sisiftbVI for LeKiwiOriGinal

m = peripheral.wrap("left")

m.setTextScale(0.5)
x,y = m.getSize()
print(x..":"..y)

iter = 0
text = "<====8"
items = {}
stars = {}
starsNbr = 150

function registerStars()
 stars = {}
 for i=1,starsNbr do
  toAdd = {}
  toAdd["x"] = math.random(1,x)
  toAdd["y"] = math.random(1,y)
  table.insert(stars,toAdd)
 end
end

function forwardStars()
 for k,v in pairs(stars) do
  stars[k]["x"] = stars[k]["x"]-1
 end
 for i=1,10 do
  toAdd = {}
  toAdd["x"] = x
  toAdd["y"] = math.random(1,y)
  if math.random(1,100) > 90 then table.insert(stars) end
 end
end

function drawStars()
 for k,v in pairs(stars) do
  m.setCursorPos(v["x"],v["y"])
  if math.random(1,100) > 70 then m.setTextColor(colors.red)
  end
  m.write(".")
 end
end

function redraw()
 m.clear()
 m.setTextColor(colors.gray)
 drawStars()
 m.setTextColor(colors.lightGray)
 for k,v in pairs(items) do
  items[k]["x"] = v["x"]-1
  m.setCurorPos(v["x"],v["y"])
  m.write(text)
  if v["x"] < 0 then table.remove(items,k) end
 end
end

function addPlot()
 h = math.random(1,y)
 add = {}
 add["x"] = x
 add["y"] = h
 table.insert(items,add)
end

registerStars()
while true do
 iter = iter + 1
 redraw()
 os.sleep(0.05)
 if iter % 14 == 0 then addPlot() end
 if iter % 20 == 0 then forwardStars() end
end