From a29aed2803a00bf893adfcb6549244ade64462bc Mon Sep 17 00:00:00 2001
From: atdunbg <atdunbg@qq.com>
Date: Wed, 23 Sep 2026 13:11:29 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20Pause=20Animation=20=E5=BC=80=E5=85=B3?=
 =?UTF-8?q?=EF=BC=88=E5=B8=A7=E5=8E=86=E5=8F=B2=20diff=20=E5=86=BB?=
 =?UTF-8?q?=E7=BB=93=E9=AA=8C=E8=AF=81=E7=94=A8=EF=BC=89?=
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---
 App/main.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/App/main.cpp b/App/main.cpp
index b221b4e..a159d8c 100644
--- a/App/main.cpp
+++ b/App/main.cpp
@@ -101,7 +101,12 @@ protected:
 
     void OnUpdate(f32 deltaTime) override
     {
-        m_Time += deltaTime;
+        // 暂停时冻结动画时钟（帧历史验证：暂停后 Temporal Diff
+        // 视图应在 2 帧内整屏变黑；相机移动同样会被 diff 捕捉到）
+        if (!m_PauseAnim)
+        {
+            m_Time += deltaTime;
+        }
 
         // 相机（WASD/Space/Shift 移动）
         m_Camera.GetComponent<CameraComponent>()
@@ -172,6 +177,7 @@ protected:
         {
             renderer.SetShowTemporalDiff(temporalDiff);
         }
+        ImGui::Checkbox("Pause Animation", &m_PauseAnim);
 
         // Pass 级 GPU 耗时（RG timestamp）
         ImGui::Separator();
@@ -286,6 +292,7 @@ private:
     EntityHandle m_KeyLight{};
     std::vector<EntityHandle> m_Spinners;
     f32 m_Time = 0.0f;
+    bool m_PauseAnim = false;   // 冻结动画时钟（帧历史 diff 验证用）
 };
 
 int main()