Difference between revisions of "Gamecamp"
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| Line 6: | Line 6: | ||
* kein int, alles float | * kein int, alles float | ||
| − | * multiple return | + | * local a,b,c = MyFun() -- multiple return values |
* todo : unpack | * todo : unpack | ||
* | * | ||
* for i=1,10 do ... end | * for i=1,10 do ... end | ||
| + | * for i=1,10,2 do ... end -- -> 1 3 5 7 9 | ||
* if (cond) then ... elseif (cond) then ... else ... end | * if (cond) then ... elseif (cond) then ... else ... end | ||
| + | * while (cond) do ... end | ||
| + | * kein continue aber break geht | ||
* for k,v in pairs(mytable) do ... end | * for k,v in pairs(mytable) do ... end | ||
* for k,v in ipairs(mytable) do ... end | * for k,v in ipairs(mytable) do ... end | ||
* function bla:blub () ... end : TODO : implizites self | * function bla:blub () ... end : TODO : implizites self | ||
| + | * print(var1,var2,var3) alle ausgeben | ||
| + | * comments : -- single line --[[....]] multiline/block | ||
| + | * oop über metatables modellierbar | ||
| + | * funktionen sind 1.class variablen (implizite closure) MyFunction(1, function (a,b) return a+b end ) | ||
| + | * local a,b,c -- sonst global | ||
| + | * stringcat : "hello" .. " " .. "world" | ||
| + | === lua tables === | ||
| − | + | * arrays : starten bei index 1 | |
| − | |||
* arrays : table.insert(mytable,o) | * arrays : table.insert(mytable,o) | ||
* assoc/map : mytable[name] = value | * assoc/map : mytable[name] = value | ||
| Line 24: | Line 33: | ||
* löschen = assign nil | * löschen = assign nil | ||
| + | === utils === | ||
| + | |||
| + | * for line in io.lines(filepath) do ... print(line) ... end | ||
| + | * print(debug.traceback("nachricht")) | ||
| + | * assert(wert_der_true_sein_soll,nachricht) | ||
| + | * dofile(filepath) -- TODO : unter löve anders zwecks zip ? | ||
| + | * for a,b,c in string.gmatch(txt,"(%w+)=(%w+):(%w+)") do print(a,b,c) end -- z.b. map-daten laden.. | ||
| + | * local startpos,endpos,match1,match2,match3 = string.find(txt,"(%w+)=(%w+):(%w+)") | ||
| + | * table.sort(arr,function (a,b) return a.feld < b.feld end) | ||
| + | * math.max/min/floor/ceil/pi/atan2/ | ||
| + | * math.randomseed(os.time()) -- am anfang einmal aufrufen | ||
| + | * math.random() -- [0;1[ float zwischen 0 und 1 | ||
| + | * math.random(n) -- n=int -> returns int in range [1;n] | ||
| + | * math.random(n,m) -- n,m=int -> returns int in range [n;m] | ||
| + | |||
| + | == löve 0.6.2 == | ||
| + | * features | ||
| + | ** audio (mitlerweile ganz gut) | ||
| + | ** 2d gfx | ||
| + | ** particle system | ||
| + | ** input | ||
| + | ** box2 physic (etwas wackelig) | ||
| + | |||
| + | * hello world | ||
| + | function love.draw() | ||
| + | love.graphics.print('Hello World!', 400, 300) | ||
| + | end | ||
| + | |||
| + | * anekdoten | ||
| + | ** ö | ||
| + | ** forum: öbey | ||
| + | ** seltsame libnamen: AnAL (Animation), LUBE (Network), Pölygamy (State, Helpers), Swingers (gesture) | ||
| + | |||
| + | * binary für win,mac,linux | ||
| + | * game als zip (.love) in einem file | ||
| + | * man kann standalone exe bauen (binary + zip dran-ge-cat'ed) | ||
| + | * todo : keypressed/keyisdown | ||
| + | * todo : time/milliseconds | ||
| + | * todo : particle system beispiel? nicht nötig falls zeit knapp | ||
== game == | == game == | ||
| Line 35: | Line 83: | ||
* interaktive : program new enemies | * interaktive : program new enemies | ||
* object system with stepper (createclass? :syntax?) | * object system with stepper (createclass? :syntax?) | ||
| + | * löve particle fx | ||
| + | |||
| + | == code == | ||
| + | === sprite malen === | ||
| + | object = love.graphics.newImage("ball.png") | ||
| + | love.graphics.draw(object, 10, 10) | ||
| + | |||
| + | === ton abspielen === | ||
| + | sound = love.audio.newSource("pling.wav", "static") | ||
| + | music = love.audio.newSource("techno.ogg") -- streamed | ||
| + | love.audio.play(sound) | ||
| + | love.audio.play(music) | ||
| + | |||
| + | === text ausgeben === | ||
| + | love.graphics.setFont("AwesomeFont.ttf", 15) | ||
| + | love.graphics.print("This is some awesome text", 100, 100) | ||
| + | |||
| + | === input handling === | ||
| + | if love.keyboard.isDown( " " ) then print("space pressed") end | ||
| + | |||
| + | function love.keypressed( key, unicode ) | ||
| + | if key == "return" then | ||
| + | text = "RETURN is being pressed!" | ||
| + | end | ||
| + | end | ||
| + | |||
| + | mouse_x = love.mouse.getX() | ||
| + | mouse_y = love.mouse.getY() | ||
| + | if love.mouse.isDown("r") then text = "Mouse button right is pressed" end | ||
== collab edit test, didn't work out though == | == collab edit test, didn't work out though == | ||
Revision as of 12:23, 23 May 2010
- http://www.gamecampmunich.de/sessions/ ! vorschlag eintragen ?
Contents
lua intro
- kein int, alles float
- local a,b,c = MyFun() -- multiple return values
- todo : unpack
- for i=1,10 do ... end
- for i=1,10,2 do ... end -- -> 1 3 5 7 9
- if (cond) then ... elseif (cond) then ... else ... end
- while (cond) do ... end
- kein continue aber break geht
- for k,v in pairs(mytable) do ... end
- for k,v in ipairs(mytable) do ... end
- function bla:blub () ... end : TODO : implizites self
- print(var1,var2,var3) alle ausgeben
- comments : -- single line --.... multiline/block
- oop über metatables modellierbar
- funktionen sind 1.class variablen (implizite closure) MyFunction(1, function (a,b) return a+b end )
- local a,b,c -- sonst global
- stringcat : "hello" .. " " .. "world"
lua tables
- arrays : starten bei index 1
- arrays : table.insert(mytable,o)
- assoc/map : mytable[name] = value
- set : mytable[o] = true
- key und value any
- löschen = assign nil
utils
- for line in io.lines(filepath) do ... print(line) ... end
- print(debug.traceback("nachricht"))
- assert(wert_der_true_sein_soll,nachricht)
- dofile(filepath) -- TODO : unter löve anders zwecks zip ?
- for a,b,c in string.gmatch(txt,"(%w+)=(%w+):(%w+)") do print(a,b,c) end -- z.b. map-daten laden..
- local startpos,endpos,match1,match2,match3 = string.find(txt,"(%w+)=(%w+):(%w+)")
- table.sort(arr,function (a,b) return a.feld < b.feld end)
- math.max/min/floor/ceil/pi/atan2/
- math.randomseed(os.time()) -- am anfang einmal aufrufen
- math.random() -- [0;1[ float zwischen 0 und 1
- math.random(n) -- n=int -> returns int in range [1;n]
- math.random(n,m) -- n,m=int -> returns int in range [n;m]
löve 0.6.2
- features
- audio (mitlerweile ganz gut)
- 2d gfx
- particle system
- input
- box2 physic (etwas wackelig)
- hello world
function love.draw()
love.graphics.print('Hello World!', 400, 300)
end
- anekdoten
- ö
- forum: öbey
- seltsame libnamen: AnAL (Animation), LUBE (Network), Pölygamy (State, Helpers), Swingers (gesture)
- binary für win,mac,linux
- game als zip (.love) in einem file
- man kann standalone exe bauen (binary + zip dran-ge-cat'ed)
- todo : keypressed/keyisdown
- todo : time/milliseconds
- todo : particle system beispiel? nicht nötig falls zeit knapp
game
- sidescroller
- tyrian gfx pack von lostgarden
- states (menu,game,highscore)
- map (texteditor, vertical)
- enemies,deco,shots spawn from right (map) and despawn
- parallax background / stars
- interaktive : program new enemies
- object system with stepper (createclass? :syntax?)
- löve particle fx
code
sprite malen
object = love.graphics.newImage("ball.png") love.graphics.draw(object, 10, 10)
ton abspielen
sound = love.audio.newSource("pling.wav", "static") music = love.audio.newSource("techno.ogg") -- streamed love.audio.play(sound) love.audio.play(music)
text ausgeben
love.graphics.setFont("AwesomeFont.ttf", 15) love.graphics.print("This is some awesome text", 100, 100)
input handling
if love.keyboard.isDown( " " ) then print("space pressed") end
function love.keypressed( key, unicode )
if key == "return" then
text = "RETURN is being pressed!"
end
end
mouse_x = love.mouse.getX() mouse_y = love.mouse.getY() if love.mouse.isDown("r") then text = "Mouse button right is pressed" end
collab edit test, didn't work out though
- note : http://etherpad.com/
- note : http://ietherpad.com/WkXqSs9AOr
- note : http://piratepad.net/TCRLQs5Bd5
