derives for ChunkIndexer
@@ -62,6 +62,7 @@ impl_chunk_shape!(Point3i, [i32; 3]);
/// Translates from lattice coordinates to chunk key space.
///
/// The key for a chunk is the minimum point of that chunk's extent.
+#[derive(Clone, Copy, Debug)]
pub struct ChunkIndexer<N> {
chunk_shape: PointN<N>,
chunk_shape_mask: PointN<N>,
