PenthingLocal

local player = game.Players.LocalPlayer
local cam = workspace.CurrentCamera
local mouse = player:GetMouse()
local us = game:GetService("UserInputService")
local oldpart = nil
local currentpart = nil
local currentcf = nil
local vel = Vector3.new(0,0,0)
local lastpos = Vector3.new(0,0,0)
local remote = player:WaitForChild("lud")

function subtractcf(a, b)
	local x, y, z, m11, m12, m13, m21, m22, m23, m31, m32, m33 = a:components()
	return CFrame.new(x - b.x, y - b.y, z - b.z, m11, m12, m13, m21, m22, m23, m31, m32, m33);
end

local function multiplyCFrame(a, b)
    local ax, ay, az, a11, a12, a13, a21, a22, a23, a31, a32, a33 = a:components()
    local bx, by, bz, b11, b12, b13, b21, b22, b23, b31, b32, b33 = b:components()
    local x = ax*bx
    local y = ay*by
    local z = az*bz
    local m11 = a11*b11
    local m12 = a12*b12
    local m13 = a13*b13
    local m21 = a21*b21
    local m22 = a22*b22
    local m23 = a23*b23
    local m31 = a31*b31
    local m32 = a32*b32
    local m33 = a33*b33
    return CFrame.new(x, y, z, m11, m12, m13, m21, m22, m23, m31, m32, m33)
end

us.InputBegan:Connect(function(inp)
	if inp.UserInputType == Enum.UserInputType.MouseButton1 then
		local target = mouse.Target
		lastpos = target.Position
		currentcf = cam.CFrame:toObjectSpace(target.CFrame)
		currentpart = target
		remote:FireServer("anchor",currentpart)
	end
end)

us.InputEnded:Connect(function(inp)
	if inp.UserInputType == Enum.UserInputType.MouseButton1 then
		--currentpart.Velocity = Vector3.new(vel.X*20,vel.Y*20,vel.Z*20)
		remote:FireServer("unanchor",currentpart,Vector3.new(vel.X*20,vel.Y*20,vel.Z*20))
		vel = Vector3.new(0,0,0)
		currentpart = nil
		currentcf = nil
		if inp.UserInputType == Enum.UserInputType.Keyboard then
			if inp.KeyCode == Enum.KeyCode.E then
				remote:FireServer("spawnpart")
			end
		end
	end
end)

--

game:GetService("RunService").RenderStepped:Connect(function()
	if currentpart ~= nil and currentcf ~= nil then
		currentpart.CFrame = cam.CFrame * currentcf
		remote:FireServer("update",currentpart,currentpart.CFrame)
		vel = Vector3.new(currentpart.Position.X-lastpos.X,currentpart.Position.Y-lastpos.Y,currentpart.Position.Z-lastpos.Z)
		lastpos = currentpart.Position
	end
	local targ = mouse.Target
	if targ ~= nil and targ.Anchored == false then
		if targ ~= oldpart and targ.Size.X <= 15 and targ.Size.Y <= 15 and targ.Size.Z <= 15 then
			if oldpart ~= nil then
				oldpart.Selec:Destroy()
			end
			local selec = Instance.new("SelectionBox",targ)
			selec.Name = "Selec"
			selec.Adornee = targ
			selec.Color3 = Color3.new(0,0,0)
			selec.LineThickness = 0.025
			oldpart = targ
		elseif targ ~= oldpart and targ.Size.X > 15 and targ.Size.Y > 15 and targ.Size.Z > 15 then
			if oldpart ~= nil then
				oldpart.Selec:Destroy()
				oldpart = nil
			end
		end
	else
		if oldpart ~= nil then
			oldpart.Selec:Destroy()
			oldpart = nil
		end
	end
end)