MayaTheShy/opus-apps
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screen saver(s)

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This commit is contained in:
kepler155c@gmail.com
2019-11-02 12:25:00 -06:00
parent e1d05da20f
commit 4ce86a9e5a
10 changed files with 148 additions and 5 deletions
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4
secure/autorun/lock.lua
View File

@@ -6,6 +6,10 @@ local kernel = _G.kernel
local keyboard = device.keyboard
local multishell = _ENV.multishell
if not multishell then
return
end
local config = Config.load('secure', {
enabled = false,
timeout = 60,

4
secure/autorun/startup.lua
View File

@@ -1,4 +0,0 @@
local fs = _G.fs
-- add a System setup tab
fs.mount('sys/apps/system/secure.lua', 'linkfs', 'packages/secure/system/secure.lua')

1
secure/etc/fstab Normal file
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@@ -0,0 +1 @@
sys/apps/system/secure.lua linkfs packages/secure/system/secure.lua

128
secure/saver.lua
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@@ -1,128 +0,0 @@
--(c) 2013 Felix Maxwell
--License: CC BY-SA 3.0
--http://www.computercraft.info/forums2/index.php?/topic/12239-100-screensavers-game-of-life-and-matrix/
-- modified for use in Opus
local fps = 4 --Determines how long the program will wait between each tick
local char = "\127" --Live cells will look like this
local colors = _G.colors
local term = _G.term
local function randomColor()
return 2 ^ math.random(0, 14)
end
local function printCharAt( monitor, x, y, ch )
monitor.setCursorPos( x, y )
monitor.write( ch )
end
local function getNumNeighborhood( grid, x, y )
local neighbors = 0
if x > 1 then
if y > 1 then
if grid[x-1][y-1] == char then neighbors = neighbors + 1 end
end
if grid[x-1][y] == char then neighbors = neighbors + 1 end
if y < #grid[x] then
if grid[x-1][y+1] == char then neighbors = neighbors + 1 end
end
end
if y > 1 then
if grid[x][y-1] == char then neighbors = neighbors + 1 end
end
if y < #grid[x] then
if grid[x][y+1] == char then neighbors = neighbors + 1 end
end
if x < #grid then
if y > 1 then
if grid[x+1][y-1] == char then neighbors = neighbors + 1 end
end
if grid[x+1][y] == char then neighbors = neighbors + 1 end
if y < #grid then
if grid[x+1][y+1] == char then neighbors = neighbors + 1 end
end
end
return neighbors
end
local function lifeOrDeath( cur, neighbors )
if neighbors < 2 then
return " "
elseif neighbors > 3 then
return " "
elseif neighbors == 3 then
return char
else
return cur
end
end
local function tick( monitor, grid )
local retGrid = {}
for x=1,#grid do
retGrid[x] = {}
for y=1,#grid[x] do
local num = getNumNeighborhood( grid, x, y )
retGrid[x][y] = lifeOrDeath( grid[x][y], num )
if retGrid[x][y] ~= grid[x][y] then
printCharAt( monitor, x, y, retGrid[x][y] )
end
end
end
return retGrid
end
local function setup( w, h )
local grid = {}
for i=1,w do
grid[i] = {}
for o=1,h do
if math.random(1, 5) == 1 then
grid[i][o] = char
else
grid[i][o] = " "
end
end
end
return grid
end
local function run()
local monitor = term.current()
if monitor.isColor() then
monitor.setTextColor(colors.lime)
monitor.setBackgroundColor(colors.black)
end
local w, h = monitor.getSize()
local grid
local delay = 1/fps
local timerId = os.startTimer(delay)
local reset = 0
while true do
local e, id = os.pullEvent()
if e == 'key' or e == 'char' or e == 'mouse_click' then
break
end
if e == 'timer' and id == timerId then
if reset == 0 then
reset = 300
monitor.setTextColor(randomColor())
grid = setup(w, h)
monitor.clear()
end
reset = reset - 1
grid = tick( monitor, grid )
timerId = os.startTimer(delay)
end
end
end
run()
term.setCursorPos(1, 1)
term.clear()