partial rewrite of type logic

This commit is contained in:
Dario48 2025-12-31 16:47:58 +01:00
commit 2eecc8990e

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@ -1,14 +1,17 @@
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE OverloadedStrings #-}
module Main where
import Control.Concurrent (threadDelay)
import Control.Monad (unless)
import Control.Monad.IO.Class (MonadIO)
import Data.Bifoldable (bimapM_)
import Data.Bifunctor (Bifunctor (bimap, second))
import Data.Foldable (Foldable (toList))
import Data.Functor ((<&>))
import Data.IORef (IORef, newIORef, readIORef, writeIORef)
import Data.Kind (Type)
import Data.StateVar (StateVar (StateVar), makeStateVar, mapStateVar)
import Foreign.C (CInt)
import SDL (
@ -37,6 +40,7 @@ import SDL (
defaultWindow,
destroyWindow,
drawLine,
drawPoint,
get,
initialize,
pollEvents,
@ -53,7 +57,7 @@ import System.IO.Unsafe (unsafePerformIO)
import Text.Printf (PrintfType, printf)
fps :: Int
fps = 144
fps = 1
data LoggingState = On | Off
@ -124,11 +128,19 @@ type Point3D = V3 Float
type Line3D = (Point3D, Point3D)
class Drawable a where
draw :: (MonadIO m, Functor m) => Window -> Renderer -> a -> m ()
absRotate :: Direction -> Direction -> Float -> a -> a
rotate :: Direction -> Direction -> Float -> a -> a
data Pointrel = P2 Point2D | P3 Point3D deriving (Show)
p2 :: Float -> Float -> Pointrel
p2 x y = P2 (V2 x y)
p3 :: Float -> Float -> Float -> Pointrel
p3 x y z = P3 (V3 x y z)
toP2 :: Pointrel -> Point2D
toP2 (P2 pnt) = pnt
toP2 (P3 pnt) = to2D pnt
@ -137,17 +149,32 @@ toP3 :: Pointrel -> Point3D
toP3 (P3 pnt) = pnt
toP3 (P2 pnt) = let oldvec = toList pnt in V3 (head oldvec) (last oldvec) 0
p3 :: Float -> Float -> Float -> Pointrel
p3 x y z = P3 (V3 x y z)
instance Drawable Pointrel where
draw window renderer (P3 pnt) = draw window renderer $ P2 $ to2D pnt
draw window renderer pnt = get $ windowSize window >>= drawPoint renderer . flip tosdl pnt
absRotate dir1 dir2 ang (P3 pnt) = P3 $ _rotate dir1 dir2 ang pnt
absRotate dir1 dir2 ang pnt = P3 $ _rotate dir1 dir2 ang $ toP3 pnt
rotate _ _ _ = id
type Line = (Pointrel, Pointrel)
newtype Line = Line (Pointrel, Pointrel)
toLines :: [(Pointrel, Pointrel)] -> [Line]
toLines = map Line
unLine :: Line -> (Pointrel, Pointrel)
unLine (Line points) = points
type Object = [Line]
instance Drawable Line where
draw window renderer (Line points) = get (windowSize window) >>= (\size -> uncurry (drawLine renderer) $ bimap (tosdl size) (tosdl size) points)
data Object = Lines [Line] | Points [Pointrel]
instance Drawable Object where
draw window renderer (Lines obj) = mapM_ (draw window renderer) obj
draw window renderer (Points obj) = mapM_ (draw window renderer) obj
{- FOURMOLU_DISABLE -}
square :: Object
square =
[ (p3 (-0.5) (-0.5) (-0.5), p3 0.5 (-0.5) (-0.5)),
square = Lines $ toLines [
(p3 (-0.5) (-0.5) (-0.5), p3 0.5 (-0.5) (-0.5)),
(p3 (-0.5) (-0.5) (-0.5), p3 (-0.5) 0.5 (-0.5)),
(p3 (-0.5) (-0.5) (-0.5), p3 (-0.5) (-0.5) 0.5),
@ -159,32 +186,30 @@ square =
(p3 (-0.5) 0.5 0.5, p3 (-0.5) (-0.5) 0.5),
(p3 (-0.5) 0.5 0.5, p3 (-0.5) 0.5 (-0.5)),
(p3 0.5 (-0.5) 0.5, p3 0.5 0.5 0.5),
(p3 0.5 (-0.5) 0.5, p3 (-0.5) (-0.5) 0.5),
(p3 0.5 (-0.5) 0.5, p3 0.5 (-0.5) (-0.5))
]
{- FOURMOLU_ENABLE -}
data Direction = X | Y | Z
rotate :: Direction -> Direction -> Float -> Point3D -> Point3D
rotate X Y ang pnt =
_rotate :: Direction -> Direction -> Float -> Point3D -> Point3D
_rotate X Y ang pnt =
let (c, s, toRotate, x, y, z) = (cos ang, sin ang, toList pnt, head toRotate, toRotate !! 1, last toRotate)
in V3 ((x * c) - (y * s)) ((x * s) + (y * c)) z
rotate X Z ang pnt =
_rotate X Z ang pnt =
let (c, s, toRotate, x, y, z) = (cos ang, sin ang, toList pnt, head toRotate, toRotate !! 1, last toRotate)
in V3 ((x * c) - (z * s)) y ((x * s) + (z * c))
rotate Y Z ang pnt =
_rotate Y Z ang pnt =
let (c, s, toRotate, x, y, z) = (cos ang, sin ang, toList pnt, head toRotate, toRotate !! 1, last toRotate)
in V3 x ((y * c) - (z * s)) ((y * s) + (z * c))
rotate Y X a p = rotate X Y a p
rotate Z X a p = rotate X Z a p
rotate Z Y a p = rotate Y Z a p
rotate X X _ _ = error "cant't rotate around 2 axis simultaniously"
rotate Y Y _ _ = error "cant't rotate around 2 axis simultaniously"
rotate Z Z _ _ = error "cant't rotate around 2 axis simultaniously"
_rotate Y X a p = _rotate X Y a p
_rotate Z X a p = _rotate X Z a p
_rotate Z Y a p = _rotate Y Z a p
_rotate X X _ _ = error "cant't rotate around 2 axis simultaniously"
_rotate Y Y _ _ = error "cant't rotate around 2 axis simultaniously"
_rotate Z Z _ _ = error "cant't rotate around 2 axis simultaniously"
_rotateprint :: LoggingState -> Float -> Point3D -> IO ()
_rotateprint On ang pnt =
@ -228,15 +253,8 @@ loop renderer window = do
oldObjs <- readIORef objects
mapM_ (mapM_ (bimapM_ (logPutStr logState . flip (++) " " . show . toP3) (logPrint logState . toP3)) . snd) oldObjs
logPutStrLn logState ""
logPutStrLn logState "rotateprint"
mapM_ (mapM_ (bimapM_ (rotateprint pi . toP3) (rotateprint pi . toP3)) . snd) oldObjs
logPutStrLn logState "rotateprint"
logPutStrLn logState ""
readIORef delta >>= writeIORef delta . (+ (0.25 / fromIntegral fps))
-- readIORef delta >>= writeIORef delta . (+ (0.25 / fromIntegral fps))
readIORef delta >>= writeIORef delta . (+ (0.05 / fromIntegral fps))
tmpDelta <- readIORef delta
let ang = 2 * pi * tmpDelta
-- readIORef objects >>= (writeIORef objects . map (second (map (bimap (P3 . (+) (V3 0 0 delta) . toP3) (P3 . (+) (V3 0 0 delta) . toP3)))))
@ -249,6 +267,8 @@ loop renderer window = do
readIORef objects >>= mapM_ (mapM_ (logPrint logState) . snd)
logPutStrLn logState ""
-- putStr "\ESC[H\ESC[2J"
mapM_ (mapM_ (bimapM_ (putStr . flip (++) " " . show . toP3) (print . toP3))) moved
mapM_ (mapM_ (uncurry (drawLine renderer) . bimap (tosdl size) (tosdl size))) moved
present renderer
@ -265,7 +285,11 @@ loop renderer window = do
- and finally from 0..2 to 0..1
-}
to2D :: Point3D -> Point2D
to2D = (\vec -> V2 (head vec / last vec) (vec !! 1 / last vec)) . toList
to2D pointin
| last vec == 0 = to2D $ pointin * V3 1 (-1) 1
| otherwise = V2 (head vec / last vec) (vec !! 1 / last vec)
where
vec = toList pointin
{-
- size `toIntegral`
@ -276,5 +300,5 @@ to2D = (\vec -> V2 (head vec / last vec) (vec !! 1 / last vec)) . toList
- return it in point form
-}
tosdl :: V2 CInt -> Pointrel -> Point V2 CInt
tosdl size (P2 rel) = P $ fmap round $ fmap fromIntegral size * (1 - (rel + 1) / 2)
tosdl size (P2 rel) = P $ fmap round $ fmap fromIntegral size * (1 - ((rel + 1) / 2))
tosdl size (P3 rel) = tosdl size $ P2 $ to2D rel