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physx/samples/samplevehicle/SampleVehicle_CameraController.h

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+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
+
+
+#ifndef SAMPLE_VEHICLE_CAMERA_CONTROLLER_H
+#define SAMPLE_VEHICLE_CAMERA_CONTROLLER_H
+
+#include "common/PxPhysXCommonConfig.h"
+#include "foundation/PxVec3.h"
+#include "foundation/PxTransform.h"
+
+using namespace physx;
+
+namespace physx
+{
+	class PxScene;
+	class PxVehicleWheels;
+	class PxRigidDynamic;
+}
+
+class Camera;
+
+class SampleVehicle_CameraController 
+{
+public:
+
+	SampleVehicle_CameraController();
+	~SampleVehicle_CameraController();
+
+	void setInputs(const PxF32 rotateInputY, const PxF32 rotateInputZ)
+	{
+		mRotateInputY=rotateInputY;
+		mRotateInputZ=rotateInputZ;
+	}
+
+	void update(const PxF32 dtime, const PxVehicleWheels& focusVehicle, PxScene& scene);
+
+	void restart() {}
+
+	bool getIsLockedOnVehicleTransform() const {return mLockOnFocusVehTransform;}
+	void toggleLockOnVehTransform() {mLockOnFocusVehTransform = !mLockOnFocusVehTransform;}
+	
+	const PxVec3& getCameraPos() const {return mCameraPos;}
+	const PxVec3& getCameraTar() const {return mCameraTargetPos;}
+
+private:
+
+	PxF32			mRotateInputY;
+	PxF32			mRotateInputZ;
+
+	PxF32			mMaxCameraRotateSpeed;
+	PxF32			mCameraRotateAngleY;
+	PxF32			mCameraRotateAngleZ;
+	PxVec3			mCameraPos;
+	PxVec3			mCameraTargetPos;
+	PxVec3			mLastCarPos;
+	PxVec3			mLastCarVelocity;
+	bool			mCameraInit;
+
+	bool			mLockOnFocusVehTransform;
+	PxTransform		mLastFocusVehTransform;
+
+	void update(const PxReal dtime, const PxRigidDynamic* actor, PxScene& scene);
+};
+
+#endif //SAMPLE_VEHICLE_CAMERA_CONTROLLER_H