ComputronicsCamera

local component = require('component')
local unicode = require('unicode')
local term = require('term')
local camera = component.camera
local gpu = component.gpu
local color = {0x000000, 0xAA00FF, 0xFF00FF, 0x0000FF, 0x00DDDD, 0x22FF00, 0xDDDD00, 0xFFAA00, 0xFF0000}
local array = ' -:!=░▒▓█'

function render(size, side)
  if side == 'up' then
    look = camera.distanceUp
  elseif side == 'down' then
    look = camera.distanceDown
  else
    look = camera.distance
  end
  term.clear()
  term.setCursor(1,1)
  local yp = 1
  for j = -1, 1, size do
    for i = 1, -1, -size do
      local d = look(i, 0-j)
      local a = 1
      if d>0 then a = 2+(8-math.min(8, (d/1.2))) end
      gpu.setForeground(color[math.floor(a)])
      term.write(unicode.sub(array, a, a)..unicode.sub(array, a, a))
    end
    yp=yp+1
    term.setCursor(1,yp)
  end
  gpu.setForeground(0xFFFFFF)
end

tArgs = {...}

if tArgs[1] == nil then
  tArgs[1] = 0.14
elseif tArgs[2] == nil then
  tArgs[2] = 'front'
end

render(tArgs[1], tArgs[2])