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authorgit perforce import user <a@b>2016-10-25 12:29:14 -0600
committerSheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees>2016-10-25 18:56:37 -0500
commit3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch)
treefa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PxShared/include/foundation/PxTransform.h
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Initial commit:
PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @ 21275617 [CL 21300167]
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+// 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