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finished episode 25

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nek0 2020-08-29 05:19:47 +02:00
parent fa0c6c4670
commit 9fca6a7617
1 changed files with 9 additions and 2 deletions
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11
src/Main.hs
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@ -119,6 +119,7 @@ main = do
update sceneObject 0 update sceneObject 0
render sceneObject render sceneObject
else do else do
GL.clearColor $= GL.Color4 0 0 0 1
GL.clear [GL.ColorBuffer] GL.clear [GL.ColorBuffer]
-- Switch to different scene on keyboard presses F1 thourgh F? -- Switch to different scene on keyboard presses F1 thourgh F?
@ -160,9 +161,15 @@ sceneSwitch curScene evs = mapM_ (switch . SDL.eventPayload) evs
(SDL.Keysym _ code mod))) = (SDL.Keysym _ code mod))) =
when (SDL.toNumber mod == 0) $ when (SDL.toNumber mod == 0) $
case code of case code of
SDL.KeycodeEscape -> do
isEmpty <- isEmptyMVar curScene
when (not isEmpty) $
void $ tryTakeMVar curScene
SDL.KeycodeF1 -> do SDL.KeycodeF1 -> do
void $ tryTakeMVar curScene isEmpty <- isEmptyMVar curScene
putMVar curScene =<< scene1 when isEmpty $ do
void $ tryTakeMVar curScene
putMVar curScene =<< scene1
_ -> _ ->
return () return ()
switch _ = return () switch _ = return ()