Attempt to compare number < instance?

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#1 

function onTouch(hit, bullet)
		if hit.Parent:findFirstChild("Zombie") then
			if hit.Parent:findFirstChild("Zombie").Health > 0 then
end
end
end

I get this error when trying to compare the humanoid health > 0 → 

 Workspace.matt1020304050.control:261: attempt to compare number < Instance  -  Client - control:261
#2

Is Zombie a Humanoid? and Is there an Instance called Health in Zombie?

#3

It is because you are trying to access the “Health” variable outside the humanoid.
There is a script called “Health” inside rigs so that is why you are getting that error.

2 Likes
#4

Yes I’m trying to access the health property via script. I don’t recall this ever being an issue in the past? How do I do this without error?

#5

if hit.Parent:FindFirstChild("Zombie"):FindFirstChildOfClass("Humanoid").Health

#6

I don’t get it? “Zombie” in my case is the name of the humanoid.

#7

first of all
use FindFirstChild instead of findFirstChild cuz roblos deprecated the one with camelCase

second
you’re doing Zombie:FindFirstChild("Health")
do Zombie:FindFirstChildOfClass("Humanoid").Health.

#8

‘’’
function onTouch(hit, bullet)
if hit.Parent:findFirstChild(“Zombie”) then
if hit.Parent:findFirstChild(“Zombie”).Humanoid.Health > 0 then
end
end
end
‘’’

#9

I’m not doing Zombie:FindFirstChild(“Health”)

I’m doing
hit.Parent:findFirstChild(“Zombie”)

And then I’m accessing the health property after?

I get the purpose of findfirstchildofclass, but in my case this wont change anything? It’s just another way of writing it.

#10

ok but the Health script shouldn’t be parented to humanoid
it should be parented to the model

#11

This is a script in a gun I’m building. I’m just trying to find an answer to what my error is.

#12

can you do print(type(Zombie))?

#13

can you maybe show what the target the gun detects looks like in explorer?

#14

Hey try to do this instead:

if hit.Parent:findFirstChild(“Zombie”).Health.Value > 0 then

I assume the Health that you are trying to access is a value object.

#15

Can you also try hit.Parent:FindFirstChildOfClass("Humanoid").Health instead?

#16 
function onTouch(hit, bullet)
	if hit.Parent.Name == "Zombie" and hit.Parent:FindFirstChild("Humanoid").Health > 0 then
	end
end

function onTouch(hit, bullet)
    local Hit = hit.Parent
    if Hit.Name == "Zombie" then
        local Hum = Hit:FindFirstChild("Humanoid")
        if Hum.Health > 0 then
        end
    end
end

function onTouch(hit, bullet)
	local Hit = hit.Parent
	if Hit.Name == "Zombie" then
		if Hit.Humanoid.Health > 0 then
		end
	end
end

local db = true
function onTouch(hit, bullet)
	if db then
		local Hit = hit.Parent
		if Hit.Name == "Zombie" then db = false
			local Hum = Hit:FindFirstChild("Humanoid")
			if Hum and Hum.Health > 0 then
				Hum.Health -= 10
                task.wait(0.33)
			end	db = true
		end
	end
end

pick one …

#17

I figured out the issue. I was doing

if hit.Parent:findFirstChild("Zombie") then

And the bullet was hitting a part in the workspace, and the workspace contains a model or humanoid or something named “Zombie”

#18

Zombie is the name of the NPC … you will not find that within hit. It is the hits name. Once you know that is Zombie, you also know Humanoid is within that.

#19 
local debounce
local function onTouch(hit, bullet)
 local character = hit.Parent
local humanoid = character:FindFirstChild("Humanoid")
if debounce and not (character.Name == "Zombie" or humanoid) then
return
end
debounce = true
humanoid:TakeDamage(10)
task.wait(0.33)
debounce = false
end```
#20

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