diff --git a/init.lua b/init.lua
index 21773f8..0d3305b 100644
--- a/init.lua
+++ b/init.lua
@@ -353,10 +353,10 @@ minetest.register_ore({
 	ore_type	 	= "sheet",
 	ore				= "extrablocks:fokni_gneb_ore",
 	wherein			= "default:stone",
-	clust_size		= 20,
+	clust_size		= 10,
 	height_min		= -100,
 	height_max		= -32,
-	noise_params	= {offset=0, scale=1, spread={x=10, y=10, z=10}, seed=114, octaves=3, persist=0.70}
+	noise_params	= {offset=0, scale=1, spread={x=20, y=20, z=20}, seed=114, octaves=3, persist=0.70}
 })
 
 
diff --git a/laser_mk2.lua b/laser_mk2.lua
index 6e5a57a..d035e9d 100644
--- a/laser_mk2.lua
+++ b/laser_mk2.lua
@@ -1,148 +1,105 @@
 --license LGPLv2+, for the changes: WTFPL
 
-local range = 10
-local dirs = 10
-local side_ran = 3
-local say_laser_info = false
+local range = 10 --range of the laser shot
+local r_corr = 0.25 --remove a bit more nodes (if shooting diagonal) to let it look like a hole (sth like antialiasing)
 
-local function info(info)
-	if say_laser_info then
-		print("[extrablocks] <laser_mk2> "..info)
-	end
-end
+local f_1 = 0.5-r_corr
+local f_2 = 0.5+r_corr
 
-local function chps(ran, m, n)
-	if math.floor(ran*m+0.5) == math.floor(ran*n+0.5) then
-		return true
-	end
-	return false
-end
-
-local function round_pos(pos, a)
-	local output = {x=math.floor(pos.x*a+0.5)/a, y=math.floor(pos.y*a+0.5)/a, z=math.floor(pos.z*a+0.5)/a}
-	info(dump(output).." round "..dump(a))
-	return output
-end
-
-local function get_straight(dir, range)
-	if dir.x == 0
-	and dir.z == 0 then
-		if dir.y >= 0 then
-			return {0,0, 0,range, 0,0}
-		end
-		return {0,0, range,0, 0,0}
-	end
-	if dir.x == 0
-	and dir.y == 0 then
-		if dir.z >= 0 then
-			return {0,0, 0,0, 0,range}
-		end
-		return {0,0, 0,0, range,0}
-	end
-	if dir.y == 0
-	and dir.z == 0 then
+local function get_used_dir(dir)
+	local abs_dir = {x=math.abs(dir.x), y=math.abs(dir.y), z=math.abs(dir.z)}
+	local dir_max = math.max(abs_dir.x, abs_dir.y, abs_dir.z)
+	if dir_max == abs_dir.x then
+		local tab = {"x", {x=1, y=dir.y/dir.x, z=dir.z/dir.x}}
 		if dir.x >= 0 then
-			return {0,range, 0,0, 0,0}
+			tab[3] = "+"
 		end
-		return {range,0, 0,0, 0,0}
+		return tab
 	end
-	return false
-end
-
-local function get_qdrt(dir)
-	if dir.x >= 0 then
-		x1,x2 = 0,range
-	else
-		x1,x2 = range,0
-	end
-	if dir.y >= 0 then
-		y1,y2 = 0,range
-	else
-		y1,y2 = range,0
+	if dir_max == abs_dir.y then
+		local tab = {"y", {x=dir.x/dir.y, y=1, z=dir.z/dir.y}}
+		if dir.y >= 0 then
+			tab[3] = "+"
+		end
+		return tab
 	end
+	local tab = {"z", {x=dir.x/dir.z, y=dir.y/dir.z, z=1}}
 	if dir.z >= 0 then
-		z1,z2 = 0,range
+		tab[3] = "+"
+	end
+	return tab
+end
+
+local function node_tab(z, d)
+	local n1 = math.floor(z*d+f_1)
+	local n2 = math.floor(z*d+f_2)
+	if n1 == n2 then
+		return {n1}
+	end
+	return {n1, n2}
+end
+
+local function lazer_nodes(pos, dir, player)
+	local t_dir = get_used_dir(dir)
+	local dir_typ = t_dir[1]
+	if t_dir[3] == "+" then
+		f_tab = {0, range}
 	else
-		z1,z2 = range,0
+		f_tab = {-range,0}
 	end
-	local output = {x1,x2, y1,y2, z1,z2}
-	info(dump(output).." got_qdrt")
-	return output
-end
-
-local function make_d_table(dir)
-	return {
-		xdz = dir.x/dir.z,
-		zdx = dir.z/dir.x,
-		xdy = dir.x/dir.y,
-		ydx = dir.y/dir.x,
-		zdy = dir.z/dir.y,
-		ydz = dir.y/dir.z,
-	}
-end
-
-local function allowed_pos(i, j, k, d)
-	local ran = math.hypot(math.hypot(i,j),k)/side_ran
-	if (chps(ran, i/k, d.xdz) or chps(ran, k/i, d.zdx))
-	and (chps(ran, i/j, d.xdy) or chps(ran, j/i, d.ydx))
-	and (chps(ran, k/j, d.zdy) or chps(ran, j/k, d.ydz)) then
-		return true
+	local d_ch = t_dir[2]
+	if dir_typ == "x" then
+		for d = f_tab[1],f_tab[2],1 do
+			local x = d
+			local ytab = node_tab(d_ch.y, d)
+			local ztab = node_tab(d_ch.z, d)
+			for _,y in ipairs(ytab) do
+				for _,z in ipairs(ztab) do
+					lazer_it({x=pos.x+x, y=pos.y+y, z=pos.z+z}, player)
+				end
+			end
+		end
+		return
+	end
+	if dir_typ == "y" then
+		for d = f_tab[1],f_tab[2],1 do
+			local xtab = node_tab(d_ch.x, d)
+			local y = d
+			local ztab = node_tab(d_ch.z, d)
+			for _,x in ipairs(xtab) do
+				for _,z in ipairs(ztab) do
+					lazer_it({x=pos.x+x, y=pos.y+y, z=pos.z+z}, player)
+				end
+			end
+		end
+		return
+	end
+	for d = f_tab[1],f_tab[2],1 do
+		local xtab = node_tab(d_ch.x, d)
+		local ytab = node_tab(d_ch.y, d)
+		local z = d
+		for _,x in ipairs(xtab) do
+			for _,y in ipairs(ytab) do
+				lazer_it({x=pos.x+x, y=pos.y+y, z=pos.z+z}, player)
+			end
+		end
 	end
-	return false
 end
 
-local function def_pos(startpos, i, j, k)
-	return {x=startpos.x+i, y=startpos.y+j, z=startpos.z+k}
-end
+local function laser_shoot(itemstack, player)
+	local t1 = os.clock()
 
-local laser_shoot = function(itemstack, player, pointed_thing)
 	local playerpos=player:getpos()
 	local dir=player:get_look_dir()
-	if pointed_thing.type=="node" then
-		pos=minetest.get_pointed_thing_position(pointed_thing, above)
-		local node = minetest.get_node(pos)
-		if node.name~="ignore" then
-			minetest.node_dig(pos,node,player)
-			info(dump(pos).." dug (pointed)")
-		end
-	end
 
 	local startpos = {x=playerpos.x, y=playerpos.y+1.6, z=playerpos.z}
-	local velocity = {x=dir.x*50, y=dir.y*50, z=dir.z*50}
-	minetest.add_particle(startpos, dir, velocity, 1, 1, false, "extrablocks_laser_beam_mk2.png")
+	local a = {x=dir.x*50, y=dir.y*50, z=dir.z*50}
+	minetest.add_particle(startpos, dir, a, 1, 1, false, "extrablocks_laser_beam_mk2.png")
+	lazer_nodes(vector.round(startpos), dir, player)
 	minetest.sound_play("extrablocks_laser_mk2", {pos = playerpos, gain = 1.0, max_hear_distance = range})
 
-	dir = round_pos(dir, dirs)
-	playerpos = vector.round(playerpos)
-
-	local straight = get_straight(dir, range)
-	if straight then
-		info("straight")
-		for i = -straight[1],straight[2],1 do
-			for j = -straight[3],straight[4],1 do
-				for k = -straight[5],straight[6],1 do
-					lazer_it(def_pos(startpos, i, j, k), player)
-				end
-			end
-		end
-		return true
-	end
-	info("not straight")
-
-	local sizes = get_qdrt(dir, range)
-
-	local d = make_d_table(dir)
-
-	for i = -sizes[1],sizes[2],1 do
-		for j = -sizes[3],sizes[4],1 do
-			for k = -sizes[5],sizes[6],1 do
-				if allowed_pos(i, j, k, d) then
-					lazer_it(def_pos(startpos, i, j, k), player)
-				end
-			end
-		end
-	end
-	return true
+	print("[extrablocks] <laser_mk2> my shot was calculated after "..tostring(os.clock()-t1).."s")
+	return true --?
 end
 
 
@@ -150,17 +107,13 @@ minetest.register_tool("extrablocks:laser_mk2", {
 	description = "Mining Laser MK2",
 	inventory_image = "extrablocks_mining_laser_mk2.png",
 	stack_max = 1,
-	on_use = function(itemstack, user, pointed_thing)
+	on_use = function(itemstack, user)
 		item=itemstack:to_table()
 		laser_shoot(item, user, pointed_thing)
 	end,
 })
 
-function lazer_it (pos, player)	
-	local pos1={}
---	pos1.x=math.floor(pos.x)
---	pos1.y=math.floor(pos.y)
---	pos1.z=math.floor(pos.z)
+function lazer_it(pos, player)	
 	local node = minetest.get_node(pos)
 	if node.name == "air"
 	or node.name == "ignore"
@@ -171,7 +124,6 @@ function lazer_it (pos, player)
 	if node.name == "default:water_source"
 	or node.name == "default:water_flowing" then
 		minetest.remove_node(pos)
-		info(dump(pos).." removed")
 		return
 	end
 	if player then
diff --git a/laser_mk2_alternative.lua b/laser_mk2_alternative.lua
new file mode 100644
index 0000000..6e5a57a
--- /dev/null
+++ b/laser_mk2_alternative.lua
@@ -0,0 +1,180 @@
+--license LGPLv2+, for the changes: WTFPL
+
+local range = 10
+local dirs = 10
+local side_ran = 3
+local say_laser_info = false
+
+local function info(info)
+	if say_laser_info then
+		print("[extrablocks] <laser_mk2> "..info)
+	end
+end
+
+local function chps(ran, m, n)
+	if math.floor(ran*m+0.5) == math.floor(ran*n+0.5) then
+		return true
+	end
+	return false
+end
+
+local function round_pos(pos, a)
+	local output = {x=math.floor(pos.x*a+0.5)/a, y=math.floor(pos.y*a+0.5)/a, z=math.floor(pos.z*a+0.5)/a}
+	info(dump(output).." round "..dump(a))
+	return output
+end
+
+local function get_straight(dir, range)
+	if dir.x == 0
+	and dir.z == 0 then
+		if dir.y >= 0 then
+			return {0,0, 0,range, 0,0}
+		end
+		return {0,0, range,0, 0,0}
+	end
+	if dir.x == 0
+	and dir.y == 0 then
+		if dir.z >= 0 then
+			return {0,0, 0,0, 0,range}
+		end
+		return {0,0, 0,0, range,0}
+	end
+	if dir.y == 0
+	and dir.z == 0 then
+		if dir.x >= 0 then
+			return {0,range, 0,0, 0,0}
+		end
+		return {range,0, 0,0, 0,0}
+	end
+	return false
+end
+
+local function get_qdrt(dir)
+	if dir.x >= 0 then
+		x1,x2 = 0,range
+	else
+		x1,x2 = range,0
+	end
+	if dir.y >= 0 then
+		y1,y2 = 0,range
+	else
+		y1,y2 = range,0
+	end
+	if dir.z >= 0 then
+		z1,z2 = 0,range
+	else
+		z1,z2 = range,0
+	end
+	local output = {x1,x2, y1,y2, z1,z2}
+	info(dump(output).." got_qdrt")
+	return output
+end
+
+local function make_d_table(dir)
+	return {
+		xdz = dir.x/dir.z,
+		zdx = dir.z/dir.x,
+		xdy = dir.x/dir.y,
+		ydx = dir.y/dir.x,
+		zdy = dir.z/dir.y,
+		ydz = dir.y/dir.z,
+	}
+end
+
+local function allowed_pos(i, j, k, d)
+	local ran = math.hypot(math.hypot(i,j),k)/side_ran
+	if (chps(ran, i/k, d.xdz) or chps(ran, k/i, d.zdx))
+	and (chps(ran, i/j, d.xdy) or chps(ran, j/i, d.ydx))
+	and (chps(ran, k/j, d.zdy) or chps(ran, j/k, d.ydz)) then
+		return true
+	end
+	return false
+end
+
+local function def_pos(startpos, i, j, k)
+	return {x=startpos.x+i, y=startpos.y+j, z=startpos.z+k}
+end
+
+local laser_shoot = function(itemstack, player, pointed_thing)
+	local playerpos=player:getpos()
+	local dir=player:get_look_dir()
+	if pointed_thing.type=="node" then
+		pos=minetest.get_pointed_thing_position(pointed_thing, above)
+		local node = minetest.get_node(pos)
+		if node.name~="ignore" then
+			minetest.node_dig(pos,node,player)
+			info(dump(pos).." dug (pointed)")
+		end
+	end
+
+	local startpos = {x=playerpos.x, y=playerpos.y+1.6, z=playerpos.z}
+	local velocity = {x=dir.x*50, y=dir.y*50, z=dir.z*50}
+	minetest.add_particle(startpos, dir, velocity, 1, 1, false, "extrablocks_laser_beam_mk2.png")
+	minetest.sound_play("extrablocks_laser_mk2", {pos = playerpos, gain = 1.0, max_hear_distance = range})
+
+	dir = round_pos(dir, dirs)
+	playerpos = vector.round(playerpos)
+
+	local straight = get_straight(dir, range)
+	if straight then
+		info("straight")
+		for i = -straight[1],straight[2],1 do
+			for j = -straight[3],straight[4],1 do
+				for k = -straight[5],straight[6],1 do
+					lazer_it(def_pos(startpos, i, j, k), player)
+				end
+			end
+		end
+		return true
+	end
+	info("not straight")
+
+	local sizes = get_qdrt(dir, range)
+
+	local d = make_d_table(dir)
+
+	for i = -sizes[1],sizes[2],1 do
+		for j = -sizes[3],sizes[4],1 do
+			for k = -sizes[5],sizes[6],1 do
+				if allowed_pos(i, j, k, d) then
+					lazer_it(def_pos(startpos, i, j, k), player)
+				end
+			end
+		end
+	end
+	return true
+end
+
+
+minetest.register_tool("extrablocks:laser_mk2", {
+	description = "Mining Laser MK2",
+	inventory_image = "extrablocks_mining_laser_mk2.png",
+	stack_max = 1,
+	on_use = function(itemstack, user, pointed_thing)
+		item=itemstack:to_table()
+		laser_shoot(item, user, pointed_thing)
+	end,
+})
+
+function lazer_it (pos, player)	
+	local pos1={}
+--	pos1.x=math.floor(pos.x)
+--	pos1.y=math.floor(pos.y)
+--	pos1.z=math.floor(pos.z)
+	local node = minetest.get_node(pos)
+	if node.name == "air"
+	or node.name == "ignore"
+	or node.name == "default:lava_source"
+	or node.name == "default:lava_flowing" then
+		return
+	end
+	if node.name == "default:water_source"
+	or node.name == "default:water_flowing" then
+		minetest.remove_node(pos)
+		info(dump(pos).." removed")
+		return
+	end
+	if player then
+		minetest.node_dig(pos,node,player)
+	end
+end