platform.apilevel = '2.4'
time=0
screen1 = {}
screen2 = {}
screen3 = {}
screenlist = {}
screencount = 0
w=platform.window:width()
h=platform.window:height()
pallet = {}
plasma = {}
function on.paint(gc)
    timer.start(0.01)
      time=timer.getMilliSecCounter()/10
    local x = 0
    local y=0

    while (x<w) do
    while (y<h) do
    tempcol = math.floor((plasma[x][y]+ time) %256)
    color_r = math.floor(pallet[tempcol].r)
    color_g = math.floor(pallet[tempcol].g)
    color_b = math.floor(pallet[tempcol].b)

    gc:setColorRGB(color_r,color_g,color_b)
     gc:fillRect(x,y,5,5)
       y = y +5
    end
    x=x+5
    y=0
    end
        screencount = screencount +1
         if (screencount >2) then
             screencount = 0
         end
   time=math.random(255)

  end


 function dist(a,b,c,d)
    return math.sqrt(((a - c) * (a - c) + (b - d) * (b - d)))
    end

  function on.timer()
  time  = timer.getMilliSecCounter()/1000
  platform.window:invalidate()
  end


  function on.construction()
  r=0
  g=0
  b=0
  for i=0,256 do
  pallet[i]={r=math.floor(128.0 + 128 * math.sin(3.1415 * i/ 16.0)),g=math.floor(128.0 + 128 * math.sin(3.1415 * i / 128.0)),b=0}
  end

  for a=0,w do
  plasma[a] = {}
  for b=0,h do
  plasma[a][b] = math.floor(
                128.0 + (128.0 * math.sin(a / 16.0))
              + 128.0 + (128.0 * math.sin(b / 16.0))
          ) /2
   end
   end



  end