Add missing dependencies, fix arc rendering

src/Dodge/Item/Weapon/AmmoParams.hs

@@ -0,0 +1,48 @@
+module Dodge.Item.Weapon.AmmoParams
+    where
+import Dodge.Data
+import Dodge.Particle.Bullet.Spawn
+import Geometry
+
+import Control.Lens
+
+useAmmoParams :: Item -> Creature -> World -> World
+useAmmoParams it = withVelWthHiteff (_amBulVel b) (_amBulWth b) (_amBulEff b) 
+  where
+    b = _wpAmmo it
+
+useAmmoParamsVelMod :: Float -> Item -> Creature -> World -> World
+useAmmoParamsVelMod vfact it = withDelayedVelWthHiteff vfact (_amBulVel b) (_amBulWth b) (_amBulEff b) 
+  where
+    b = _wpAmmo it
+
+{- | Creates a bullet with a given velocity, width, and 'HitEffect' -}
+withVelWthHiteff 
+    :: Point2       -- ^ Velocity, x direction is forward with respect to the creature
+    -> Float        -- ^ Bullet width
+    -> HitEffect    -- ^ Bullet effect when hitting creature, wall etc
+    -> Creature          -- ^ Creature id
+    -> World 
+    -> World
+withVelWthHiteff vel width hiteff cr = over particles (newbul : ) 
+  where 
+    cid = _crID cr
+    newbul = aGenBulAt (Just cid) pos (rotateV dir vel) hiteff width
+    dir = _crDir cr
+    pos = _crPos cr +.+ _crRad cr *.* unitVectorAtAngle (_crDir cr)
+
+{- | Creates a bullet with a given velocity, width, and 'HitEffect' -}
+withDelayedVelWthHiteff 
+    :: Float        -- ^ Velocity factor for first step
+    -> Point2       -- ^ Velocity, x direction is forward with respect to the creature
+    -> Float        -- ^ Bullet width
+    -> HitEffect    -- ^ Bullet effect when hitting creature, wall etc
+    -> Creature          -- ^ Creature id
+    -> World 
+    -> World
+withDelayedVelWthHiteff vfact vel width hiteff cr = over particles (newbul : ) 
+  where 
+    cid = _crID cr
+    newbul = aDelayedBulAt vfact (Just cid) pos (rotateV dir vel) hiteff width
+    dir = _crDir cr
+    pos = _crPos cr +.+ _crRad cr *.* unitVectorAtAngle (_crDir cr)