| /* |
| --------------------------------------------------------------------------- |
| Open Asset Import Library (assimp) |
| --------------------------------------------------------------------------- |
| |
| Copyright (c) 2006-2017, 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. |
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| 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 |
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| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| --------------------------------------------------------------------------- |
| */ |
| /** @file vector3.h |
| * @brief 3D vector structure, including operators when compiling in C++ |
| */ |
| #pragma once |
| #ifndef AI_VECTOR3D_H_INC |
| #define AI_VECTOR3D_H_INC |
| |
| #ifdef __cplusplus |
| # include <cmath> |
| #else |
| # include <math.h> |
| #endif |
| |
| #include "defs.h" |
| |
| #ifdef __cplusplus |
| |
| template<typename TReal> class aiMatrix3x3t; |
| template<typename TReal> class aiMatrix4x4t; |
| |
| // --------------------------------------------------------------------------- |
| /** Represents a three-dimensional vector. */ |
| template <typename TReal> |
| class aiVector3t |
| { |
| public: |
| aiVector3t() : x(), y(), z() {} |
| aiVector3t(TReal _x, TReal _y, TReal _z) : x(_x), y(_y), z(_z) {} |
| explicit aiVector3t (TReal _xyz ) : x(_xyz), y(_xyz), z(_xyz) {} |
| aiVector3t( const aiVector3t& o ) : x(o.x), y(o.y), z(o.z) {} |
| |
| public: |
| |
| // combined operators |
| const aiVector3t& operator += (const aiVector3t& o); |
| const aiVector3t& operator -= (const aiVector3t& o); |
| const aiVector3t& operator *= (TReal f); |
| const aiVector3t& operator /= (TReal f); |
| |
| // transform vector by matrix |
| aiVector3t& operator *= (const aiMatrix3x3t<TReal>& mat); |
| aiVector3t& operator *= (const aiMatrix4x4t<TReal>& mat); |
| |
| // access a single element |
| TReal operator[](unsigned int i) const; |
| TReal& operator[](unsigned int i); |
| |
| // comparison |
| bool operator== (const aiVector3t& other) const; |
| bool operator!= (const aiVector3t& other) const; |
| bool operator < (const aiVector3t& other) const; |
| |
| bool Equal(const aiVector3t& other, TReal epsilon = 1e-6) const; |
| |
| template <typename TOther> |
| operator aiVector3t<TOther> () const; |
| |
| public: |
| /** @brief Set the components of a vector |
| * @param pX X component |
| * @param pY Y component |
| * @param pZ Z component */ |
| void Set( TReal pX, TReal pY, TReal pZ); |
| |
| /** @brief Get the squared length of the vector |
| * @return Square length */ |
| TReal SquareLength() const; |
| |
| /** @brief Get the length of the vector |
| * @return length */ |
| TReal Length() const; |
| |
| |
| /** @brief Normalize the vector */ |
| aiVector3t& Normalize(); |
| |
| /** @brief Normalize the vector with extra check for zero vectors */ |
| aiVector3t& NormalizeSafe(); |
| |
| /** @brief Componentwise multiplication of two vectors |
| * |
| * Note that vec*vec yields the dot product. |
| * @param o Second factor */ |
| const aiVector3t SymMul(const aiVector3t& o); |
| |
| TReal x, y, z; |
| }; |
| |
| |
| typedef aiVector3t<ai_real> aiVector3D; |
| |
| #else |
| |
| struct aiVector3D { |
| ai_real x, y, z; |
| }; |
| |
| #endif // __cplusplus |
| |
| #ifdef __cplusplus |
| |
| #endif // __cplusplus |
| |
| #endif // AI_VECTOR3D_H_INC |