module Asteroid where

import Animation
import Updating
import Graphics.Gloss.Data.Picture
import Graphics.Gloss.Data.Color
import Moving ( Locatable
              , Colliding ( collisionRadius )
              , Moving
              , newLocation'
              )
import qualified Moving as M ( Moving (..)
                             , Locatable (..)
                             )
import Data.WrapAround
import ResourceTracker
import GHC.Float
import Combat
import Data.Maybe
import SpaceJunk
import Common ( Velocity )

radius = 15.0

damage = 100.0

data Asteroid = Asteroid { center :: WP
                         , velocity :: Velocity
                         , wmap :: WM
                         , rt :: RT
                         }

new :: ResourceTracker -> WM -> WP -> Velocity -> Asteroid
new a b c d = Asteroid { center = c
                       , velocity = d
                       , wmap = b
                       , rt = a
                       }

instance Animation Asteroid where
  image self _ = protectedGetImage (rt self) "asteroid.bmp"

instance Locatable Asteroid where
  center = Asteroid.center

instance Moving Asteroid where
  velocity = Asteroid.velocity

instance Colliding Asteroid where
  collisionRadius _ = radius

instance InternallyUpdating Asteroid where

  preUpdate s _ = s

  postUpdate s t = s { center = newLocation' s (wmap s) t }

instance Damageable Asteroid where

  inflictDamage = const

instance Damaging Asteroid where

  damageEnergy _ = damage