local player = game:GetService("Players").LocalPlayer -- :GetService() is optional, if Players is renamed, this will still get Players, unlike game.Players
local mouse = player:GetMouse() --GetMouse is deprecated but works and is more simpler than UserInputService in my opinion

function wave()
    coroutine.resume(coroutine.create(function()
        local pos = mouse.Hit -- CFrame, the target for part to move towards
        local part = Instance.new("Part")
        part.CFrame = player.Character.Torso.CFrame
        part.Anchored = true -- Object is stationary, can only be moved when Position or CFrame is modified
        part.CanCollide = false -- Objects can go through the part
        part.Transparency = 0
        part.Size = Vector3.new(1, 1, 1)
        part.Parent = workspace
        for i = 1, 20 do
            wait()
            print(i)
            part.Touched:Connect(function(hit)
                    for i,v in pairs(hit.Parent:GetChildren()) do
                        if v:IsA("Humanoid") == true then
                            hit.Parent:FindFirstChild("Humanoid"):Destroy()
                    end
                end
            end)
            part.CFrame = part.CFrame:lerp(pos, i/20)
            part.Transparency = part.Transparency + .05
            part.Size = part.Size + Vector3.new(2, 2, 2)
        end
        if part.Transparency >= 1 then
            part:Destroy()
        end
    end))
end


mouse.Button1Down:Connect(function() -- Whenever mouse is clicked
    coroutine.resume(coroutine.create(function()
        while wait() do
            wave()
        end
    end))
    -- Write the code now to move the part towards the position 'pos'
end)