From 2a487a741e4a696995401755db34afcd66539d5b Mon Sep 17 00:00:00 2001
From: singlecoder <singlecoder2014@gmail.com>
Date: Tue, 12 Oct 2021 19:09:15 +0800
Subject: [PATCH] fix(plane): fix cull face (#537)

---
 packages/core/src/mesh/PrimitiveMesh.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/core/src/mesh/PrimitiveMesh.ts b/packages/core/src/mesh/PrimitiveMesh.ts
index 5ce2f20e07..ab9bb2b808 100644
--- a/packages/core/src/mesh/PrimitiveMesh.ts
+++ b/packages/core/src/mesh/PrimitiveMesh.ts
@@ -274,12 +274,12 @@ export class PrimitiveMesh {
       const c = a + horizontalCount;
       const d = c + 1;
 
-      indices[offset++] = b;
-      indices[offset++] = c;
       indices[offset++] = a;
+      indices[offset++] = c;
       indices[offset++] = b;
-      indices[offset++] = d;
       indices[offset++] = c;
+      indices[offset++] = d;
+      indices[offset++] = b;
     }
 
     const { bounds } = mesh;