WallClimbScript

-- Cache common character parts
local character = script.Parent
local humanoid = character:WaitForChild("Humanoid")
local hrp = character:WaitForChild("HumanoidRootPart")
local leftFoot = character:WaitForChild("LeftFoot")
local animateFolder = character:WaitForChild("Animate")
local climbAnimAsset = animateFolder.climb:WaitForChild("ClimbAnim")

-- Load the climbing animation
local climbAnim = humanoid:LoadAnimation(climbAnimAsset)

-- Create raycast parameters once to avoid recreating them every frame
local raycastParams = RaycastParams.new()
raycastParams.FilterDescendantsInstances = {character}  -- ignore the character itself

-- Define constants for climbing behavior
local CLIMB_FORCE = 20        -- upward velocity to simulate climbing
local RAYCAST_DISTANCE = 1.3   -- distance to check for a wall

-- Get RunService to connect to the Heartbeat event
local runService = game:GetService("RunService")

runService.Heartbeat:Connect(function()
    -- Define ray origin and direction based on the left foot and the character's look vector
    local origin = leftFoot.Position
    local direction = hrp.CFrame.LookVector * RAYCAST_DISTANCE

    -- Perform the raycast
    local raycastResult = workspace:Raycast(origin, direction, raycastParams)

    if raycastResult and raycastResult.Instance then
        -- Apply upward force while maintaining current horizontal velocity
        hrp.Velocity = Vector3.new(hrp.Velocity.X, CLIMB_FORCE, hrp.Velocity.Z)

        -- Ensure the humanoid state is set to Climbing
        if humanoid:GetState() ~= Enum.HumanoidStateType.Climbing then
            humanoid:ChangeState(Enum.HumanoidStateType.Climbing)
        end

        -- Play the climbing animation if not already playing
        if not climbAnim.IsPlaying then
            climbAnim:Play()
        end
    else
        -- Stop the climbing animation if no wall is detected
        if climbAnim.IsPlaying then
            climbAnim:Stop()
        end
    end
end)