cleanup

src/voxels/Chunk.hpp

@@ -11,6 +11,7 @@
 #include "maths/aabb.hpp"
 #include "voxel.hpp"
 
+/// @brief Total bytes number of chunk voxel data
 inline constexpr int CHUNK_DATA_LEN = CHUNK_VOL * 4;
 
 class ContentReport;
@@ -45,8 +46,7 @@ public:
 
     Chunk(int x, int z);
 
-    bool isEmpty() const;
-
+    /// @brief Refresh `bottom` and `top` values
     void updateHeights();
 
     // unused