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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_CENTER_EXTENTS_H
#define GU_CENTER_EXTENTS_H
/** \addtogroup geomutils
@{
*/
#include "CmMatrix34.h"
#include "CmUtils.h"
#include "PsUserAllocated.h"
namespace physx
{
namespace Gu
{
class CenterExtents : public physx::shdfnd::UserAllocated
{
public:
PX_FORCE_INLINE CenterExtents() {}
PX_FORCE_INLINE CenterExtents(const PxBounds3& b) { mCenter = b.getCenter(); mExtents = b.getExtents(); }
PX_FORCE_INLINE ~CenterExtents() {}
PX_FORCE_INLINE void getMin(PxVec3& min) const { min = mCenter - mExtents; }
PX_FORCE_INLINE void getMax(PxVec3& max) const { max = mCenter + mExtents; }
PX_FORCE_INLINE float getMin(PxU32 axis) const { return mCenter[axis] - mExtents[axis]; }
PX_FORCE_INLINE float getMax(PxU32 axis) const { return mCenter[axis] + mExtents[axis]; }
PX_FORCE_INLINE PxVec3 getMin() const { return mCenter - mExtents; }
PX_FORCE_INLINE PxVec3 getMax() const { return mCenter + mExtents; }
PX_FORCE_INLINE void setMinMax(const PxVec3& min, const PxVec3& max)
{
mCenter = (max + min)*0.5f;
mExtents = (max - min)*0.5f;
}
PX_FORCE_INLINE PxU32 isInside(const CenterExtents& box) const
{
if(box.getMin(0)>getMin(0)) return 0;
if(box.getMin(1)>getMin(1)) return 0;
if(box.getMin(2)>getMin(2)) return 0;
if(box.getMax(0)<getMax(0)) return 0;
if(box.getMax(1)<getMax(1)) return 0;
if(box.getMax(2)<getMax(2)) return 0;
return 1;
}
PX_FORCE_INLINE void setEmpty()
{
mExtents = PxVec3(-PX_MAX_BOUNDS_EXTENTS);
}
PX_FORCE_INLINE bool isEmpty() const
{
return Cm::isEmpty(mCenter, mExtents);
}
PX_FORCE_INLINE bool isFinite() const
{
return mCenter.isFinite() && mExtents.isFinite();
}
PX_FORCE_INLINE bool isValid() const
{
return Cm::isValid(mCenter, mExtents);
}
PX_FORCE_INLINE PxBounds3 transformFast(const PxMat33& matrix) const
{
PX_ASSERT(isValid());
return PxBounds3::basisExtent(matrix * mCenter, matrix, mExtents);
}
PX_INLINE PxBounds3 transformSafe(const Cm::Matrix34& matrix) const
{
if(isEmpty())
return PxBounds3::centerExtents(mCenter, mExtents);
else
return Cm::basisExtent(matrix.transform(mCenter), matrix.m.column0, matrix.m.column1, matrix.m.column2, mExtents);
}
PxVec3 mCenter;
PxVec3 mExtents;
};
//! A padded version of CenterExtents, to safely load its data using SIMD
class CenterExtentsPadded : public CenterExtents
{
public:
PX_FORCE_INLINE CenterExtentsPadded() {}
PX_FORCE_INLINE ~CenterExtentsPadded() {}
PxU32 padding;
};
PX_COMPILE_TIME_ASSERT(sizeof(CenterExtentsPadded) == 7*4);
}
}
/** @} */
#endif
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