cameraX4

local component = require('component')
local term = require('term')
local camera = component.camera
local gpu = component.gpu

local color = {
  0x000000,
  0x111111,
  0x222222,
  0x333333,
  0x444444,
  0x555555,
  0x666666,
  0x777777,
  0x000040,
  0x000080,
  0x002480,
  0x0000BF,
  0x0024BF,
  0x002400,
  0x004900,
  0x006D00,
  0x009200,
  0x00B600,
  0x33DB00,
  0x99FF00,
  0xCCFF00,
  0xFFDB00,
  0xFFB600,
  0xFF9200,
  0xFF6D00,
  0xFF4900,
  0xFF2400,
  0xFF0000
}

function render(size, zoom, fog, side) -- возвращает картинку и расстояние до первого блока напротив камеры
  local tbl = {}
  local pixel, d
  if not fog then
    fog = 1.2
  end
  if side == 0 then
    look = camera.distanceDown
  elseif side == 1 then
    look = camera.distanceUp
  else
    look = camera.distance
  end
  local yp = 1
  for j = -zoom, zoom, size do
    tbl[yp] = {}
    for i = zoom, -zoom, -size do
      d = look(i, 0-j)
      pixel = 1
      if d > 0 then
        pixel = 2+((#color-1)-math.min(#color-1, (d/fog)))
      end
      table.insert(tbl[yp], color[math.floor(pixel)])
    end
    yp = yp + 1
  end
  return tbl, look(0, 0)
end

local function printX4(data)
  term.clear()
  for i = 1, #data, 2 do
    for j = 1, #data[i] do
      gpu.setBackground(data[i][j])
      gpu.setForeground(data[i+1][j])
      if i == 1 then
        gpu.set(j, i, '-')
      else
        gpu.set(j, i-(i/2), '-')
      end
    end
  end
end

local fgrnd = gpu.getForeground()
local bgrnd = gpu.getBackground()
printX4(render(0.039, 1, 0.9))
gpu.setForeground(fgrnd)
gpu.setBackground(bgrnd)