Zona segura

function WalkingOn(connected)
 if not connected.Parent:FindFirstChild("Humanoid") then return end
 if connected.Parent:FindFirstChild("ForceField") then return end
 Instance.new("ForceField", connected.Parent)
end
script.Parent.Touched:connect(WalkingOn)

function DoneWalkingOn(connected)
 if not connected.Parent:FindFirstChild("Humanoid") then return end
 if connected.Parent:FindFirstChild("ForceField") then
  connected.Parent.ForceField:Destroy()
 end
end
script.Parent.TouchEnded:connect(DoneWalkingOn)