11

--m= peripheral.wrap('left')
--term.redirect(m)
term.setBackgroundColor(8)
function addnow(x,y,colorr)
   for i=1,#snow do
      if (snow[i]['x'] == x and snow[i]['y'] == y) then
         return
      end
   end
   snow[#snow+1]= {}
   snow[#snow]['x']= x
   snow[#snow]['y']= 1
   if (colorr == nil) then snow[#snow]['color']= randomColor() else snow[#snow]['color']= colorr end
end

function snowupdate()
   for i=#snow,1,-1 do
      if (snow[i]['y'] > Y) then  table.remove(snow,i) end
   end
   for i=1,#snow do
      q= math.random(1,5)
      if (q == 3) then snow[i]['y']= snow[i]['y']+1 end
      q= math.random(1,10)
      if (q == 5) then qq= math.random(1,5) if (qq == 3) then snow[i]['x']= snow[i]['x']+1 else snow[i]['x']= snow[i]['x']-1 end end
      q= math.random(1,20)
      if (q == 5) then snow[i]['color']= randomColor() end
   end
end

function draw()
   term.clear()
   q= math.random(1,4000)
   if (q == 1) then term.setBackgroundColor(randomColor()) end
   for i=1,#snow do
      term.setCursorPos(snow[i]['x'],snow[i]['y'])
      term.setTextColor(snow[i]['color'])
      write('X')
   end
end

function randomColor()
   x= math.random(1,#color)
   return x
end
color= {}
for k,v in pairs(colors) do
   color[#color+1]= v
end
snow= {}
X,Y= term.getSize()
while true do
   x= math.random(1,X)
   addnow(x,1)
   draw()
   snowupdate()
   sleep(0)
end