have enemy physics working and applied to enemy

fcore/enemy.sml

@@ -28,16 +28,21 @@ struct
           (* filter out if decrementing health by one = 0 *)
           acc
         else
-          { health = health - 1
-          , x = x
-          , y = y
-          , id = id
-          , xAxis = xAxis
-          , yAxis = yAxis
-          } :: acc
-      else
+          let
+            val patches = EnemyPhysics.getPatches enemy
+            val patches = EnemyPatch.W_HEALTH (health - 1) :: patches
+            val enemy = EnemyPatch.withPatches (enemy, patches)
+          in
             enemy :: acc
           end
+      else
+        let
+          val patches = EnemyPhysics.getPatches enemy
+          val enemy = EnemyPatch.withPatches (enemy, patches)
+        in
+          enemy :: acc
+        end
+    end
 
   (* filter enemy projectiles when player is not attacking *)
   fun filterProjectileCollisions (pos, enemies, projectileTree, acc) =

fcore/game-type.sml

@@ -157,7 +157,7 @@ struct
         , y = 945
         , health = 5
         , xAxis = STAY_STILL
-        , yAxis = ON_GROUND
+        , yAxis = FALLING
         }
       val enemy2 =
         { id = 2
@@ -165,7 +165,7 @@ struct
         , y = 945
         , health = 5
         , xAxis = STAY_STILL
-        , yAxis = ON_GROUND
+        , yAxis = FALLING
         }
       val enemy3 =
         { id = 3
@@ -173,7 +173,7 @@ struct
         , y = 945
         , health = 5
         , xAxis = STAY_STILL
-        , yAxis = ON_GROUND
+        , yAxis = FALLING
         }
       val enemies = Vector.fromList [enemy1, enemy2, enemy3]
     in

oms.mlb

@@ -14,13 +14,13 @@ end
 
 fcore/wall.sml
 fcore/platform.sml
-fcore/enemy.sml
 fcore/game-type.sml
 
 fcore/player-patch.sml
 fcore/enemy-patch.sml
-
 fcore/physics.sml
+
+fcore/enemy.sml
 fcore/player.sml
 fcore/projectile.sml