This commit is contained in:
2022-10-28 15:04:39 +01:00
parent 68c2a78f43
commit 27fe1c7a96
+35 -28
View File
@@ -1,17 +1,21 @@
module Dodge.Base.Coordinate where
module Dodge.Base.Coordinate
( mouseWorldPos
, cartePosToScreen
, worldPosToScreen
) where
import Dodge.Base.WinScale
import Dodge.Data.Universe
import Geometry
import Control.Lens
-- | Transform coordinates from world position to screen coordinates.
worldPosToScreenNorm :: Configuration -> World -> Point2 -> Point2
worldPosToScreenNorm cfig w = doWindowScale cfig . doRotate . doZoom . doTranslate
where
doTranslate p = p -.- (w ^. cWorld . lWorld . cwCam . cwcCenter)
doZoom p = (w ^. cWorld . lWorld . cwCam . cwcZoom) *.* p
doRotate p = rotateV (negate (w ^. cWorld . lWorld . cwCam . cwcRot)) p
---- | Transform coordinates from world position to screen coordinates.
--worldPosToScreenNorm :: Configuration -> World -> Point2 -> Point2
--worldPosToScreenNorm cfig w = doWindowScale cfig . doRotate . doZoom . doTranslate
-- where
-- doTranslate p = p -.- (w ^. cWorld . lWorld . cwCam . cwcCenter)
-- doZoom p = (w ^. cWorld . lWorld . cwCam . cwcZoom) *.* p
-- doRotate p = rotateV (negate (w ^. cWorld . lWorld . cwCam . cwcRot)) p
{- | Transform world coordinates to scaled screen coordinates.
- These have to be scaled according to the size of the window to get actual screen positions.
@@ -19,9 +23,11 @@ worldPosToScreenNorm cfig w = doWindowScale cfig . doRotate . doZoom . doTransla
-}
worldPosToScreen :: World -> Point2 -> Point2
worldPosToScreen w =
rotateV (negate $ w ^. cWorld . lWorld . cwCam . cwcRot)
. ((w ^. cWorld . lWorld . cwCam . cwcZoom) *.*)
. (-.- (w ^. cWorld . lWorld . cwCam . cwcCenter))
rotateV (negate $ cam ^. cwcRot)
. ((cam ^. cwcZoom) *.*)
. (-.- (cam ^. cwcCenter))
where
cam = w ^. cWorld . lWorld . cwCam
{- | Transform coordinates from the map position to screen
coordinates.
@@ -29,26 +35,27 @@ coordinates.
cartePosToScreen :: Configuration -> World -> Point2 -> Point2
cartePosToScreen cfig w = doWindowScale cfig . doRotate . doZoom . doTranslate
where
doTranslate p = p -.- (w ^. cWorld . lWorld . hud . carteCenter) -- _carteCenter (_hud (_cWorld w))
--doZoom p = _carteZoom (_hud (_cWorld w)) *.* p
doZoom p = (w ^. cWorld . lWorld . hud . carteZoom) *.* p
--doRotate p = rotateV (negate $ _carteRot (_hud (_cWorld w))) p
doRotate p = rotateV (negate $ w ^. cWorld . lWorld . hud . carteRot) p
thehud = w ^. cWorld . lWorld . hud
doTranslate p = p -.- (thehud ^. carteCenter) -- _carteCenter (_hud (_cWorld w))
doZoom p = (thehud ^. carteZoom) *.* p
doRotate p = rotateV (negate $ thehud ^. carteRot) p
crToMousePosOffset :: Creature -> World -> (Point2, Float)
crToMousePosOffset cr w = (mouseWorldPos w -.- _crPos cr, 0)
--crToMousePosOffset :: Creature -> World -> (Point2, Float)
--crToMousePosOffset cr w = (mouseWorldPos w -.- _crPos cr, 0)
-- | The mouse position in world coordinates.
mouseWorldPos :: World -> Point2
mouseWorldPos w =
(w ^. cWorld . lWorld . cwCam . cwcCenter)
+.+ (1 / (w ^. cWorld . lWorld . cwCam . cwcZoom)) *.* rotateV (w ^. cWorld . lWorld . cwCam . cwcRot) (_mousePos w)
(cam ^. cwcCenter)
+.+ (1 / (cam ^. cwcZoom)) *.* rotateV (cam ^. cwcRot) (_mousePos w)
where
cam = w ^. cWorld . lWorld . cwCam
-- | The mouse position in map coordinates
mouseCartePos :: World -> Point2
mouseCartePos w = (w ^. cWorld . lWorld . hud . carteCenter)
+.+
(1 / (w ^. cWorld . lWorld . hud . carteZoom))
*.* rotateV (w ^. cWorld . lWorld . hud . carteRot) (_mousePos w)
-- _carteCenter (_hud (_cWorld w))
-- +.+ (1 / _carteZoom (_hud (_cWorld w))) *.* rotateV (_carteRot (_hud (_cWorld w))) (_mousePos w)
---- | The mouse position in map coordinates
--mouseCartePos :: World -> Point2
--mouseCartePos w = (thehud ^. carteCenter)
-- +.+
-- (1 / (thehud ^. carteZoom))
-- *.* rotateV (thehud ^. carteRot) (_mousePos w)
-- where
-- thehud = w ^. cWorld . lWorld . hud