glua (game lua i think)

i dont remember where the name came from

just trying out the lua api, and getting better with sdl2

check out examples

./glua examples/snake

will change violently and rapidly

glua.quit() quits the application

these functions should be defined in your code...

glua.draw(dt) draw is called every frame with deltatime

glua.data.rect(x, y, w, h) create a rectangle object

glua.data.rect(x, y, rx, ry) rect is also used for ellipses

glua.data.color(r, g, b, a) create a color object (values range from 0.0 to 1.0)

glua.window.set_title(title) sets the window title

glua.window.set_size(width, height) sets the window size

glua.texture.load_file(path) loads an image file as a texture

texture:get_size() returns the width and height of the image

glua.graphics.set_color(color) sets the drawing color

glua.graphics.clear() clears the screen with the drawing color

glua.graphics.show() displays the rendered image on the screen (required)

glua.graphics.draw_rect(rect) draws a rectangle with the drawing color

glua.graphics.draw_rects({ rect, ... }) draws multiple rectangles with the drawing color

glua.graphics.fill_rect(rect) fills a rectangle with the drawing color

glua.graphics.fill_rects({ rect, ... }) fills multiple rectangles with the drawing color

glua.graphics.draw_ellipse(rect) draws an ellipse with the drawing color, rect.w and rect.h are used as x and y radius

glua.graphics.draw_ellipses({ rect, ... }) draws multiple ellipses with the drawing color

glua.graphics.fill_ellipse(rect) fills an ellipse with the drawing color

glua.graphics.fill_ellipses({ rect, ... }) fills multiple ellipses with the drawing color

glua.graphics.draw_texture(texture, rect) renders a texture to the screen

glua.keyboard.is_pressed(key) -> bool queries key status, look at keys.c for accepted values

glua.audio.load_file(path) load new audio source from file

source:play() play or resume an audio source

source:play(n) play an audio source, looped n times

source:pause() pause audio source

source:stop() stop playing audio, running play will restart the audio

source:set_volume(vol) set audio source volume (values range from 0.0 to 1.0)


		function glua.event.on_keydown(key) 
		    if key == "q" then
		        glua.exit() 
		    end 
		end

currently available events include...

glua.event.on_keydown(key)

glua.event.on_keyup(key)

glua.event.on_exit()