fwgl-0.1.3.1: Game engine

Safe Haskell	None
Language	Haskell2010

FWGL.Backend.IO

Documentation

class GLES => BackendIO where Source

Associated Types

type Canvas Source

Where to draw (e.g. a window, a HTML5 canvas).

type BackendState Source

Methods

loadImage Source

Arguments

:: FilePath	Path or URL.
-> ((Image, Int, Int) -> IO ())	Callback.
-> IO ()

loadTextFile Source

Arguments

:: FilePath	Path or URL.
-> (Either String String -> IO ())	Callback
-> IO ()

initBackend :: IO BackendState Source

createCanvas :: String -> BackendState -> IO (Canvas, Int, Int) Source

setCanvasSize Source

Arguments

:: Int	Width
-> Int	Height
-> Canvas
-> BackendState
-> IO ()

Set the size of the canvas/window.

setCanvasTitle :: String -> Canvas -> BackendState -> IO () Source

Set the title of the window.

setCanvasResizeCallback :: (Int -> Int -> IO ()) -> Canvas -> BackendState -> IO () Source

setCanvasRefreshCallback :: IO () -> Canvas -> BackendState -> IO () Source

popInput :: a -> Canvas -> BackendState -> IO (Input a) Source

getInput :: a -> Canvas -> BackendState -> IO (Input a) Source

drawCanvas Source

Arguments

:: (Ctx -> IO a)	Draw action.
-> Bool	Swap buffers.
-> Canvas
-> BackendState
-> IO a

safeFork :: Ctx -> (IO () -> IO ThreadId) -> IO () -> IO ThreadId Source

refreshLoop Source

Arguments

:: Int	FPS (not necessarily used).
-> Canvas
-> BackendState
-> IO ()

getTime :: BackendState -> IO Double Source

Time, in seconds.

terminateBackend :: BackendState -> IO () Source