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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) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef GU_SPHERE_H
#define GU_SPHERE_H
/** \addtogroup geomutils
@{
*/
#include "foundation/PxVec3.h"
#include "CmPhysXCommon.h"
namespace physx
{
/**
\brief Represents a sphere defined by its center point and radius.
*/
namespace Gu
{
class Sphere
{
public:
/**
\brief Constructor
*/
PX_INLINE Sphere()
{
}
/**
\brief Constructor
*/
PX_INLINE Sphere(const PxVec3& _center, PxF32 _radius) : center(_center), radius(_radius)
{
}
/**
\brief Copy constructor
*/
PX_INLINE Sphere(const Sphere& sphere) : center(sphere.center), radius(sphere.radius)
{
}
/**
\brief Destructor
*/
PX_INLINE ~Sphere()
{
}
PX_INLINE void set(const PxVec3& _center, float _radius) { center = _center; radius = _radius; }
/**
\brief Checks the sphere is valid.
\return true if the sphere is valid
*/
PX_INLINE bool isValid() const
{
// Consistency condition for spheres: Radius >= 0.0f
return radius >= 0.0f;
}
/**
\brief Tests if a point is contained within the sphere.
\param[in] p the point to test
\return true if inside the sphere
*/
PX_INLINE bool contains(const PxVec3& p) const
{
return (center-p).magnitudeSquared() <= radius*radius;
}
PxVec3 center; //!< Sphere's center
PxF32 radius; //!< Sphere's radius
};
}
}
/** @} */
#endif
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