public boolean isCollid(final Mower mower) {

		final int mower_x = mower.getCurrentPosition().getX();
		final int mower_y = mower.getCurrentPosition().getY();
		final Direction mower_direction = mower.getCurrentPosition()
				.getDirection();

		if ((mower_x == this.lowerCorner.getX() && mower_direction == Direction.WEST)
				|| (mower_x == this.upperCorner.getX() && mower_direction == Direction.EAST)
				|| (mower_y == this.lowerCorner.getY() && mower_direction == Direction.SOUTH)
				|| (mower_y == this.upperCorner.getY() && mower_direction == Direction.NORTH)) {
			return true;
		}
		return false;
	}