Support line of sight with different masks.

src/Murder/Services/PhysicsServices.cs

@@ -203,16 +203,21 @@ public static bool RaycastTiles(World world, Vector2 startPosition, Vector2 endP
  return false;
  }
 
- public static bool HasLineOfSight(World world, Vector2 from, Vector2 to)
+ public static bool HasLineOfSight(World world, Vector2 from, Vector2 to, int mask)
  {
- if (Raycast(world, from, to, CollisionLayersBase.BLOCK_VISION, [], out RaycastHit hit))
+ if (Raycast(world, from, to, mask, [], out RaycastHit hit))
  {
  return false;
  }
 
  return true;
  }
 
+ public static bool HasLineOfSight(World world, Vector2 from, Vector2 to)
+ {
+ return HasLineOfSight(world, from, to, CollisionLayersBase.BLOCK_VISION);
+ }
+
  /// <summary>
  /// Returns whether <paramref name="from"/> an see an entity <paramref name="targetEntityId"/> before
  /// it gets to <paramref name="to"/>.