comments

crates/bevy_text/src/font_atlas_set.rs

@@ -76,11 +76,13 @@ impl FontAtlasSet {
             )
         };
         if !font_atlases.iter_mut().any(add_char_to_font_atlas) {
-            let glyph_max_size = glyph_texture
+            // Find the largest dimension of the glyph, either its width or its height
+            let glyph_max_size: u32 = glyph_texture
                 .texture_descriptor
                 .size
                 .height
                 .max(glyph_texture.texture_descriptor.size.width);
+            // Pick the smaller 2^n value greather than glyph_max_size, and at least 512
             let containing = (1u32 << (32 - glyph_max_size.leading_zeros())).max(512) as f32;
             font_atlases.push(FontAtlas::new(
                 textures,