nuclear@0: /*
nuclear@0: ---------------------------------------------------------------------------
nuclear@0: Open Asset Import Library (assimp)
nuclear@0: ---------------------------------------------------------------------------
nuclear@0: 
nuclear@0: Copyright (c) 2006-2018, assimp team
nuclear@0: 
nuclear@0: 
nuclear@0: 
nuclear@0: All rights reserved.
nuclear@0: 
nuclear@0: Redistribution and use of this software in source and binary forms,
nuclear@0: with or without modification, are permitted provided that the following
nuclear@0: conditions are met:
nuclear@0: 
nuclear@0: * Redistributions of source code must retain the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer.
nuclear@0: 
nuclear@0: * Redistributions in binary form must reproduce the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer in the documentation and/or other
nuclear@0:   materials provided with the distribution.
nuclear@0: 
nuclear@0: * Neither the name of the assimp team, nor the names of its
nuclear@0:   contributors may be used to endorse or promote products
nuclear@0:   derived from this software without specific prior
nuclear@0:   written permission of the assimp team.
nuclear@0: 
nuclear@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0: A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0: OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0: OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0: ---------------------------------------------------------------------------
nuclear@0: */
nuclear@0: /** @file vector3.h
nuclear@0:  *  @brief 3D vector structure, including operators when compiling in C++
nuclear@0:  */
nuclear@0: #pragma once
nuclear@0: #ifndef AI_VECTOR3D_H_INC
nuclear@0: #define AI_VECTOR3D_H_INC
nuclear@0: 
nuclear@0: #ifdef __cplusplus
nuclear@0: #   include <cmath>
nuclear@0: #else
nuclear@0: #   include <math.h>
nuclear@0: #endif
nuclear@0: 
nuclear@0: #include "defs.h"
nuclear@0: 
nuclear@0: #ifdef __cplusplus
nuclear@0: 
nuclear@0: template<typename TReal> class aiMatrix3x3t;
nuclear@0: template<typename TReal> class aiMatrix4x4t;
nuclear@0: 
nuclear@0: // ---------------------------------------------------------------------------
nuclear@0: /** Represents a three-dimensional vector. */
nuclear@0: template <typename TReal>
nuclear@0: class aiVector3t
nuclear@0: {
nuclear@0: public:
nuclear@0:     aiVector3t() AI_NO_EXCEPT : x(), y(), z() {}
nuclear@0:     aiVector3t(TReal _x, TReal _y, TReal _z) : x(_x), y(_y), z(_z) {}
nuclear@0:     explicit aiVector3t (TReal _xyz ) : x(_xyz), y(_xyz), z(_xyz) {}
nuclear@0: 
nuclear@0: public:
nuclear@0: 
nuclear@0:     // combined operators
nuclear@0:     const aiVector3t& operator += (const aiVector3t& o);
nuclear@0:     const aiVector3t& operator -= (const aiVector3t& o);
nuclear@0:     const aiVector3t& operator *= (TReal f);
nuclear@0:     const aiVector3t& operator /= (TReal f);
nuclear@0: 
nuclear@0:     // transform vector by matrix
nuclear@0:     aiVector3t& operator *= (const aiMatrix3x3t<TReal>& mat);
nuclear@0:     aiVector3t& operator *= (const aiMatrix4x4t<TReal>& mat);
nuclear@0: 
nuclear@0:     // access a single element
nuclear@0:     TReal operator[](unsigned int i) const;
nuclear@0:     TReal& operator[](unsigned int i);
nuclear@0: 
nuclear@0:     // comparison
nuclear@0:     bool operator== (const aiVector3t& other) const;
nuclear@0:     bool operator!= (const aiVector3t& other) const;
nuclear@0:     bool operator < (const aiVector3t& other) const;
nuclear@0: 
nuclear@0:     bool Equal(const aiVector3t& other, TReal epsilon = 1e-6) const;
nuclear@0: 
nuclear@0:     template <typename TOther>
nuclear@0:     operator aiVector3t<TOther> () const;
nuclear@0: 
nuclear@0: public:
nuclear@0:     /** @brief Set the components of a vector
nuclear@0:      *  @param pX X component
nuclear@0:      *  @param pY Y component
nuclear@0:      *  @param pZ Z component  */
nuclear@0:     void Set( TReal pX, TReal pY, TReal pZ);
nuclear@0: 
nuclear@0:     /** @brief Get the squared length of the vector
nuclear@0:      *  @return Square length */
nuclear@0:     TReal SquareLength() const;
nuclear@0: 
nuclear@0:     /** @brief Get the length of the vector
nuclear@0:      *  @return length */
nuclear@0:     TReal Length() const;
nuclear@0: 
nuclear@0: 
nuclear@0:     /** @brief Normalize the vector */
nuclear@0:     aiVector3t& Normalize();
nuclear@0: 
nuclear@0:     /** @brief Normalize the vector with extra check for zero vectors */
nuclear@0:     aiVector3t& NormalizeSafe();
nuclear@0: 
nuclear@0:     /** @brief Componentwise multiplication of two vectors
nuclear@0:      *
nuclear@0:      *  Note that vec*vec yields the dot product.
nuclear@0:      *  @param o Second factor */
nuclear@0:     const aiVector3t SymMul(const aiVector3t& o);
nuclear@0: 
nuclear@0:     TReal x, y, z;
nuclear@0: };
nuclear@0: 
nuclear@0: 
nuclear@0: typedef aiVector3t<ai_real> aiVector3D;
nuclear@0: 
nuclear@0: #else
nuclear@0: 
nuclear@0: struct aiVector3D {
nuclear@0:     ai_real x, y, z;
nuclear@0: };
nuclear@0: 
nuclear@0: #endif // __cplusplus
nuclear@0: 
nuclear@0: #ifdef __cplusplus
nuclear@0: 
nuclear@0: #endif // __cplusplus
nuclear@0: 
nuclear@0: #endif // AI_VECTOR3D_H_INC