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\documentclass{article}
\usepackage[a0paper]{geometry}
\usepackage{luacode}
\usepackage{animate}
\usepackage{tikz}
\usepackage{xcolor}
\usepackage[active, tightpage]{preview}
\PreviewEnvironment{animateinline}
%\PreviewEnvironment{tikzpicture}
\tikzset{%
cellframe/.style={%
minimum size=5mm,%
draw,%
fill=white,%
fill opacity=0%
}%
}
\tikzset{%
alivecell/.style={%
circle,%
inner sep=0pt,%
minimum size=4mm,%
fill=black%
}%
}
\setlength{\PreviewBorder}{5mm}
\begin{document}
\begin{luacode*}
iterations = 36
grid = {{0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 1, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 1, 0, 0, 0},
{0, 0, 0, 1, 1, 1, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0}}
\end{luacode*}
\begin{luacode*}
function evolve(grid)
local temp = {}
local gridsize = #grid
for i = 1, gridsize do
temp[i] = {}
for j = 1, gridsize do
temp[i][j] = 0
end
end
for i = 1, gridsize do
for j = 1, gridsize do
iminus = i - 1
iplus = i + 1
jminus = j - 1
jplus = j + 1
if iminus == 0 then
iminus = gridsize
end
if iplus == gridsize + 1 then
iplus = 1
end
if jminus == 0 then
jminus = gridsize
end
if jplus == gridsize + 1 then
jplus = 1
end
neighbourcount = grid[iminus][jminus] +
grid[iminus][j] +
grid[iminus][jplus] +
grid[i][jminus] +
grid[i][jplus] +
grid[iplus][jminus] +
grid[iplus][j] +
grid[iplus][jplus]
if (grid[i][j] == 1 and (neighbourcount == 2 or neighbourcount == 3)) or (grid[i][j] == 0 and neighbourcount == 3) then
temp[i][j] = 1
else
temp[i][j] = 0
end
end
end
return temp
end
function display(grid)
local gridsize = #grid
for i = 1, gridsize do
for j = 1, gridsize do
tex.sprint([[\node[cellframe] at (]])
tex.sprint((i - 1) * 5)
tex.sprint([[mm,]])
tex.sprint(-((j - 1) * 5))
tex.sprint([[mm){0};]])
if grid[j][i] == 1 then
tex.sprint([[\node[alivecell] at (]])
tex.sprint((i - 1) * 5)
tex.sprint([[mm,]])
tex.sprint(-((j - 1) * 5))
tex.sprint([[mm){1};]])
end
end
end
end
function animate(grid, iterations)
for i = 1, iterations - 1 do
display(grid)
tex.sprint([[\newframe]])
grid = evolve(grid)
end
display(grid)
end
function frames(grid, iterations)
for i = 1, iterations - 1 do
tex.sprint([[\begin{tikzpicture}]])
display(grid)
grid = evolve(grid)
tex.sprint([[\end{tikzpicture}]])
tex.sprint([[\clearpage]])
end
tex.sprint([[\begin{tikzpicture}]])
display(grid)
tex.sprint([[\end{tikzpicture}]])
end
\end{luacode*}
\noindent\begin{animateinline}[autoplay,loop,
begin={\begin{tikzpicture}[scale=1]},
end={\end{tikzpicture}}]{5}
\luadirect{animate(grid, iterations)}
\end{animateinline}
%\noindent\luadirect{frames(grid, iterations)}
\end{document}
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