From b4c5f9ae1acbf541d1aea969f668b0d8406fd085 Mon Sep 17 00:00:00 2001
From: Philipp Gesang <pgesang@ix.urz.uni-heidelberg.de>
Date: Sat, 7 Aug 2010 13:43:59 +0200
Subject: drawing simple backgrounds successively
---
life.lua | 43 ++++++++++++++-----
mplife.cld | 140 +++++++++++++++++++++++++++++++++++++++++++++++++++----------
run.lua | 13 +++---
3 files changed, 160 insertions(+), 36 deletions(-)
diff --git a/life.lua b/life.lua
index 6d5a2cb..3961830 100644
--- a/life.lua
+++ b/life.lua
@@ -18,6 +18,10 @@
gol = {}
gol.helpers = {}
+gol.setup = gol.setup or {}
+gol.setup.current = gol.setup.current or {}
+
+gol.setup.fade = gol.setup.fade or false
local C, Ct, P, R, S, match = lpeg.C, lpeg.Ct, lpeg.P, lpeg.R, lpeg.S, lpeg.match
@@ -100,29 +104,44 @@ function gol.parse_rule (raw_rule)
return { birth = b, stay = s }
end
-function gol.apply_rule (cell, cnt, rule)
- local live, dead = "1", "0"
- local new = dead
+function gol.apply_rule (cell, cnt, rule, fade)
+ --local live, dead = "1", "0"
+ --local new = dead
+ local new = 0
+ local live = P("1")
+ local dead = 1 - live
local stay = rule.stay
local birth = rule.birth
-- checking if cnt matches the numbers from the conditions list
- if cell == live then
+ if live:match(cell) then
for _, cond in ipairs(stay) do
if cnt == cond then
- new = live
+ new = "1"
break
end
end
else -- ==dead
for _, cond in ipairs(birth) do
if cnt == cond then
- new = live
+ new = "1"
break
end
end
end
+ if fade then
+ if not live:match(new) then
+ local add = tonumber (cell)
+ if add and add < 9 and add ~= 0 then
+ add = add + 1
+ else
+ add = 0
+ end
+ new = tostring(add)
+ end
+ end
+
return new
end
@@ -151,8 +170,12 @@ end
function gol.next_line (rows, rule)
local new = ""
- local dead = "0"
- local live = "1"
+ --local dead = "0"
+ --local live = "1"
+ local live = P("1")
+ local dead = 1 - live
+
+ local fade = gol.setup.current.fade or gol.setup.fade
local n = 1
local max = string.len(rows[2])
@@ -199,13 +222,13 @@ function gol.next_line (rows, rule)
-- counting live cells in the environment
local cnt = 0
for _, chr in pairs(env) do
- if chr == live then
+ if live:match(chr) then
cnt = cnt + 1
end
end
-- adding new cell according to ruleset
- new = new .. gol.apply_rule(current, cnt, rule)
+ new = new .. gol.apply_rule(current, cnt, rule, fade)
n = n + 1
until n > max
diff --git a/mplife.cld b/mplife.cld
index 11392e8..b83ef17 100644
--- a/mplife.cld
+++ b/mplife.cld
@@ -19,6 +19,55 @@ require "run"
local mplife = {}
+gol.setup = gol.setup or {}
+gol.setup.current = gol.setup.current or {}
+
+do
+ local c = gol.setup.current
+
+ c.file = c.file or "examples/glider_gen-p55.gol"
+ c.rule = gol.parse_rule("B3/S23") -- default Conway
+ c.init = gol.parse_file(c.file)
+ c.last = c.init -- for successive mode
+
+ c.pensize = .03
+ c.fade = true
+ c.firstframe = 1
+ c.frames = 5
+ c.preamble = [[
+\setupcolors[state=start]
+\setupbackgrounds[state=start]
+\setuppapersize[S6][S6]
+]]
+ --c.before_frame = [[
+--\defineoverlay
+ --[back]
+ --[\bgroup
+--]]
+ --c.after_frame = [[
+--\egroup]
+
+--\setupbackgrounds [paper] [background=back]
+--\page
+--]]
+ c.before_frame = [[
+\startuseMPgraphic{back}
+pickup pensquare scaled ]] .. c.pensize .. [[pt;
+
+]]
+ c.after_frame = [[
+currentpicture := currentpicture xysized (PaperHeight*.6,PaperWidth*.6) ;
+\stopuseMPgraphic
+\defineoverlay[back][\useMPgraphic{back}]
+
+\setupbackgrounds [page] [background=back]
+]]
+
+ gol.setup.current = c
+end
+
+
+
mplife.fade = true
mplife.format = {
@@ -27,10 +76,10 @@ mplife.format = {
opar = "(", cpar = ")",
- hypen = "-", comma = ",",
+ hyphen = "-", comma = ",",
scolon = ";", path = "--",
- filldraw = "fill",
+ filldraw = "fill", -- "draw",
draw = "draw",
cycle = "cycle",
@@ -40,9 +89,9 @@ mplife.format = {
}
function mplife.runcode (mpcode)
- context.startMPcode()
+ --context.startMPcode()
context(mpcode)
- context.stopMPcode()
+ --context.stopMPcode()
--context.MPdrawing(mpcode) -- comes with next beta!
end
@@ -60,7 +109,7 @@ function mplife.p_square (from, filled, fade_level)
-- from - d.y from + d.x && - d.y
-- p4 p3
- local d = { x = 1, y = 1, unit = "cm" }
+ local d = { x = 1, y = 1, unit = "" }
local points = {
[1] = { x = from.x, y = from.y },
[2] = { x = from.x+d.x, y = from.y },
@@ -86,7 +135,14 @@ function mplife.p_square (from, filled, fade_level)
if filled and fade_level then
--tmp = tmp .. f.space .. "withcolor" .. f.space .. 1/fade_level .. "black"
- tmp = tmp .. f.space .. "withcolor" .. f.space .. .1*fade_level .. "white"
+ if fade_level == 0 then
+ fade_level = 1
+ elseif fade_level == 1 then
+ fade_level = 0
+ else
+ fade_level = .05 * fade_level + .5
+ end
+ tmp = tmp .. f.space .. "withcolor" .. f.space .. fade_level .. "white"
end
tmp = tmp .. f.scolon
@@ -99,7 +155,7 @@ end
function mplife.draw_grid(grid)
print (grid)
local h = gol.helpers
- local pat = ""
+ local pat = "" --"StartPage; "
if type(grid) == "string" then
grid = h.split(grid, "\n") -- may leave an empty string as last item
if grid[#grid] == "" then grid[#grid] = nil end
@@ -113,16 +169,20 @@ function mplife.draw_grid(grid)
local pos = 1
repeat
local cell = row:sub(pos, pos)
- local p = { x = pos, y = 1 - n, unit = "cm" }
+ local p = { x = pos, y = 1 - n, unit = "" }
local fill, fade_level
- if cell ~= "0" then fill = true end
+ --if cell ~= "0" then fill = true end
+ fill = true
if fill and mplife.fade then
fade_level = tonumber(cell)
end
+ --if fade_level ~= 0 then -- dont draw dead cells (workaround for rounded pens)
+ --pat = pat .. mplife.p_square( p, fill, fade_level )
+ --end
pat = pat .. mplife.p_square( p, fill, fade_level )
--.. "\nlabel.bot(btex $" .. pos .. "$ etex, (" ..
--pos .. "cm," .. 1 - n .. "cm));"
@@ -146,7 +206,7 @@ function mplife.checker(n)
for x=1, n, 1 do
local fill
if cnt % 2 == 0 then fill = true end
- local p = { x = x, y = y, unit = "cm" }
+ local p = { x = x, y = y, unit = "" }
squares = squares .. mplife.p_square( p, fill )
cnt = cnt + 1
end
@@ -169,24 +229,62 @@ end
--print(mplife.rand_pattern(10,1))
-
+--- interfacing with life.lua
-function mplife.main ()
- mpgraphic = [[
-fill fullcircle scaled 200pt withcolor .625yellow;
-]]
+function mplife.life_frame (frame)
+ --local c = gol.setup.current
- context.setupcolors({state = "start"})
- context.starttext()
+ mplife.draw_grid(frame)
+
+ return true
+end
- --apoint = { x = 3, y = 4, unit = "cm" }
- --bpoint = { x = 7, y = 5, unit = "cm" }
- --mplife.runcode (mplife.p_square( apoint, true) .. mplife.p_square( bpoint, false))
+function mplife.life_movie (frames, next_page)
+ local c = gol.setup.current
+ for i, frame in ipairs(frames) do
+ context(c.before_frame)
+ mplife.life_frame(frame)
+ context(c.after_frame)
+ end
+end
+
+function mplife.life_frames ()
+ local c = gol.setup.current
+
+
+ local frames = gol.frames( c.init, c.rule, c.frames, c.firstframe )
+ mplife.life_movie( frames, false )
+ return true
+end
+
+function mplife.successive ()
+ local c = gol.setup.current
+ context(c.before_frame)
+ mplife.draw_grid(c.last)
+ context(c.after_frame)
+ gol.setup.current.last = gol.next_frame( c.last, c.rule )
+ return true
+end
+
+
+
+
+function mplife.main ()
+ local c = gol.setup.current
+ context(c.preamble) -- only once
+ context.starttext()
--mplife.runcode (mplife.checker(20))
- mplife.draw_grid(mplife.rand_pattern(10,6))
+ --mplife.draw_grid(mplife.rand_pattern(10,6))
+ --mplife.life_frames()
+
+ for i=1,55,1 do
+ mplife.successive()
+ context(Test)
+ context.page()
+ end
context.stoptext()
return 0
end
diff --git a/run.lua b/run.lua
index db1c70a..af54412 100644
--- a/run.lua
+++ b/run.lua
@@ -64,6 +64,10 @@ function main ()
current.kv_args = life.get_args()
current.file = current.kv_args.file or "10x10_glider.gol"
+ -- sustaining dead cells
+ current.sustain = current.kv_args.sustain or 0 -- TODO
+ current.fadeout = current.kv_args.fadeout or false
+
-- check for debug flag
if tonumber(current.kv_args.debug) == 0 then
life.debug = false
@@ -93,16 +97,15 @@ function main ()
if life.debug then
gol.pre_frame(current.init)
end
- local lots = gol.frames( current.init, current.rule, 55 )
- gol.pre_movie (lots, true)
+ local many = gol.frames( current.init, current.rule, 55 )
+ gol.pre_movie (many, true)
+ --local lots = gol.frames( current.init, current.rule, 55 )
+ --gol.pre_movie (lots, true)
else
io.write"\nCheck your input file for consistency, please.\n"
return 1
end
- -- sustaining dead cells
- current.sustain = current.kv_args.sustain or 0
- current.fadeout = current.kv_args.fadeout or 0 -- TODO
return 0
end
--
cgit v1.2.3