local grappling = false
local createdInstances
local oldHipHeight
local oldVel

local function SetHipHeight(num)
	local hum =  plr.Character.Humanoid
	oldHipHeight = hum.HipHeight
	hum.HipHeight = num
end

local function Stop()
	grappling = false
	rs.RemoteEvent:FireServer("GrappleFinished")
	table.foreach(createdInstances,function(_,v) v:Destroy() end)
	SetHipHeight(oldHipHeight)
	plr.Character.PrimaryPart.Velocity = Vector3.new(0,0,0)
end

local function CreateInstances(att1,pos)
	local att0 = Instance.new("Attachment")
	local ball = script.Ball:Clone()
	ball.Position = pos
	local ap = script.AlignPosition:Clone()
	ap.Attachment0 = att0
	ap.Attachment1 = att1
	ball.Parent = plr.Character
	att0.Parent = plr.Character.PrimaryPart
	ap.Parent = plr.Character
	createdInstances = {att0, ap, ball = ball}
end

local function CheckIfStuck(newVel)
	if newVel:isClose(oldVel,0.001) then
		Stop()
		return
	end
	self.oldVel = newVel
end

game:GetService("UserInputService").InputBegan:Connect(function(i,g)
	if i.KeyCode == Enum.KeyCode.F and not g then
		local mouseh = mouse.Hit
		local att1, p = rs.RemoteFunction:InvokeServer("Grappled",mouseh)
		if att1 and p then
			grappling = true
			SetHipHeight(0)
			CreateInstances(att1,p)
			createdInstances.ball.Touched:Connect(function(h)
				if game.Players:GetPlayerFromCharacter(h.Parent) == plr then
					Stop()
				end
			end)
			oldVel = plr.Character.PrimaryPart.Velocity
			while grappling and game:GetService("RunService").Heartbeat:Wait() do
				grapple:CheckIfStuck(plr.Character.PrimaryPart.Velocity)
			end
		end
	end
end)