Still and Flowing water! (Tpt remade 1.0b concept)

local still = elements.allocate("TPT" , "STLW")
 elements.element(still, elements.element(elements.DEFAULT_PT_WATR))
 elements.property(still, "Name" , "STWTR")
 elements.property(still, "Description" , "Still water.")
 elements.property(still, "HighTemperature", 10001)
 elements.property(elem.TPT_PT_STLW, "Update",
 function(i,x,y,s,nt) --1
  if math.sqrt(math.pow(sim.partProperty(i, "vx"),2)+math.pow(sim.partProperty(i, "vy"),2)) > 0.5 then --2
   sim.partKill(i)
   end --2
  end --1
) --*1

local flow = elements.allocate("TPT" , "FWLW")
 elements.element(flow, elements.element(elements.DEFAULT_PT_WATR))
 elements.property(flow, "Name" , "FLWTR")
 elements.property(flow, "Description" , "Flowing water.")
 elements.property(flow, "HighTemperature", 10001)
 elements.property(elem.TPT_PT_FWLW, "Update",
 function(i,x,y,s,nt) --1
  if math.random(1,2) == 1 then --2
   if math.sqrt(math.pow(sim.partProperty(i, "vx"),2)+math.pow(sim.partProperty(i, "vy"),2)) < 0.1 then --3
   sim.partKill(i)
   end --3
  end --2
 end --1