初始化内容

third/JoltPhysics/Samples/Tests/General/ChangeObjectLayerTest.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 <Tests/Test.h>
+#include <Jolt/Physics/Body/BodyID.h>
+
+class ChangeObjectLayerTest : public Test
+{
+public:
+	JPH_DECLARE_RTTI_VIRTUAL(JPH_NO_EXPORT, ChangeObjectLayerTest)
+
+	// Description of the test
+	virtual const char *	GetDescription() const override
+	{
+		return	"Demonstrates how to use layers to disable collisions with other objects and how to change layers on the fly.\n"
+				"The small cubes will switch between the MOVING layer and the DEBRIS layer (debris only collides with the static floor).";
+	}
+
+	// Initialize the test
+	virtual void			Initialize() override;
+
+	// Update the test, called before the physics update
+	virtual void			PrePhysicsUpdate(const PreUpdateParams &inParams) override;
+
+	// Saving / restoring state for replay
+	virtual void			SaveState(StateRecorder &inStream) const override;
+	virtual void			RestoreState(StateRecorder &inStream) override;
+
+private:
+	BodyID					mMoving;
+	BodyIDVector			mDebris;
+	bool					mIsDebris = true;
+	float					mTime = 0.0f;
+};