124 lines
4.5 KiB
C++
124 lines
4.5 KiB
C++
// 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) 2008-2025 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
|
|
|
|
|
|
#include "foundation/PxUserAllocated.h"
|
|
#include "foundation/PxBounds3.h"
|
|
|
|
namespace physx
|
|
{
|
|
namespace Gu
|
|
{
|
|
class CenterExtents : public physx::PxUserAllocated
|
|
{
|
|
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
|
|
{
|
|
PX_ASSERT(isValid());
|
|
return mExtents.x<0.0f;
|
|
}
|
|
|
|
PX_FORCE_INLINE bool isFinite() const
|
|
{
|
|
return mCenter.isFinite() && mExtents.isFinite();
|
|
}
|
|
|
|
PX_FORCE_INLINE bool isValid() const
|
|
{
|
|
const PxVec3& c = mCenter;
|
|
const PxVec3& e = mExtents;
|
|
return (c.isFinite() && e.isFinite() && (((e.x >= 0.0f) && (e.y >= 0.0f) && (e.z >= 0.0f)) ||
|
|
((e.x == -PX_MAX_BOUNDS_EXTENTS) &&
|
|
(e.y == -PX_MAX_BOUNDS_EXTENTS) &&
|
|
(e.z == -PX_MAX_BOUNDS_EXTENTS))));
|
|
}
|
|
|
|
PX_FORCE_INLINE PxBounds3 transformFast(const PxMat33& matrix) const
|
|
{
|
|
PX_ASSERT(isValid());
|
|
return PxBounds3::basisExtent(matrix * mCenter, matrix, 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
|