physxCAPI/physxCDLL/include/geometry/PxSphereGeometry.h
2023-08-11 10:55:58 +08:00

109 lines
3.3 KiB
C++

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// Copyright (c) 2008-2023 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 PX_SPHERE_GEOMETRY_H
#define PX_SPHERE_GEOMETRY_H
/** \addtogroup geomutils
@{
*/
#include "geometry/PxGeometry.h"
#if !PX_DOXYGEN
namespace physx
{
#endif
/**
\brief A class representing the geometry of a sphere.
Spheres are defined by their radius.
\note The scaling of the sphere is expected to be baked into this value, there is no additional scaling parameter.
*/
class PxSphereGeometry : public PxGeometry
{
public:
/**
\brief Constructor.
*/
PX_INLINE PxSphereGeometry(PxReal ir=0.0f) : PxGeometry(PxGeometryType::eSPHERE), radius(ir) {}
/**
\brief Copy constructor.
\param[in] that Other object
*/
PX_INLINE PxSphereGeometry(const PxSphereGeometry& that) : PxGeometry(that), radius(that.radius) {}
/**
\brief Assignment operator
*/
PX_INLINE void operator=(const PxSphereGeometry& that)
{
mType = that.mType;
radius = that.radius;
}
/**
\brief Returns true if the geometry is valid.
\return True if the current settings are valid
\note A valid sphere has radius > 0.
It is illegal to call PxRigidActor::createShape and PxPhysics::createShape with a sphere that has zero radius.
@see PxRigidActor::createShape, PxPhysics::createShape
*/
PX_INLINE bool isValid() const;
public:
/**
\brief The radius of the sphere.
*/
PxReal radius;
};
PX_INLINE bool PxSphereGeometry::isValid() const
{
if(mType != PxGeometryType::eSPHERE)
return false;
if(!PxIsFinite(radius))
return false;
if(radius <= 0.0f)
return false;
return true;
}
#if !PX_DOXYGEN
} // namespace physx
#endif
/** @} */
#endif