movement.lua

local LocalEntity = require(game:GetService("ReplicatedStorage").LocalEntity)
local UIS = game:GetService("UserInputService")
local Camera = workspace.CurrentCamera

_G.Movement = _G.Movement or {
    hooked = false,
    Fly = false,
    Noclip = false,
    NoFall = false,
    FlySpeed = 1.5,
    NoclipSpeed = 1 / 1.25
}

if _G.Movement.hooked then
    return
end
_G.Movement.hooked = true

local old
old = hookfunction(LocalEntity, function(state, env, dt)
    if not state then
        return old(state, env, dt)
    end

    local inFluid = state.inWater
                    or state.inLava

    local mv = state.MoveDirection
        
    if _G.Movement.NoFall and not inFluid then
        state.FallDistance = nil
    end

    if _G.Movement.Fly then
    if not inFluid then
        state.FallDistance = nil
    end

    if mv.Magnitude > 0 then
        state.Motion = mv.Unit * _G.Movement.FlySpeed
    else
        state.Motion = Vector3.zero
            end
            
    elseif _G.Movement.Noclip then
    if not inFluid then
        state.FallDistance = nil
    end

    if mv.Magnitude > 0 then
        state.Pos += mv.Unit * _G.Movement.NoclipSpeed
    end

    state.Motion = Vector3.zero
        end

    return old(state, env, dt)
end)

local speedMul = UIS.TouchEnabled and 1.5 or 1
state.Motion = mv.Unit * _G.Movement.FlySpeed * speedMul