0]) && (screenCoord[1] + note_precision > screenCoordTest[1]) && (screenCoord[1] - note_precision < screenCoordTest[1])) return XY[i]; } return null; }