local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")

local LP = Players.LocalPlayer
local KEY = Enum.KeyCode.C
local DIST = 7

local enabled = false
local hb
local cache = {}
local lastCF

local function hrp(char)
    return char and char:FindFirstChild("HumanoidRootPart")
end

local function getMyHRP()
    local c = LP.Character
    return c and hrp(c)
end

local function prep(char)
    for _, v in ipairs(char:GetDescendants()) do
        if v:IsA("BasePart") then
            v.CanCollide = false
            v.Massless = true
        end
    end
end

local function track(plr)
    local function onChar(c)
        prep(c)
        cache[plr] = c
    end
    if plr.Character then onChar(plr.Character) end
    plr.CharacterAdded:Connect(onChar)
end

for _, p in ipairs(Players:GetPlayers()) do
    if p ~= LP then track(p) end
end

Players.PlayerAdded:Connect(function(p)
    if p ~= LP then track(p) end
end)

local function start()
    hb = RunService.Heartbeat:Connect(function()
        if not enabled then return end

        local myHRP = getMyHRP()
        if not myHRP then return end

        local targetCF = myHRP.CFrame + myHRP.CFrame.LookVector * DIST
        lastCF = targetCF

        for _, char in pairs(cache) do
            local h = hrp(char)
            if h then
                h.AssemblyLinearVelocity = Vector3.zero
                h.AssemblyAngularVelocity = Vector3.zero
                h.CFrame = targetCF
            end
        end
    end)
end

local function stop()
    if hb then
        hb:Disconnect()
        hb = nil
    end
end

UserInputService.InputBegan:Connect(function(i, gpe)
    if gpe then return end
    if i.KeyCode == KEY then
        enabled = not enabled
        if enabled then
            start()
        else
            stop()
        end
    end
end)

LP.CharacterAdded:Connect(function()
    if enabled and lastCF then
        task.wait()
        start()
    end
end)