Yampa 0.14.5 → 0.14.6
raw patch · 3 files changed
+31/−9 lines, 3 filesdep ~deepseqPVP ok
version bump matches the API change (PVP)
Dependency ranges changed: deepseq
API changes (from Hackage documentation)
Files
- CHANGELOG +7/−0
- Yampa.cabal +2/−2
- examples/Diagrams.hs +22/−7
CHANGELOG view
@@ -1,3 +1,10 @@+2023-12-07 Ivan Perez <ivan.perez@keera.co.uk>+ * Version bump (0.14.6) (#282).+ * Document HTML + WebAssembly backend in README (#34).+ * Relax version bounds on deepseq (#280).+ * Update and improve documentation of Diagrams example (#281).+ * Thanks to @AntanasKal.+ 2023-10-07 Ivan Perez <ivan.perez@keera.co.uk> * Version bump (0.14.5) (#278). * Define Yampa.FRP.Task.return in terms of pure (#276).
Yampa.cabal view
@@ -30,7 +30,7 @@ build-type: Simple name: Yampa-version: 0.14.5+version: 0.14.6 author: Henrik Nilsson, Antony Courtney maintainer: Ivan Perez (ivan.perez@keera.co.uk) homepage: https://github.com/ivanperez-keera/Yampa/@@ -100,7 +100,7 @@ build-depends: base < 6 - , deepseq >= 1.3.0.1 && < 1.5+ , deepseq >= 1.3.0.1 && < 1.6 , random >= 1.1 && < 1.3 , simple-affine-space >= 0.1 && < 0.3
examples/Diagrams.hs view
@@ -13,26 +13,29 @@ -- -- Install diagrams with Cairo support, together with Yampa: ----- cabal sandbox init--- cabal install Yampa diagrams -fcairo+-- cabal v1-sandbox init+-- cabal v1-install Yampa diagrams diagrams-cairo -- -- Compile in a sandbox with: ----- cabal exec -- ghc --make examples/Diagrams.hs+-- cabal v1-exec -- ghc --make examples/Diagrams.hs -- -- And run with: -- -- ./examples/Diagrams -w 400 -h 400 -o output.gif import Diagrams.Backend.Cairo.CmdLine-import Diagrams.Prelude+import Diagrams.Prelude hiding (Time) import FRP.Yampa hiding (norm, ( # ), (*^)) +main :: IO () main = mainWith $ take 60 frames +-- | Frames of the animation. frames :: [(Diagram B, Int)] frames = zip ((embed sfVF $ deltaEncode 1 $ repeat ())) (repeat 1) +-- | Signal producing the diagram at a point in time. sfVF :: SF () (Diagram B) sfVF = proc () -> do t <- time -< ()@@ -40,16 +43,24 @@ <> ( square 3.5 # lw none # alignBL)) returnA -< diag +-- | Field of arrows as it changes over time.+field :: Time -> Diagram B field t = position $ zip points (arrows t) -locs = [(x, y) | x <- [0.1, 0.3 .. 3.25], y <- [0.1, 0.3 .. 3.25]]-+-- | Arrow points as they change over time.+points :: [Point V2 Double] points = map p2 locs -vectorField t (x, y) = r2 (sin (t + y + 1), sin (t + x + 1))+-- | Arrow locations as they change over time.+locs :: [(Double, Double)]+locs = [(x, y) | x <- [0.1, 0.3 .. 3.25], y <- [0.1, 0.3 .. 3.25]] +-- | Arrows as they change over time.+arrows :: Time -> [Diagram B] arrows t = map (arrowAtPoint t) locs +-- | Diagram of a star at a given point in time and space.+arrowAtPoint :: Time -> (Double, Double) -> Diagram B arrowAtPoint t (x, y) = arrowAt' opts (p2 (x, y)) (sL *^ vf) # alignTL where vf = vectorField t (x, y)@@ -64,3 +75,7 @@ opts = (with & arrowHead .~ spike & headLength .~ normalized hs & shaftStyle %~ lwN sW)++-- | Direction vector depending on the time and the position in space.+vectorField :: Time -> (Double, Double) -> V2 Double+vectorField t (x, y) = r2 (sin (t + y + 1), sin (t + x + 1))