1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/assimp/assimp/quaternion.h	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,124 @@
     1.4 +/*
     1.5 +Open Asset Import Library (assimp)
     1.6 +----------------------------------------------------------------------
     1.7 +
     1.8 +Copyright (c) 2006-2012, assimp team
     1.9 +All rights reserved.
    1.10 +
    1.11 +Redistribution and use of this software in source and binary forms, 
    1.12 +with or without modification, are permitted provided that the 
    1.13 +following conditions are met:
    1.14 +
    1.15 +* Redistributions of source code must retain the above
    1.16 +  copyright notice, this list of conditions and the
    1.17 +  following disclaimer.
    1.18 +
    1.19 +* Redistributions in binary form must reproduce the above
    1.20 +  copyright notice, this list of conditions and the
    1.21 +  following disclaimer in the documentation and/or other
    1.22 +  materials provided with the distribution.
    1.23 +
    1.24 +* Neither the name of the assimp team, nor the names of its
    1.25 +  contributors may be used to endorse or promote products
    1.26 +  derived from this software without specific prior
    1.27 +  written permission of the assimp team.
    1.28 +
    1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
    1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
    1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
    1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
    1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
    1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
    1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
    1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.40 +
    1.41 +----------------------------------------------------------------------
    1.42 +*/
    1.43 +
    1.44 +/** @file quaternion.h
    1.45 + *  @brief Quaternion structure, including operators when compiling in C++
    1.46 + */
    1.47 +#ifndef AI_QUATERNION_H_INC
    1.48 +#define AI_QUATERNION_H_INC
    1.49 +
    1.50 +#ifdef __cplusplus
    1.51 +
    1.52 +template <typename TReal> class aiVector3t;
    1.53 +template <typename TReal> class aiMatrix3x3t;
    1.54 +
    1.55 +// ---------------------------------------------------------------------------
    1.56 +/** Represents a quaternion in a 4D vector. */
    1.57 +template <typename TReal>
    1.58 +class aiQuaterniont
    1.59 +{
    1.60 +public:
    1.61 +	aiQuaterniont() : w(), x(), y(), z() {}
    1.62 +	aiQuaterniont(TReal pw, TReal px, TReal py, TReal pz) 
    1.63 +		: w(pw), x(px), y(py), z(pz) {}
    1.64 +
    1.65 +	/** Construct from rotation matrix. Result is undefined if the matrix is not orthonormal. */
    1.66 +	aiQuaterniont( const aiMatrix3x3t<TReal>& pRotMatrix);
    1.67 +
    1.68 +	/** Construct from euler angles */
    1.69 +	aiQuaterniont( TReal rotx, TReal roty, TReal rotz);
    1.70 +
    1.71 +	/** Construct from an axis-angle pair */
    1.72 +	aiQuaterniont( aiVector3t<TReal> axis, TReal angle);
    1.73 +
    1.74 +	/** Construct from a normalized quaternion stored in a vec3 */
    1.75 +	aiQuaterniont( aiVector3t<TReal> normalized);
    1.76 +
    1.77 +	/** Returns a matrix representation of the quaternion */
    1.78 +	aiMatrix3x3t<TReal> GetMatrix() const;
    1.79 +
    1.80 +public:
    1.81 +
    1.82 +	bool operator== (const aiQuaterniont& o) const;
    1.83 +	bool operator!= (const aiQuaterniont& o) const;
    1.84 +
    1.85 +public:
    1.86 +
    1.87 +	/** Normalize the quaternion */
    1.88 +	aiQuaterniont& Normalize();
    1.89 +
    1.90 +	/** Compute quaternion conjugate */
    1.91 +	aiQuaterniont& Conjugate ();
    1.92 +
    1.93 +	/** Rotate a point by this quaternion */
    1.94 +	aiVector3t<TReal> Rotate (const aiVector3t<TReal>& in);
    1.95 +
    1.96 +	/** Multiply two quaternions */
    1.97 +	aiQuaterniont operator* (const aiQuaterniont& two) const;
    1.98 +
    1.99 +public:
   1.100 +
   1.101 +	/** Performs a spherical interpolation between two quaternions and writes the result into the third.
   1.102 +	 * @param pOut Target object to received the interpolated rotation.
   1.103 +	 * @param pStart Start rotation of the interpolation at factor == 0.
   1.104 +	 * @param pEnd End rotation, factor == 1.
   1.105 +	 * @param pFactor Interpolation factor between 0 and 1. Values outside of this range yield undefined results.
   1.106 +	 */
   1.107 +	static void Interpolate( aiQuaterniont& pOut, const aiQuaterniont& pStart, 
   1.108 +		const aiQuaterniont& pEnd, TReal pFactor);
   1.109 +
   1.110 +public:
   1.111 +
   1.112 +	//! w,x,y,z components of the quaternion
   1.113 +	TReal w, x, y, z;	
   1.114 +} ;
   1.115 +
   1.116 +typedef aiQuaterniont<float> aiQuaternion;
   1.117 +
   1.118 +#else
   1.119 +
   1.120 +struct aiQuaternion {
   1.121 +	float w, x, y, z;	
   1.122 +};
   1.123 +
   1.124 +#endif
   1.125 +
   1.126 +
   1.127 +#endif // AI_QUATERNION_H_INC