Correct the use of FaceDirection

Assets/Code/Components/Components.cs

@@ -102,6 +102,9 @@ public struct SpriteElapsedTime : IComponentData
     public struct FaceDirection : IComponentData
     {
         public sbyte value;
+
+        public readonly int GetFace()
+            => math.select(-1, 1, value > 0);
     }
 
     public struct MoveSpeed : IComponentData

Assets/Code/Systems.Presentation/SyncSpriteRendererSystem.cs

@@ -44,7 +44,7 @@ in SystemAPI.Query<SpriteRendererRef, SpriteIndex, SpriteIndexPrevious, SpriteSh
                 var sprite = sheet.Sprites.Span[index];
                 var renderer = rendererRef.value.Value;
                 renderer.sprite = sprite;
-                renderer.flipX = faceDirection.value > 0;
+                renderer.flipX = faceDirection.GetFace() > 0;
             }
         }
     }

Assets/Code/Systems.Simulation/MoveBackFromOutsideWorldBoundarySystem.cs

@@ -58,7 +58,7 @@ private void Execute(in FaceDirection faceDirection, ref LocalTransform transfor
                 var max = boundary.max;
                 var xToTheRight = math.select(position.x, min.x - padding, position.x > max.x + padding);
                 var xToTheLeft = math.select(position.x, max.x + padding, position.x < min.x - padding);
-                position.x = math.select(xToTheLeft, xToTheRight, faceDirection.value > 0);
+                position.x = math.select(xToTheLeft, xToTheRight, faceDirection.GetFace() > 0);
 
                 transform.Position = position;
             }

Assets/Code/Systems.Simulation/MoveSystem.cs

@@ -47,7 +47,7 @@ in MoveSpeed moveSpeed
                 , ref LocalTransform transform
             )
             {
-                transform.Position += new float3(moveSpeed.value * deltaTime, 0f, 0f) * faceDirection.value;
+                transform.Position += new float3(moveSpeed.value * deltaTime, 0f, 0f) * faceDirection.GetFace();
             }
         }
     }