144 lines
4.1 KiB
C++
144 lines
4.1 KiB
C++
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2012, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file aiVector3D.h
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* @brief 3D vector structure, including operators when compiling in C++
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*/
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#ifndef AI_VECTOR3D_H_INC
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#define AI_VECTOR3D_H_INC
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#include <math.h>
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#include "./Compiler/pushpack1.h"
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#ifdef __cplusplus
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template<typename TReal> class aiMatrix3x3t;
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template<typename TReal> class aiMatrix4x4t;
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// ---------------------------------------------------------------------------
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/** Represents a three-dimensional vector. */
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template <typename TReal>
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class aiVector3t
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{
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public:
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aiVector3t () : x(), y(), z() {}
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aiVector3t (TReal _x, TReal _y, TReal _z) : x(_x), y(_y), z(_z) {}
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explicit aiVector3t (TReal _xyz) : x(_xyz), y(_xyz), z(_xyz) {}
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aiVector3t (const aiVector3t& o) : x(o.x), y(o.y), z(o.z) {}
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public:
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// combined operators
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const aiVector3t& operator += (const aiVector3t& o);
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const aiVector3t& operator -= (const aiVector3t& o);
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const aiVector3t& operator *= (TReal f);
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const aiVector3t& operator /= (TReal f);
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// transform vector by matrix
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aiVector3t& operator *= (const aiMatrix3x3t<TReal>& mat);
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aiVector3t& operator *= (const aiMatrix4x4t<TReal>& mat);
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// access a single element
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TReal operator[](unsigned int i) const;
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TReal& operator[](unsigned int i);
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// comparison
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bool operator== (const aiVector3t& other) const;
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bool operator!= (const aiVector3t& other) const;
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template <typename TOther>
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operator aiVector3t<TOther> () const;
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public:
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/** @brief Set the components of a vector
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* @param pX X component
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* @param pY Y component
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* @param pZ Z component */
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void Set( TReal pX, TReal pY, TReal pZ);
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/** @brief Get the squared length of the vector
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* @return Square length */
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TReal SquareLength() const;
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/** @brief Get the length of the vector
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* @return length */
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TReal Length() const;
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/** @brief Normalize the vector */
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aiVector3t& Normalize();
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/** @brief Componentwise multiplication of two vectors
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*
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* Note that vec*vec yields the dot product.
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* @param o Second factor */
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const aiVector3t SymMul(const aiVector3t& o);
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TReal x, y, z;
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} PACK_STRUCT;
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typedef aiVector3t<float> aiVector3D;
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#else
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struct aiVector3D {
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float x,y,z;
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} PACK_STRUCT;
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#endif // __cplusplus
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#include "./Compiler/poppack1.h"
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#ifdef __cplusplus
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#endif // __cplusplus
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#endif // AI_VECTOR3D_H_INC
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