Platformer

k = 0
local pixels = {}

pixels[1] = {}
pixels[1].x = 1
pixels[1].y = 6
pixels[1].color = colors.green

_cX = 1
_cY = 1
function Render()
  term.setBackgroundColor(colors.black)
  term.clear()
  for i=1, #pixels do
    paintutils.drawPixel(pixels[i].x, pixels[i].y, pixels[i].color)
  end
  paintutils.drawPixel(_cX, _cY, colors.red)
end

function Gameloop()
  ev, key = os.pullEvent("key")
  if key == keys.up then
  _cY = _cY - 1
  elseif key == keys.left then
  _cX = _cX - 1
  elseif key == keys.right then
  _cX = _cX + 1
  end
  Render()
  sleep(0.1)
  Gameloop()
end

function Otherloop()
for i = 1, #pixels do
  if pixels[i].y == _cY+1 and pixels[i].x == _cX then
  k = 1
  else
  k = 0
  end
end
if k == 0 then
_cY = _cY + 1
end
Render()
sleep(0.1)
Otherloop()
end

Render()
parallel.waitForAll(Gameloop(), Otherloop())