Add wireworld!
parent
212948b1c4
commit
1ffa545f60
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@ -80,14 +80,6 @@ function love.load(args)
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drawGlider(80, 80)
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end
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local function wrap(n, high)
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n = n % high
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if n < 0 then
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n = n + high
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end
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return n
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end
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local function neighbors(x, y)
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local lowX = x - UNITS
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local highX = x + UNITS
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8
util.lua
8
util.lua
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@ -21,3 +21,11 @@ end
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function round2even(num)
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return 2 * math.floor(num / 2)
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end
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function wrap(n, high)
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n = n % high
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if n < 0 then
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n = n + high
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end
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return n
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end
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@ -0,0 +1,5 @@
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function love.conf(t)
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t.window.highdpi = true
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t.window.vsync = true
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t.window.title = "wireworld"
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end
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@ -0,0 +1,222 @@
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require "util"
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local function initColors()
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local colorbrewer = require("colorbrewer")
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COLORS = colorbrewer.random(4)
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BLACK = { 0, 0, 0, 1 }
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end
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local function initScreen()
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local width, height = love.graphics.getDimensions()
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WIDTH, HEIGHT = round2even(width), round2even(height)
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local color = COLORS[#COLORS]
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color[4] = 0.9
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love.graphics.setBackgroundColor(color)
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end
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local function initFont()
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FONT = love.graphics.newFont(16)
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love.graphics.setFont(FONT)
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FONT_HEIGHT = FONT:getHeight()
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PLAYING_WIDTH = FONT:getWidth("playing")
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PAUSED_WIDTH = FONT:getWidth("paused")
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end
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local function initGrid()
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GRID = {}
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GRID.mt = {}
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setmetatable(GRID, GRID.mt)
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GRID.mt.__index = function(table, key)
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table[key] = {}
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table[key].mt = {}
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setmetatable(table[key], table[key].mt)
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table[key].mt.__index = function(innerTable, innerKey)
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innerTable[innerKey] = 1
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return innerTable[innerKey]
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end
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return table[key]
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end
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end
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local function cloneGrid()
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local grid = {}
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for x, v in pairs(GRID) do
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grid[x] = {}
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for y, set in pairs(v) do
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grid[x][y] = set
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end
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setmetatable(grid[x], grid[x].mt)
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end
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setmetatable(grid, grid.mt)
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return grid
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end
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function love.load(args)
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UNITS = args[1] or 16
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STEPS_PER_FRAME = args[2] or 1
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PAUSED = false
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initColors()
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initScreen()
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initFont()
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initGrid()
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end
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local function neighbors(x, y)
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local lowX = x - UNITS
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local highX = x + UNITS
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local lowY = y - UNITS
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local highY = y + UNITS
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local count = 0
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for i = lowX, highX do
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for j = lowY, highY do
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i = wrap(i, WIDTH)
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j = wrap(j, HEIGHT)
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if (i ~= x or j ~= y) and GRID[i][j] == 2 then
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count = count + 1
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end
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end
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end
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return count
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end
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local function clear(grid, x, y)
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grid[x][y] = 1
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end
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local function setHead(grid, x, y)
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grid[x][y] = 2
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end
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local function setTail(grid, x, y)
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grid[x][y] = 3
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end
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local function setConductor(grid, x, y)
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grid[x][y] = 4
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end
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local function setSpark(grid, x, y)
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local n = neighbors(x, y)
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if n == 1 or n == 2 then
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setHead(grid, x, y)
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end
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end
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local function updater(state)
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local match = {
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-- noop
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[1] = function(x, y) end,
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[2] = setTail,
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[3] = setConductor,
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[4] = setSpark,
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}
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return match[state]
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end
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local function stepCell(grid, x, y)
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local state = GRID[x][y]
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local update = updater(state)
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update(grid, x, y)
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end
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function love.keypressed(key, _, isrepeat)
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if key == "space" and not isrepeat then
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PAUSED = not PAUSED
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if PAUSED then
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print("pausing")
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else
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print("unpausing")
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end
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end
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end
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function love.mousepressed(x, y, button)
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x = (x - (x % UNITS))
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y = (y - (y % UNITS))
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local state = GRID[x][y]
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if button == 1 then
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if state == 1 then
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print("setting conductor")
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setConductor(GRID, x, y)
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else
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print("clearing")
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clear(GRID, x, y)
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end
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elseif button == 2 then
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if state == 4 then
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print("setting head")
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setHead(GRID, x, y)
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elseif state == 2 then
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print("setting conductor")
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setConductor(GRID, x, y)
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end
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end
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end
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FRAMELOCK_COUNTER = 0
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FRAMELOCK_FPS = 10
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function love.update(dt)
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pcall(function()
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require("lurker").update()
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end)
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if not PAUSED then
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FRAMELOCK_COUNTER = FRAMELOCK_COUNTER + dt
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if FRAMELOCK_COUNTER < (1 / FRAMELOCK_FPS) then
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return
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end
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FRAMELOCK_COUNTER = 0
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local grid = cloneGrid()
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for x = 0, WIDTH, UNITS do
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for y = 0, HEIGHT, UNITS do
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local state = GRID[x][y]
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if state ~= 1 then
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stepCell(grid, x, y)
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end
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end
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end
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GRID = grid
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end
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end
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local function paintPlayPause()
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local status, width
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if PAUSED then
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status, width = "paused", PAUSED_WIDTH
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else
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status, width = "playing", PLAYING_WIDTH
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end
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love.graphics.setColor(COLORS[1])
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love.graphics.rectangle("fill", -10, HEIGHT - FONT_HEIGHT - 20, width + 30, FONT_HEIGHT + 10, 5, 5)
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love.graphics.setColor(BLACK)
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love.graphics.print(status, 10, HEIGHT - FONT_HEIGHT - 15)
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end
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local function paintFPS()
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local fps = tostring(love.timer.getFPS()) .. " FPS"
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local width = FONT:getWidth(fps)
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love.graphics.setColor(COLORS[1])
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love.graphics.rectangle("fill", WIDTH - width - 10, HEIGHT - FONT_HEIGHT - 20, width + 30, FONT_HEIGHT + 10,
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5, 5)
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love.graphics.setColor(BLACK)
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love.graphics.print(fps, WIDTH - width - 5, HEIGHT - FONT_HEIGHT - 15)
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end
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function love.draw()
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for x, v in pairs(GRID) do
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if x ~= "mt" then
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for y, state in pairs(v) do
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if y ~= "mt" then
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local color = COLORS[#COLORS - state + 1]
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love.graphics.setColor(color)
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love.graphics.rectangle("fill", x, y, UNITS, UNITS)
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if state ~= 1 then
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love.graphics.setColor(BLACK)
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love.graphics.rectangle("line", x, y, UNITS, UNITS)
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end
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end
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end
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end
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end
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paintFPS()
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paintPlayPause()
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end
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