only draw visible tiles

This commit is contained in:
nek0 2018-04-22 11:59:14 +02:00
parent a05799cc9f
commit 366b79ecef
2 changed files with 30 additions and 27 deletions

View file

@ -120,18 +120,19 @@ drawMap :: Affection UserData ()
drawMap = do
ud <- getAffection
dt <- getDelta
(_, playerPos) <- yieldSystemT (worldState ud) $ do
efor $ \_ -> do
(_, (playerPos, npcposs)) <- yieldSystemT (worldState ud) $ do
pc <- efor $ \_ -> do
with player
with pos
pos' <- E.get pos
pure pos'
(_, npcposs) <- yieldSystemT (worldState ud) $ do
efor $ \_ -> do
-- (_, npcposs) <- yieldSystemT (worldState ud) $ do
npcs <- efor $ \_ -> do
with npcState
with pos
pos' <- E.get pos
pure pos'
return (pc, npcs)
let V2 pr pc = head playerPos
mat = imgMat (stateData ud)
ctx = nano ud
@ -224,6 +225,8 @@ drawTile
-> Maybe ImgId
-> IO ()
drawTile ai ctx pr pc row col img =
when ((realToFrac x > -tileWidth && realToFrac y > -tileHeight) &&
(realToFrac x < 1280 && realToFrac (y - (74 - realToFrac tileHeight)) < 720)) $
do
save ctx
if (isNothing img)
@ -253,9 +256,9 @@ drawTile ai ctx pr pc row col img =
mincs = Prelude.map (snd . matmin) mb
maxcs = Prelude.map (snd . matmax) mb
x = realToFrac $ 640 + ((fromIntegral col - pc) +
(fromIntegral row - pr)) * (tileWidth / 2)
(fromIntegral row - pr)) * (tileWidth / 2) :: CFloat
y = realToFrac $ 360 - (tileHeight / 2) + ((fromIntegral row - pr) -
(fromIntegral col - pc)) * (tileHeight / 2)
(fromIntegral col - pc)) * (tileHeight / 2) :: CFloat
dist = distance (V2 (fromIntegral row) (fromIntegral col))
(V2 (realToFrac pr - 1) (realToFrac pc)) / 4
fact =