18 lines
357 B
Lua
18 lines
357 B
Lua
function sierpinski(depth)
|
|
lines = {}
|
|
lines[1] = '*'
|
|
|
|
for i = 2, depth+1 do
|
|
sp = string.rep(' ', 2^(i-2))
|
|
tmp = {}
|
|
for idx, line in ipairs(lines) do
|
|
tmp[idx] = sp .. line .. sp
|
|
tmp[idx+#lines] = line .. ' ' .. line
|
|
end
|
|
lines = tmp
|
|
end
|
|
return table.concat(lines, '\n')
|
|
end
|
|
|
|
print(sierpinski(4))
|