85 lines
1.9 KiB
Lua
85 lines
1.9 KiB
Lua
local a=http.get"https://pastebin.com/raw/ujchRSnU"local b=fs.open("blittle","w")b.write(a.readAll())a.close()b.close()
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os.loadAPI "blittle" -- evil but necessary
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local function make_board(w, h)
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local board = {}
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for x = 0, w do
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board[x] = {}
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for z = 0, h do
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local pick = false
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if math.random() < 0.5 then pick = true end
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board[x][z] = pick
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end
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end
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board.width = w
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board.height = h
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return board
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end
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local function wrap(n, max)
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return n % max
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end
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local function get_neighbours(board, x, y, w, h)
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local total = 0
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for dx = -1, 1 do
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for dy = -1, 1 do
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if not (dx == 0 and dy == 0) then
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local thing = 0
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if board[wrap(x + dx, w)][wrap(y + dy, h)] then thing = 1 end
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total = total + thing
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end
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end
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end
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return total
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end
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local function update(board, new_board)
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for x = 0, board.width do
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for y = 0, board.height do
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local alive_now = board[x][y]
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local alive_next
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local neighbours = get_neighbours(board, x, y, board.width, board.height)
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if alive_now then
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alive_next = neighbours == 2 or neighbours == 3
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else
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alive_next = neighbours == 3
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end
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new_board[x][y] = alive_next
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end
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end
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return new_board
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end
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local blterm = blittle.createWindow(term.current(), 1, 1, raww, rawh, false)
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local function draw(board)
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blterm.setVisible(false)
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for x = 0, board.height do
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blterm.setCursorPos(1, x)
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local cols = ""
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for z = 0, board.width do
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local color = colors.black
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if board[z][x] then cols = cols .. "0"
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else cols = cols .. "f" end
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end
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blterm.blit(nil, nil, cols)
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end
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blterm.setVisible(true)
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end
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local w, h = blterm.getSize()
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local b1, b2 = make_board(w, h), make_board(w, h)
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local gens = 0
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while true do
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draw(b1)
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update(b1, b2)
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b1, b2 = b2, b1
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gens = gens + 1
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if gens % 100 == 0 then b1 = make_board(w, h) end
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sleep(0.1)
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end |