Zombies chase only one person

Help and Feedback Scripting Support
#22

I am sorry for the late response, I was testing your code with my friend. Zombie works well, but it still chases the first person, who joined the server and I can’t even understand why does it happen.

#23

Yeah I’m sorry I made a mistake. It’s not constantly searching for the closest torso.

local zombie = script.Parent
local zombieHumanoid = zombie.Humanoid
local zombieTorso = zombie.Torso
local distance = 200
local target = nil

local function FindNearestTorso()
	local aggroDistance = distance
	for i, v in pairs(game.Workspace:GetChildren()) do
		if v:FindFirstChild("Humanoid") and v ~= zombie then
			if target == nil then
				if (v.PrimaryPart.Position - zombieTorso.Position).Magnitude < aggroDistance then 
					target = v.PrimaryPart
				end
			else
				if (target.Position - zombieTorso.Position).Magnitude > (v.PrimaryPart.Position - zombieTorso.Position).Magnitude then
					target = v.PrimaryPart
				end
			end
		end
	end
end

while wait() do
    FindNearestTorso()
	if target ~= nil then
		wait(math.random(1,5))
		zombieHumanoid:MoveTo(target.Position, target)
	end
end

This should work, however it’s pretty expensive when it comes to performance so you might wanna create a folder in the workspace and put all the characters that can be chased by the zombie, then instead of doing game.Workspace:GetChildren() do game.Workspace.FolderNameHere:GetChildren() and use in ipairs instead of in pairs.

1 Like
#24 
local zombie = script.Parent
local zombieHumanoid = zombie.Humanoid
local zombieTorso = zombie.Torso
local distance = 200

local function FindNearestTorso()
	local closest
	local closestPos = 0
	for _,v in pairs(game.Workspace:GetChildren()) do
		if v:FindFirstChild("Humanoid") and v ~= zombie then
			if closest == nil then
				closest = v
				closestPos = (v.HumanoidRootPart.Position - zombieTorso.Position).Magnitude
			else
				local dis = (v.HumanoidRootPart.Position - zombieTorso.Position).Magnitude
				if closestPos > dis then
					closest = v
					closestPos = dis
				end
			end
		end
	end
end

while wait() do
	target = FindNearestTorso()
	if target then
		repeat
			wait(math.random(1,5))
			zombieHumanoid:MoveTo(target.Position, target)
		until (target.HumanoidRootPart.Position - zombieTorso.Position).Magnitude < distance or target == nil
	end
end
1 Like
#25

Much thanks! Zombie had some strange behaviour while deciding who will be his target, so I’ve made some additions and it now works as I need him to.

Also much thanks for advice about a folder for players and using ipairs, I will do it as soon as possible!

1 Like
#26

This script works as well, much thanks!

1 Like
#27

No problem, glad I could help!

1 Like
#28

Nevertheless, the script didn’t work so well. Zombies were just staying still after character’s death or they were focusing only one character again. So I’ve spent several hours in order to figure out what is the essence of this strange bug. And, well, I did it through several thousand tests lol
So the fully working code looks like this

local zombie = script.Parent
local zombieHumanoid = zombie.Humanoid
local zombieTorso = zombie.Torso
local distance = 300
local target = nil

function FindNearestTorso()
	local aggroDistance = distance
	for i, v in pairs(game.Workspace:GetChildren()) do
		if v:FindFirstChild("Humanoid") and v ~= zombie then
			if target == nil then
				if v:FindFirstChild("LowerTorso") and (v.LowerTorso.Position - zombieTorso.Position).Magnitude < aggroDistance then 
					target = v.LowerTorso
				end
			else
				if v:FindFirstChild("LowerTorso") and (v.LowerTorso.Position - zombieTorso.Position).Magnitude < aggroDistance then
					target = v.LowerTorso
					aggroDistance = (v.LowerTorso.Position - zombieTorso.Position).magnitude
				end

				if target ~= nil and target.Parent.Humanoid.Health <= 0 then
					target = nil
					break
				end
			end
		end
	end
	return target
end

while wait() do
	local human = FindNearestTorso()
	if human ~= nil and (human.Position - zombieTorso.Position).magnitude < distance then
		zombieHumanoid:MoveTo(human.Position, human)	
	end
end

Upd:
I do remember about HumanoidRootPart, but I am using LowerTorso for 2 reasons:

  1. This is due to specifics of other scripts;
  2. In my game only R15 avatars allowed.
#29

Oh yes, I know why. I didn’t make it so it searched for a new target when the character the zombie is chasing dies. Good job with fixing it! As I told you I didn’t test it in Studio so I was sure there would’ve been some bug.

1 Like
#30

Anyway your code was very close to what I needed. I appreciate your help and advice