Click Drag In roblox

local player = game.Players.LocalPlayer
local mouse = player:GetMouse()
local down
local mtarget

clickmoveon = true

function clickObj()
if mouse.Target ~= nil then
mtarget = mouse.Target
down = true
mouse.TargetFilter = mtarget
end
end
mouse.Button1Down:connect(clickObj)

function mouseMove()
if down and mtarget then
local posX,posY,posZ = mouse.hit.X, mouse.hit.Y, mouse.hit.Z
if clickmoveon then
mtarget.Position = Vector3.new(posX,posY,posZ)
end
end
end

mouse.Move:connect(mouseMove)

function mouseDown()
down = false
mouse.TargetFilter = nil
end

mouse.Button1Up:connect(mouseDown)