初始化内容

third/JoltPhysics/Samples/Tests/General/SensorTest.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/Ragdoll/Ragdoll.h>
+
+class SensorTest : public Test, public ContactListener
+{
+public:
+	JPH_DECLARE_RTTI_VIRTUAL(JPH_NO_EXPORT, SensorTest)
+
+	virtual				~SensorTest() override;
+
+	// Description of the test
+	virtual const char *GetDescription() const override
+	{
+		return	"Different types of sensors. See the description of each sensor.";
+	}
+
+	// Number used to scale the terrain and camera movement to the scene
+	virtual float		GetWorldScale() const override		{ return 0.2f; }
+
+	// See: Test
+	virtual void		Initialize() override;
+	virtual void		PrePhysicsUpdate(const PreUpdateParams &inParams) override;
+
+	// If this test implements a contact listener, it should be returned here
+	virtual ContactListener *GetContactListener() override	{ return this; }
+
+	// See: ContactListener
+	virtual void		OnContactAdded(const Body &inBody1, const Body &inBody2, const ContactManifold &inManifold, ContactSettings &ioSettings) override;
+	virtual void		OnContactRemoved(const SubShapeIDPair &inSubShapePair) override;
+
+	// Saving / restoring state for replay
+	virtual void		SaveState(StateRecorder &inStream) const override;
+	virtual void		RestoreState(StateRecorder &inStream) override;
+
+private:
+	float				mTime = 0.0f;						// Total elapsed time
+
+	enum
+	{
+		StaticAttractor,									// A static sensor that attracts dynamic bodies that enter its area
+		StaticSensor,										// A static sensor that only detects active bodies
+		KinematicSensor,									// A kinematic sensor that also detects sleeping bodies
+		SensorDetectingStatic,								// A kinematic sensor that detects static bodies
+		NumSensors
+	};
+
+	BodyID				mSensorID[NumSensors];				// Body ID of the various sensors
+
+	Ref<Ragdoll>		mRagdoll;							// Ragdoll that is falling into the sensor
+
+	BodyID				mKinematicBodyID;					// Body ID of a kinematic body that is animating in and out of the sensor
+
+	Mutex				mMutex;								// Mutex that protects mBodiesInSensor and mKinematicBodyInSensor
+
+	// Structure that keeps track of how many contact point each body has with the sensor
+	struct BodyAndCount
+	{
+		BodyID			mBodyID;
+		int				mCount;
+
+		bool			operator < (const BodyAndCount &inRHS) const { return mBodyID < inRHS.mBodyID; }
+	};
+
+	using BodiesInSensor = Array<BodyAndCount>;
+	BodiesInSensor		mBodiesInSensor[NumSensors];		// Dynamic bodies that are currently inside the sensor
+};