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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA Corporation is strictly prohibited.
//
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// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
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// NVIDIA Corporation.
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// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  

#include "SampleCCTJump.h"

using namespace physx;

static PxF32 gJumpGravity = -50.0f;

Jump::Jump() :
	mV0			(0.0f),
	mJumpTime	(0.0f),
	mJump		(false)
{
}

void Jump::startJump(PxF32 v0)
{
	if(mJump)	return;
	mJumpTime = 0.0f;
	mV0	= v0;
	mJump = true;
}

void Jump::stopJump()
{
	if(!mJump)	return;
	mJump = false;
//mJumpTime = 0.0f;
//mV0	= 0.0f;
}

PxF32 Jump::getHeight(PxF32 elapsedTime)
{
	if(!mJump)	return 0.0f;
	mJumpTime += elapsedTime;
	const PxF32 h = gJumpGravity*mJumpTime*mJumpTime + mV0*mJumpTime;
	return h*elapsedTime;
}