diff options
Diffstat (limited to 'src/Collision.hs')
| -rw-r--r-- | src/Collision.hs | 93 |
1 files changed, 44 insertions, 49 deletions
diff --git a/src/Collision.hs b/src/Collision.hs index 3138473..909e7f7 100644 --- a/src/Collision.hs +++ b/src/Collision.hs @@ -5,68 +5,63 @@ module Collision ( collisionTankBorder import Tank import Game +import Transformable -import Data.Fixed -import Data.Ratio +import qualified Vector as V +import Data.VectorSpace -tankWidth :: Micro +tankWidth :: Coord tankWidth = 0.4 -tankLength :: Micro +tankLength :: Coord tankLength = 0.95 -bulletDiameter :: Micro +bulletDiameter :: Coord bulletDiameter = 0.05 -collisionTankBorder :: Micro -> Micro -> Tank -> Tank -collisionTankBorder lw lh tank = tank {tankX = newx, tankY = newy} - where - dir = (fromRational . toRational . tankDir $ tank)*pi/180 - cosd = fromRational (round ((cos dir)*1000000)%1000000) - sind = fromRational (round ((sin dir)*1000000)%1000000) - - points = [ (tankLength/2, tankWidth/2) - , (-tankLength/2, tankWidth/2) - , (-tankLength/2, -tankWidth/2) - , (tankLength/2, -tankWidth/2) - ] - - rotp (x, y) = (cosd*x - sind*y, sind*x + cosd*y) - transp (x, y) = (x + tankX tank, y + tankY tank) - - pointst = map (transp . rotp) points - minx = minimum $ map fst pointst - maxx = maximum $ map fst pointst - miny = minimum $ map snd pointst - maxy = maximum $ map snd pointst - - dx = if minx < 0 then (-minx) else if maxx > lw then (-maxx+lw) else 0 - dy = if miny < 0 then (-miny) else if maxy > lh then (-maxy+lh) else 0 - - newx = (tankX tank) + dx - newy = (tankY tank) + dy +collisionTankBorder :: Coord -> Coord -> Tank -> Tank +collisionTankBorder lw lh tank = (translate dx dy) >< tank + where + corners = [ V.Vector (tankLength/2) (tankWidth/2) + , V.Vector (-tankLength/2) (tankWidth/2) + , V.Vector (-tankLength/2) (-tankWidth/2) + , V.Vector (tankLength/2) (-tankWidth/2) + ] + + rotp v = V.rotateV (tankDir tank) >< v + transp v = V.translateV v >< tankPos tank + + points = map (transp . rotp) corners + minx = minimum $ map V.vertexX points + maxx = maximum $ map V.vertexX points + miny = minimum $ map V.vertexY points + maxy = maximum $ map V.vertexY points + + dx = if minx < 0 then (-minx) else if maxx > lw then (-maxx+lw) else 0 + dy = if miny < 0 then (-miny) else if maxy > lh then (-maxy+lh) else 0 collisionBulletBullet :: (Bullet, Bullet) -> (Bullet, Bullet) -> Bool collisionBulletBullet (b1, b1') (b2, b2') = distancesq < (bulletDiameter^2) - where - distancesq = (bulletX b1' - bulletX b2')^2 + (bulletY b1' - bulletY b2')^2 + where + distancesq = (bulletX b1' - bulletX b2')^2 + (bulletY b1' - bulletY b2')^2 collisionBulletTank :: (Bullet, Bullet) -> (Tank, Tank) -> Bool collisionBulletTank (b, b') (tank, tank') = (not ((between bx minx maxx) && (between by miny maxy))) && ((between bx' minx maxx) && (between by' miny maxy)) - where - between x a b = x >= a && x <= b - - dir t = (fromRational . toRational . tankDir $ t)*pi/180 - cosd t = fromRational (round ((cos $ dir t)*1000000)%1000000) - sind t = fromRational (round ((sin $ dir t)*1000000)%1000000) + where + between x a b = x >= a && x <= b + + rotp t v = V.rotateV' (tankDir t) >< v + transp t v = V.diffV (tankPos t) v - rotp t (x, y) = ((cosd t)*x + (sind t)*y, -(sind t)*x + (cosd t)*y) - transp t (x, y) = (x - tankX t, y - tankY t) + V.Vector bx by = (rotp tank) . (transp tank) $ bulletPos b + V.Vector bx' by' = (rotp tank') . (transp tank') $ bulletPos b' - (bx, by) = (rotp tank) . (transp tank) $ (bulletX b, bulletY b) - (bx', by') = (rotp tank') . (transp tank') $ (bulletX b', bulletY b') - - minx = -tankLength/2 - maxx = tankLength/2 - miny = -tankWidth/2 - maxy = tankWidth/2 + minx = -tankLength/2 + maxx = tankLength/2 + miny = -tankWidth/2 + maxy = tankWidth/2 + +collisionTankTank :: ((Tank, Tank), (Tank, Tank)) -> ((Tank, Tank), (Tank, Tank)) +collisionTankTank ((t1, t1'), (t2, t2')) = ((t1, t1'), (t2, t2')) +-- where +
\ No newline at end of file |