初始化内容

third/JoltPhysics/TestFramework/UI/UIVerticalStack.h

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+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include <UI/UIElement.h>
+
+/// Layout class that will automatically layout child elements vertically, stacking them
+class UIVerticalStack : public UIElement
+{
+public:
+	JPH_DECLARE_RTTI_VIRTUAL(JPH_NO_EXPORT, UIVerticalStack)
+
+	/// Calculate auto layout
+	virtual void		AutoLayout() override;
+
+private:
+	int					mDeltaY = 0;
+	bool				mPlaceInvisibleChildren = false;
+};