Animation script not working on Player in Roblox studio

Question

I tried making a crouch animation that plays when you press left ctrl on the keyboard. I was expecting it to work, but it doesn't.The animation is for the player. And yes, it is an r15 animation. Any help is appreciated!

So I am trying to make it so when you press left control, a specific animation plays, but it is not working and it keeps getting me an error: "Attempt to index nil with WaitForChild". I tried different things and even if it doesn't give me an error, the script is still not working. It is a LocalScript inside of StarterPlayerScripts and any help would be appreciated. Maybe it's something easy to fix but I am a beginner and I really don't know what to do.

local uis = game:GetService("UserInputService")
local player = game.Players.LocalPlayer
local character = player.Character
local humanoid = character:WaitForChild("Humanoid")
local animation = script.Animation
local animationtrack = animation:LoadAnimation(animation)
uis.InputBegan:Connect(function(input)
    if input.KeyCode == Enum.KeyCode.LeftControl then
        animation:Play()
    end
end)

ItorYmovId · Accepted Answer · 2023-03-20 00:42:59Z

0

try publishing the animation to the marketplace and using the id, i had a similar issue like this before (you don't have to make the animation on sale)

edited Mar 20, 2023 at 0:42

answered Mar 20, 2023 at 0:42

ItorYmovId

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Comments

unknown · Accepted Answer · 2025-08-12 21:01:25Z

The correct way to load animations is using the Humanoid animator, so it would be Humanoid.Animator:LoadAnimation(youranimation)

Example:

local UserInputService = game:GetService("UserInputService")

local Player = game.Players.LocalPlayer
local Character = Player.Character or Player.CharacterAdded:Wait()
local Humanoid = Character:WaitForChild("Humanoid")
local Animator = Humanoid.Animator

local Animation = script.Animation
local AnimationTrack = Animator:LoadAnimation(Animation)

UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if gameProcessed then return end -- here we ensure this doesn't trigger if the player is typing in the chat
    if input.KeyCode == Enum.KeyCode.LeftControl then
            AnimationTrack:Play()
    end
end)

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