Roblox Script Generated by ScripterAI

"make an npc ai that makes that when the npc is behind a wall he cant see me but when im visible he sees me and start damaging me trough a far zone"

-- First, create a part named 'Wall' in the workspace. This is the wall that the NPC will not be able to see through. 
-- Second, create a part named 'Player' in the workspace. This is the player that the NPC will be trying to see. 
-- Third, create a part named 'NPC' in the workspace. This is the NPC that will be trying to see the player. 
-- Finally, add this script to the NPC.

local RunService = game:GetService("RunService")
local Workspace = game:GetService("Workspace")

local npc = Workspace.NPC
local player = Workspace.Player
local wall = Workspace.Wall

local function canSeePlayer()
	local ray = Ray.new(npc.Position, (player.Position - npc.Position).Unit * 50)
	local part, position = Workspace:FindPartOnRayWithIgnoreList(ray, {npc})

if part == player then
		return true
	else
		return false
	end
end

local function damagePlayer()
	if player:FindFirstChild("Humanoid") then
		player.Humanoid.Health = player.Humanoid.Health - 10
	end
end

RunService.Heartbeat:Connect(function()
	if canSeePlayer() then
		damagePlayer()
	end
end)