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Jogos em Lua com LÖVE

Jogos em Lua com LÖVE. Hamilton Lima Jr. MediaLab – UFF www.athanazio.com Lua workshop 2009. Agenda. O que é LÖVE Componentes Exemplos Hello world Controle de teclado Fisica Jogos completos. O que é LÖVE. Game engine 2D Usa LUA como linguagem de programação

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Jogos em Lua com LÖVE

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  1. Jogos em Lua com LÖVE Hamilton Lima Jr. MediaLab – UFF www.athanazio.com Lua workshop 2009

  2. Agenda • O que é LÖVE • Componentes • Exemplos • Hello world • Controle de teclado • Fisica • Jogos completos

  3. O que é LÖVE • Game engine 2D • Usa LUA como linguagem de programação • Oferece suporte a multiplos tipos de imagem e som • Oferece suporte a fontes True-type • É considerada inquestionavelmente impressionante 

  4. “LÖVE is an unquestionably awesome 2D game engine, which allows rapid game development and prototyping in Lua“ http://love2d.org

  5. O que é LÖVE • OpenGL - http://opengl.org • SDL - http://libsdl.org • SDLMixer - http://libsdl.org/projects/SDL_mixer • Freetype - http://freetype.org • DeviL - http://openil.sourceforge.net • PhysicsFS - http://icculus.org/physfs • BOX2D - http://box2d.org • Boost - http://boost.org • SWIG - http://swig.org

  6. Componentes • Graphics • Audio • Physics • Mouse • Keyboard • Joystick • Filesystem • Timer • System

  7. Quase 09:10 Show me the code !

  8. LÖVE hello world function load() love.graphics.setBackgroundColor(54, 172, 248) love.graphics.setColor(255, 255, 255) local f = love.graphics.newFont(love.default_font, 14) love.graphics.setFont(f) end function draw() love.graphics.draw("hello", 50, 50) end

  9. Mandamentos • Tenha um main.lua • Crie as funções • Load() • Update(dt) • Draw() E se precisar implemente alguma destas: • Mousepressed() • Mousereleased() • Keypressed() • Keyreleased() • Joystickpressed() • Joystickreleased()

  10. Movendo a bola function load() branco = love.graphics.newColor( 255, 255, 255 ) love.graphics.setBackgroundColor( branco ) bola = love.graphics.newImage("bola.png") x = 100 y = 100 velocidade = 240 end function draw() love.graphics.draw( bola, x, y ) end function update(delta) if love.keyboard.isDown(love.key_up) then y = y - (velocidade * delta) end if love.keyboard.isDown(love.key_down) then y = y + (velocidade * delta) end if love.keyboard.isDown(love.key_left) then x = x - (velocidade * delta) end if love.keyboard.isDown(love.key_right) then x = x + (velocidade * delta) end end

  11. Outros exemplos

  12. Mais exemplos

  13. Referências • http://love2d.org/docs/ • http://love2d.org/forum/ • www.riogdug.org • www.athanazio.com/jogos

  14. Make LÖVE !

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