View difference between Paste ID: RpfK4aHf and eqa2mQZQ

 local scr_x, scr_y = term.getSize()
 
 local doit = function(move)
   if not move then move = 0 end
   local res1,res2
   for a = 1, scr_y do
     for b = 1, scr_x do
       local x = b+math.floor(scr_x/2)
       local y = a-math.ceil(scr_y/2)
       res1 = math.abs( math.floor(math.sin((x/7)+move)*6) - y ) <= 2
       term.setCursorPos(b,a)
       if res1 then
         term.blit(" ","7","7")
       else
         term.write(" ")
       end
       res2 = math.abs( math.floor(math.cos((x/4)+(move*4))*3) - y+2 ) <= 1
       term.setCursorPos(b,a)
       if res2 then
         term.blit(" ","8","8")
       else
         if not res1 then
           if (x % 2 == 0) and ((y+math.floor(move*-10)+(x % 5)) % 5 <= 1) then
             term.blit("|","7","f")
           else
             term.write(" ")
           end
         end
       end
     end
   end
 end
 
 while true do
   for a = 1, 900 do
     --term.clear()
     doit(a/10)
     sleep(0.05)
   end
 end