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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PxShared/include/foundation/PxTransform.h | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PxShared/include/foundation/PxTransform.h')
| -rw-r--r-- | PxShared/include/foundation/PxTransform.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/PxShared/include/foundation/PxTransform.h b/PxShared/include/foundation/PxTransform.h new file mode 100644 index 00000000..cffc1d3e --- /dev/null +++ b/PxShared/include/foundation/PxTransform.h @@ -0,0 +1,215 @@ +// 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. +// +// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES +// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO +// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, +// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. +// +// Information and code furnished is believed to be accurate and reliable. +// 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 +// components in life support devices or systems without express written approval of +// NVIDIA Corporation. +// +// Copyright (c) 2008-2016 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 PXFOUNDATION_PXTRANSFORM_H +#define PXFOUNDATION_PXTRANSFORM_H +/** \addtogroup foundation + @{ +*/ + +#include "foundation/PxQuat.h" +#include "foundation/PxPlane.h" + +#if !PX_DOXYGEN +namespace physx +{ +#endif + +/*! +\brief class representing a rigid euclidean transform as a quaternion and a vector +*/ + +class PxTransform +{ + public: + PxQuat q; + PxVec3 p; + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxTransform() + { + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE explicit PxTransform(const PxVec3& position) : q(PxIdentity), p(position) + { + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE explicit PxTransform(PxIDENTITY r) : q(PxIdentity), p(PxZero) + { + PX_UNUSED(r); + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE explicit PxTransform(const PxQuat& orientation) : q(orientation), p(0) + { + PX_ASSERT(orientation.isSane()); + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxTransform(float x, float y, float z, PxQuat aQ = PxQuat(PxIdentity)) + : q(aQ), p(x, y, z) + { + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxTransform(const PxVec3& p0, const PxQuat& q0) : q(q0), p(p0) + { + PX_ASSERT(q0.isSane()); + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE explicit PxTransform(const PxMat44& m); // defined in PxMat44.h + + /** + \brief returns true if the two transforms are exactly equal + */ + PX_CUDA_CALLABLE PX_INLINE bool operator==(const PxTransform& t) const + { + return p == t.p && q == t.q; + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxTransform operator*(const PxTransform& x) const + { + PX_ASSERT(x.isSane()); + return transform(x); + } + + //! Equals matrix multiplication + PX_CUDA_CALLABLE PX_INLINE PxTransform& operator*=(PxTransform& other) + { + *this = *this * other; + return *this; + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxTransform getInverse() const + { + PX_ASSERT(isFinite()); + return PxTransform(q.rotateInv(-p), q.getConjugate()); + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxVec3 transform(const PxVec3& input) const + { + PX_ASSERT(isFinite()); + return q.rotate(input) + p; + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxVec3 transformInv(const PxVec3& input) const + { + PX_ASSERT(isFinite()); + return q.rotateInv(input - p); + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxVec3 rotate(const PxVec3& input) const + { + PX_ASSERT(isFinite()); + return q.rotate(input); + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxVec3 rotateInv(const PxVec3& input) const + { + PX_ASSERT(isFinite()); + return q.rotateInv(input); + } + + //! Transform transform to parent (returns compound transform: first src, then *this) + PX_CUDA_CALLABLE PX_FORCE_INLINE PxTransform transform(const PxTransform& src) const + { + PX_ASSERT(src.isSane()); + PX_ASSERT(isSane()); + // src = [srct, srcr] -> [r*srct + t, r*srcr] + return PxTransform(q.rotate(src.p) + p, q * src.q); + } + + /** + \brief returns true if finite and q is a unit quaternion + */ + + PX_CUDA_CALLABLE bool isValid() const + { + return p.isFinite() && q.isFinite() && q.isUnit(); + } + + /** + \brief returns true if finite and quat magnitude is reasonably close to unit to allow for some accumulation of error + vs isValid + */ + + PX_CUDA_CALLABLE bool isSane() const + { + return isFinite() && q.isSane(); + } + + /** + \brief returns true if all elems are finite (not NAN or INF, etc.) + */ + PX_CUDA_CALLABLE PX_FORCE_INLINE bool isFinite() const + { + return p.isFinite() && q.isFinite(); + } + + //! Transform transform from parent (returns compound transform: first src, then this->inverse) + PX_CUDA_CALLABLE PX_FORCE_INLINE PxTransform transformInv(const PxTransform& src) const + { + PX_ASSERT(src.isSane()); + PX_ASSERT(isFinite()); + // src = [srct, srcr] -> [r^-1*(srct-t), r^-1*srcr] + PxQuat qinv = q.getConjugate(); + return PxTransform(qinv.rotate(src.p - p), qinv * src.q); + } + + /** + \brief transform plane + */ + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxPlane transform(const PxPlane& plane) const + { + PxVec3 transformedNormal = rotate(plane.n); + return PxPlane(transformedNormal, plane.d - p.dot(transformedNormal)); + } + + /** + \brief inverse-transform plane + */ + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxPlane inverseTransform(const PxPlane& plane) const + { + PxVec3 transformedNormal = rotateInv(plane.n); + return PxPlane(transformedNormal, plane.d + p.dot(plane.n)); + } + + /** + \brief return a normalized transform (i.e. one in which the quaternion has unit magnitude) + */ + PX_CUDA_CALLABLE PX_FORCE_INLINE PxTransform getNormalized() const + { + return PxTransform(p, q.getNormalized()); + } +}; + +#if !PX_DOXYGEN +} // namespace physx +#endif + +/** @} */ +#endif // #ifndef PXFOUNDATION_PXTRANSFORM_H |