diff options
author | Paul Lemire <paul.lemire@kdab.com> | 2014-03-24 08:13:42 +0100 |
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committer | Sean Harmer <sean.harmer@kdab.com> | 2014-03-25 10:15:49 +0100 |
commit | 40bf98aeaf22bbeb50fdb2b227c3b9926b7c5eae (patch) | |
tree | 8a41a63dc4498d20148518aa3ce49dcabad8ddce /src/3rdparty/assimp/include/assimp/quaternion.h | |
parent | cdb819b2293409046639899a52ee852107b39cd0 (diff) |
Updated Assimp library to the latest version 1270
SVNRevision 1270
assimp--3.0.1270-source-only.zip
Change-Id: I332efb5fd0d086f24aca0a5fe9d396d549e531fa
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Diffstat (limited to 'src/3rdparty/assimp/include/assimp/quaternion.h')
-rw-r--r-- | src/3rdparty/assimp/include/assimp/quaternion.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/3rdparty/assimp/include/assimp/quaternion.h b/src/3rdparty/assimp/include/assimp/quaternion.h new file mode 100644 index 000000000..580e1410c --- /dev/null +++ b/src/3rdparty/assimp/include/assimp/quaternion.h @@ -0,0 +1,124 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2012, assimp team +All rights reserved. + +Redistribution and use of this software 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 the assimp team, nor the names of its + contributors may be used to endorse or promote products + derived from this software without specific prior + written permission of the assimp team. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"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. + +---------------------------------------------------------------------- +*/ + +/** @file quaternion.h + * @brief Quaternion structure, including operators when compiling in C++ + */ +#ifndef AI_QUATERNION_H_INC +#define AI_QUATERNION_H_INC + +#ifdef __cplusplus + +template <typename TReal> class aiVector3t; +template <typename TReal> class aiMatrix3x3t; + +// --------------------------------------------------------------------------- +/** Represents a quaternion in a 4D vector. */ +template <typename TReal> +class aiQuaterniont +{ +public: + aiQuaterniont() : w(), x(), y(), z() {} + aiQuaterniont(TReal w, TReal x, TReal y, TReal z) + : w(w), x(x), y(y), z(z) {} + + /** Construct from rotation matrix. Result is undefined if the matrix is not orthonormal. */ + aiQuaterniont( const aiMatrix3x3t<TReal>& pRotMatrix); + + /** Construct from euler angles */ + aiQuaterniont( TReal rotx, TReal roty, TReal rotz); + + /** Construct from an axis-angle pair */ + aiQuaterniont( aiVector3t<TReal> axis, TReal angle); + + /** Construct from a normalized quaternion stored in a vec3 */ + aiQuaterniont( aiVector3t<TReal> normalized); + + /** Returns a matrix representation of the quaternion */ + aiMatrix3x3t<TReal> GetMatrix() const; + +public: + + bool operator== (const aiQuaterniont& o) const; + bool operator!= (const aiQuaterniont& o) const; + +public: + + /** Normalize the quaternion */ + aiQuaterniont& Normalize(); + + /** Compute quaternion conjugate */ + aiQuaterniont& Conjugate (); + + /** Rotate a point by this quaternion */ + aiVector3t<TReal> Rotate (const aiVector3t<TReal>& in); + + /** Multiply two quaternions */ + aiQuaterniont operator* (const aiQuaterniont& two) const; + +public: + + /** Performs a spherical interpolation between two quaternions and writes the result into the third. + * @param pOut Target object to received the interpolated rotation. + * @param pStart Start rotation of the interpolation at factor == 0. + * @param pEnd End rotation, factor == 1. + * @param pFactor Interpolation factor between 0 and 1. Values outside of this range yield undefined results. + */ + static void Interpolate( aiQuaterniont& pOut, const aiQuaterniont& pStart, + const aiQuaterniont& pEnd, TReal pFactor); + +public: + + //! w,x,y,z components of the quaternion + TReal w, x, y, z; +} ; + +typedef aiQuaterniont<float> aiQuaternion; + +#else + +struct aiQuaternion { + float w, x, y, z; +}; + +#endif + + +#endif // AI_QUATERNION_H_INC |