From 02c1238dc87d319b198a110b9d4d6551927753ee Mon Sep 17 00:00:00 2001
From: Stepan Koltsov <stepan.koltsov@gmail.com>
Date: Sun, 10 Dec 2023 17:37:18 +0000
Subject: [PATCH] Explain how Circle mesh is generated

---
 crates/bevy_render/src/mesh/shape/regular_polygon.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crates/bevy_render/src/mesh/shape/regular_polygon.rs b/crates/bevy_render/src/mesh/shape/regular_polygon.rs
index c2e86368b15f3..879c59fabd11e 100644
--- a/crates/bevy_render/src/mesh/shape/regular_polygon.rs
+++ b/crates/bevy_render/src/mesh/shape/regular_polygon.rs
@@ -50,6 +50,8 @@ impl From<RegularPolygon> for Mesh {
 
         let mut indices = Vec::with_capacity((sides - 2) * 3);
         for i in 1..(sides as u32 - 1) {
+            // Vertices are generated in CW order above, hence the reversed indices here
+            // to emit triangle vertices in CCW order.
             indices.extend_from_slice(&[0, i + 1, i]);
         }