JoltPhysics/Samples/Tests/General/ChangeObjectLayerTest.h

// 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;
};