From e0071b41d4098ae16ec8ca8f874b8334b044f081 Mon Sep 17 00:00:00 2001
From: Alex Goot <18817313320@163.com>
Date: Mon, 17 Jun 2024 21:21:43 +0800
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---
 docs/intermediate/tutorial12-camera/index.md | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/docs/intermediate/tutorial12-camera/index.md b/docs/intermediate/tutorial12-camera/index.md
index 2cdeda35b..fbe5b3907 100644
--- a/docs/intermediate/tutorial12-camera/index.md
+++ b/docs/intermediate/tutorial12-camera/index.md
@@ -239,8 +239,19 @@ mod camera; // 新增!
 
 ```rust
 
+struct CameraUniform {
+    view_position: [f32; 4],
+    view_proj: [[f32; 4]; 4],
+}
+
 impl CameraUniform {
-    // ...
+
+    fn new() -> Self {
+        Self {
+            view_position: [0.0; 4],
+            view_proj: glam::Mat4::IDENTITY.to_cols_array_2d(),
+        }
+    }
 
     // 更新!
     fn update_view_proj(&mut self, camera: &camera::Camera, projection: &camera::Projection) {