private void forMelee(Creeper creeper) { Location lcreeper = creeper.getLocation(); LivingEntity player = creeper.getTarget(); Location lplayer = player.getLocation(); Vector vcreeper = new Vector(lcreeper.getX(), lcreeper.getY(), lcreeper.getZ()); Vector vplayer = new Vector(lplayer.getX(), lplayer.getY(), lplayer.getZ()); if (vplayer.isInSphere(vcreeper, 3d)) { switch (lplayer.getWorld().getDifficulty()) { case EASY: player.damage(3, creeper); case NORMAL: player.damage(4, creeper); case HARD: player.damage(6, creeper); } } }