Zombies freezing after spawning

Help and Feedback Scripting Support
,
#1

Hello, I am having this issue with my zombies:

robloxapp-20230901-2044448.wmv (2.5 MB)

The zombies are standing still for a short time after spawning in, it is related to the HumanoidRootPart being anchored during the spawning anim, but I need it to be anchored for the cool spawning effect. Any ways to fix other than make it so the HumanoidRootPart stays anchored?

Code:

local pathfindingService = game:GetService("PathfindingService")
local RunService = game:GetService("RunService")
local TweenService = game:GetService("TweenService")
local DebrisService = game:GetService("Debris")

local entity = script.Parent
local humanoid = entity.Humanoid
local defaultWalkSpeed = humanoid.WalkSpeed
local sightDistance = 60
local attackRange = 5
local attackDelay = 1.5
local damage = 15
local attackAnim = humanoid:LoadAnimation(script.Attack)
local deathAnim = humanoid:LoadAnimation(script.Death)
local spawnAnim = humanoid:LoadAnimation(script.Spawn)
local canAttack = true
local canDie = true

entity.HumanoidRootPart:SetNetworkOwner(nil)

local function canSeeTarget(target)
	local origin = entity.HumanoidRootPart.Position
	local direction = (target.HumanoidRootPart.Position - entity.HumanoidRootPart.Position).unit * sightDistance
	local ray = Ray.new(origin, direction)
	
	
	local hit, pos = workspace:FindPartOnRay(ray, workspace.Zombies)
	
	if hit then
		if hit:IsDescendantOf(target) then
			return true
		else
			return false
		end
	end
end

local function findTarget()
	local players = game.Players:GetPlayers()
	local maxDistance = sightDistance
	local nearestTarget
	
	for index, player in pairs(players) do
		if player.Character then
			local target = player.Character
			local distance = (entity.HumanoidRootPart.Position - target.HumanoidRootPart.Position).Magnitude
			
			if distance <= maxDistance and canSeeTarget(target) and target.Humanoid.Health > 0 then
				nearestTarget = target
				maxDistance = distance
			end
		end
	end
	
	return nearestTarget
end

local function getPath(destination)
	local pathParams = {
		["AgentHeight"] = 5, 
		["AgentRadius"] = 2.6,
		["AgentCanJump"] = false
	}
	local path = pathfindingService:CreatePath(pathParams)

path:ComputeAsync(entity.HumanoidRootPart.Position, destination.Position)
	
	return path
end

local function generateSound(folder)
	local randomNumber = Random.new()
	local possibleSounds = folder:GetChildren()
	local randomSound = possibleSounds[randomNumber:NextInteger(1, #possibleSounds)]
	local selectedSound = randomSound:Clone()
	selectedSound.Parent = entity.HumanoidRootPart
	
	return selectedSound
end

local function attack(target)
	local distance = (entity.HumanoidRootPart.Position - target.HumanoidRootPart.Position).Magnitude
	
	if distance <= attackRange and canAttack then
		canAttack = false
		attackAnim:Play()	
		attackAnim:GetMarkerReachedSignal("Attack"):Wait()
		if (entity.HumanoidRootPart.Position - target.HumanoidRootPart.Position).Magnitude <= attackRange then
			target.Humanoid.Health -= damage
		end
		
		attackAnim.Ended:Wait()
		task.wait(attackDelay)
		canAttack = true
	end
end

local function patrol()
	local target = findTarget()
	local attackCo = coroutine.create(attack)
	if target and entity.HumanoidRootPart.Anchored == false then
		coroutine.resume(attackCo, target)
		humanoid:MoveTo(target.HumanoidRootPart.Position)
	end
end

local function death()
	canDie = false
	entity.HumanoidRootPart.Anchored = true
	entity.HumanoidRootPart.Death:Play()
	
	deathAnim:Play()
	deathAnim:GetMarkerReachedSignal("Death"):Wait()
	entity:Destroy()
end

humanoid.Died:Connect(death)

RunService.Heartbeat:Connect(function()
	if humanoid.Health <= 0 and canDie then
		
	elseif entity.HumanoidRootPart.Anchored == false then
		patrol()
		wait(0.01)
	end
end)

local function entitySpawned(property)
	if property == "Parent" then
		
		local forceField = Instance.new("ForceField")
		forceField.Visible = false
		forceField.Parent = entity

		entity.HumanoidRootPart.Anchored = true

		spawnAnim:Play()
		spawnAnim.Ended:Wait()

		entity.HumanoidRootPart.Anchored = false
		forceField:Destroy()
	end
end

entity.Changed:Connect(entitySpawned)
2 Likes
#2

This is your issue;

		entity.HumanoidRootPart.Anchored = true

		spawnAnim:Play()
		spawnAnim.Ended:Wait()

		entity.HumanoidRootPart.Anchored = false

You are anchoring the HumanoidRootPart until the spawn animation ends, which is preventing the NPC from moving until it’s done. Change it to this instead:

entity.HumanoidRootPart.Anchored = false
spawnAnim:Play()
spawnAnim.Ended:Wait()
1 Like
#3

If I do that, then the zombies move during the spawning animation.

1 Like
#4

Can you check to see if you have a window of time at the end of your animation where the NPC stops moving? That may be the issue

1 Like
#5

I know for a fact there is not. After they get un-anchored the zombies act like a static object for about 5 seconds, they can be pushed over and won’t move (but they will still attack.) It’s shown in the video.

1 Like
#6

On the secondline within your entitySpawned function below the if statement, do me a favor and add a print(“test”) line to see if the function is fired as soon as the animation ends. Send me a video with the results

#7

Do you want it here

local function entitySpawned(property)
	if property == "Parent" then
		print("test") --here it is
		local forceField = Instance.new("ForceField")
		forceField.Visible = false
		forceField.Parent = entity

		entity.HumanoidRootPart.Anchored = true

		spawnAnim:Play()
		spawnAnim.Ended:Wait()

		entity.HumanoidRootPart.Anchored = false
		forceField:Destroy()
	end
end

or here

local function entitySpawned(property)
	if property == "Parent" then
		
		local forceField = Instance.new("ForceField")
		forceField.Visible = false
		forceField.Parent = entity

		entity.HumanoidRootPart.Anchored = true

		spawnAnim:Play()
		spawnAnim.Ended:Wait()
        print("test") --here it is

		entity.HumanoidRootPart.Anchored = false
		forceField:Destroy()
	end
end

Cause I am confused on where exactly you want it.

#8

may as well do both and name them differently

#9

It printed both times, and the original video is at the top of my post.

#10

i want to see a new video with the new results after printing, i already know they will both print but i dont know how soon they will. im just using this to narrow down the possible problem

#11

How can I show you the output at the same time then?? I’m using studio’s built-in recording.

#12

repeat what you did in the video you sent at the top of this thread and send me a new video with your output open again. use obs or something of that sort

#14

Here they are


#15

Try adding a IsSpawning variable instead of anchoring.

local IsSpawning = true

Then you can use it on patrol() and entitySpawned().

local function patrol()
	local target = findTarget()
	local attackCo = coroutine.create(attack)
	if target and not IsSpawning then
		coroutine.resume(attackCo, target)
		humanoid:MoveTo(target.HumanoidRootPart.Position)
	end
end

local function entitySpawned(property)
	if property == "Parent" then
		IsSpawning = true
		
		local forceField = Instance.new("ForceField")
		forceField.Visible = false
		forceField.Parent = entity

		spawnAnim:Play()
		spawnAnim.Ended:Wait()

		forceField:Destroy()
		IsSpawning = false
	end
end
1 Like
#16

That’s sort of what I had wanted, but then this is the result (the pink block is the HumanoidRootPart):

1 Like
#17

Try setting the Animation Priority of spawnAnim to Action4

spawnAnim.Priority = Enum.AnimationPriority.Action4
1 Like
#18

No difference, the problems seems to be with the zombie colliding with the ground, but the only thing with CanCollide set to true is the HumanoidRootPart. I avoided this problem by anchoring the HumanoidRootPart, but it seems that makes them act like a static model and fall over for about 5 seconds. I am trying to achieve a spawning animation similar to the one in Guts and Blackpowder on Roblox.

1 Like