property pSprite, pDirection, pWaitTime, pOffset, pTurnPnt

on define me, tsprite, tCount 
  tDirection = #left
  if ((tCount mod 2) = 1) then
    tDirection = #right
  end if
  pSprite = tsprite
  pOffset = [0, 0]
  pTurnPnt = 0
  pDirection = tDirection
  me.reset()
  return TRUE
end

on reset me 
  tmodel = ["car2", "car_b2", "car_c2"].getAt(random(3))
  pSprite.castNum = getmemnum(tmodel)
  if (pDirection = #left) then
    pSprite.flipH = 1
    pSprite.loc = point(732, 475)
    pOffset = [-2, -1]
    pTurnPnt = 488
  else
    pSprite.flipH = 0
    pSprite.loc = point(213, 507)
    pOffset = [2, -1]
    pTurnPnt = 487
  end if
  pSprite.flipH = not pSprite.flipH
  pSprite.width = pSprite.member.width
  pSprite.height = pSprite.member.height
  if random(10) < 6 then
    pSprite.ink = 41
    pSprite.backColor = (random(150) + 20)
  else
    pSprite.ink = 36
    pSprite.backColor = 0
  end if
  pWaitTime = random(150)
end

on update me 
  pWaitTime = (pWaitTime - 1)
  if pWaitTime > 0 then
    return FALSE
  end if
  pSprite.loc = (pSprite.loc + pOffset)
  if (pSprite.locH = pTurnPnt) then
    pOffset.setAt(2, -pOffset.getAt(2))
    tMemName = pSprite.member.name
    tDirNum = integer(tMemName.getProp(#char, length(tMemName)))
    tDirNum = (not (tDirNum - 1) + 1)
    tMemName = tMemName.getProp(#char, 1, (length(tMemName) - 1)) & tDirNum
    pSprite.castNum = getmemnum(tMemName)
    pSprite.width = pSprite.member.width
    pSprite.height = pSprite.member.height
  end if
  if (pDirection = #left) and pSprite.locV > 510 or (pDirection = #right) and pSprite.locH > pTurnPnt and pSprite.locV > 400 then
    me.reset()
  end if
end