AITools

local aiLib = {}
local players = game:GetService("Players")
local params = RaycastParams.new()
params.FilterDescendantsInstances = { workspace.Zombies }
params.FilterType = Enum.RaycastFilterType.Exclude

function aiLib:findNearestPlayersHrp(aiNpc, distOfInt)
	local closestHrp = nil
	local aiNpcHrp = aiNpc:FindFirstChild("HumanoidRootPart")
	for i, v in pairs(players:GetChildren()) do
		local char = v.Character
		if char then
			local hrp = char:FindFirstChild("HumanoidRootPart")
			if hrp and aiNpcHrp then
				local diff = (hrp.Position - aiNpcHrp.Position)
				local dist = diff.Magnitude
				if dist < distOfInt then
					local result = workspace:Raycast(aiNpcHrp.Position,
						diff, params)
					if result and result.Instance.Parent.Name == char.Name then
						print("closest player = ", v.Name)
						distOfInt = dist
						closestHrp = hrp
					end
				end
			end
		end
	end
	return closestHrp
end

return aiLib