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author | Juan J. Martinez <jjm@usebox.net> | 2023-04-25 22:18:54 +0100 |
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committer | Juan J. Martinez <jjm@usebox.net> | 2023-04-25 22:18:54 +0100 |
commit | 1cd60a951b2c2f83b927a6b6961cbd3206bf5316 (patch) | |
tree | 59861ba4125ed15ff8711ccd55e4b5a24fd3235c /src/Game/Entities/Common.hs | |
parent | a5ac165b1e9adbdf459ebc9df42edc024389e9b8 (diff) | |
download | space-plat-hs-1cd60a951b2c2f83b927a6b6961cbd3206bf5316.tar.gz space-plat-hs-1cd60a951b2c2f83b927a6b6961cbd3206bf5316.zip |
Added "tracker" enemy
Diffstat (limited to 'src/Game/Entities/Common.hs')
-rw-r--r-- | src/Game/Entities/Common.hs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/Game/Entities/Common.hs b/src/Game/Entities/Common.hs index eb84400..8fa7fe3 100644 --- a/src/Game/Entities/Common.hs +++ b/src/Game/Entities/Common.hs @@ -3,6 +3,7 @@ module Game.Entities.Common frameLimit, collision, inLine, + facingLower, updateFrame, updateGravity, turn, @@ -54,6 +55,18 @@ inLine playerRef otherHeight other = do || (other.dir == DirRight && player.x > other.x) ) +-- | Check if the entity is facing the player and it is in a lower plarform. +facingLower :: IORef Entity -> Collision +facingLower playerRef other = do + player <- readIORef playerRef + pure $ + player.typ == TypePlayer + && player.gravity == gravityOff + && player.y < other.y + && ( (other.dir == DirLeft && player.x < other.x) + || (other.dir == DirRight && player.x > other.x) + ) + -- | Update frame animation for entities that have direction. updateFrame :: Bool -> Entity -> Entity updateFrame updated e |