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  1. import Control.Monad
  2. import Data.Vect
  3. import Data.Danmaku
  4. import MonadicShooter.Bullet
  5.  
  6. barrage0 :: DanmakuT RealBullet (Reader Vec2) ()
  7. barrage0 = forever $ do
  8.     playerPos <- lift ask
  9.     let a = angle2 (playerPos &- center)
  10.     forM_ [0..39] $ \i ->
  11.         fire $ RealBullet (sinCos (i / 40 * 2 * pi + a) &* 3) center 0
  12.     wait 13
  13.     where
  14.         center = Vec2 240 120
  15.  
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https://ideone.com/XOl3e
language:
Haskell (ghc 8.4.4)
created:
13 years ago
visibility:
public

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