hole

1 files changed, 18 insertions, 4 deletions

diff --git a/hole.lua b/hole.lua
index 6dbae37..8eb8c68 100644
--- a/hole.lua
+++ b/hole.lua
@@ -9,14 +9,28 @@ local scanner = assert(peripheral.wrap"right")
 local laser = assert(peripheral.wrap"left")
 
 while true do
-	local targets = {}
 	local scanned = scanner.scan()
-	for _,v in ipairs(scanned) do
+	local targets = {}
+	for _,s in ipairs(scanned) do
+		local should_add = true
+		for i,t in ipairs(targets) do
+			if t.x == s.x and t.z == s.z then
+				should_add = false
+				if s.y > t.y then
+					targets[i] = s
+				end
+			end
+		end
+		if should_add then
+			table.insert(targets,s)
+		end
+	end
+	for _,v in ipairs(targets) do
 		if     v.z <= 7 and v.z >= -8
 		   and v.x <= 7 and v.x >= -8
 		   and v.y < 0  then
-			local yaw,pitch = yaw_pitch(t.x,t.y,t.z)
+			local yaw,pitch = yaw_pitch(v.x,v.y,v.z)
 			laser.fire(yaw,pitch,4)
 		end
 	end
-until #targets == 0
+end