1
0
mirror of https://github.com/osmarks/random-stuff synced 2024-12-28 19:10:35 +00:00
random-stuff/computercraft/matrixrain.lua
2023-11-13 19:37:05 +00:00

41 lines
985 B
Lua

local mat = peripheral.wrap "right"
mat.setPaletteColor(colors.black, 0)
mat.setPaletteColor(colors.green, 0x15b01a)
mat.setPaletteColor(colors.lime, 0x01ff07)
mat.setTextScale(0.5)
local w, h = mat.getSize()
local function rchar()
return string.char(math.random(0, 255))
end
local function wrap(x)
return (x - 1) % h + 1
end
local cols = {}
for i = 1, w do
local base = math.random(1, h)
table.insert(cols, { base, base + math.random(1, h - 5) })
end
while true do
for x, col in pairs(cols) do
local start = col[1]
local endp = col[2]
mat.setCursorPos(x, start)
mat.write " "
mat.setCursorPos(x, wrap(endp - 1))
mat.setTextColor(colors.green)
mat.write(rchar())
mat.setTextColor(colors.lime)
mat.setCursorPos(x, endp)
mat.write(rchar())
col[1] = col[1] + 1
col[2] = col[2] + 1
col[1] = wrap(col[1])
col[2] = wrap(col[2])
end
sleep(0.1)
end