| /* |
| --------------------------------------------------------------------------- |
| Open Asset Import Library (assimp) |
| --------------------------------------------------------------------------- |
| |
| Copyright (c) 2006-2017, assimp team |
| |
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| All rights reserved. |
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| Redistribution and use of this software in source and binary forms, |
| with or without modification, are permitted provided that the following |
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| * Redistributions of source code must retain the above |
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| following disclaimer. |
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| * 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. |
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| * 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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| --------------------------------------------------------------------------- |
| */ |
| |
| /** @file vector3.inl |
| * @brief Inline implementation of aiVector3t<TReal> operators |
| */ |
| #pragma once |
| #ifndef AI_VECTOR3D_INL_INC |
| #define AI_VECTOR3D_INL_INC |
| |
| #ifdef __cplusplus |
| #include "vector3.h" |
| |
| #include <cmath> |
| |
| // ------------------------------------------------------------------------------------------------ |
| /** Transformation of a vector by a 3x3 matrix */ |
| template <typename TReal> |
| inline aiVector3t<TReal> operator * (const aiMatrix3x3t<TReal>& pMatrix, const aiVector3t<TReal>& pVector) |
| { |
| aiVector3t<TReal> res; |
| res.x = pMatrix.a1 * pVector.x + pMatrix.a2 * pVector.y + pMatrix.a3 * pVector.z; |
| res.y = pMatrix.b1 * pVector.x + pMatrix.b2 * pVector.y + pMatrix.b3 * pVector.z; |
| res.z = pMatrix.c1 * pVector.x + pMatrix.c2 * pVector.y + pMatrix.c3 * pVector.z; |
| return res; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| /** Transformation of a vector by a 4x4 matrix */ |
| template <typename TReal> |
| inline aiVector3t<TReal> operator * (const aiMatrix4x4t<TReal>& pMatrix, const aiVector3t<TReal>& pVector) |
| { |
| aiVector3t<TReal> res; |
| res.x = pMatrix.a1 * pVector.x + pMatrix.a2 * pVector.y + pMatrix.a3 * pVector.z + pMatrix.a4; |
| res.y = pMatrix.b1 * pVector.x + pMatrix.b2 * pVector.y + pMatrix.b3 * pVector.z + pMatrix.b4; |
| res.z = pMatrix.c1 * pVector.x + pMatrix.c2 * pVector.y + pMatrix.c3 * pVector.z + pMatrix.c4; |
| return res; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| template <typename TOther> |
| aiVector3t<TReal>::operator aiVector3t<TOther> () const { |
| return aiVector3t<TOther>(static_cast<TOther>(x),static_cast<TOther>(y),static_cast<TOther>(z)); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE void aiVector3t<TReal>::Set( TReal pX, TReal pY, TReal pZ) { |
| x = pX; y = pY; z = pZ; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE TReal aiVector3t<TReal>::SquareLength() const { |
| return x*x + y*y + z*z; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE TReal aiVector3t<TReal>::Length() const { |
| return std::sqrt( SquareLength()); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal>& aiVector3t<TReal>::Normalize() { |
| *this /= Length(); return *this; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal>& aiVector3t<TReal>::NormalizeSafe() { |
| TReal len = Length(); |
| if (len > static_cast<TReal>(0)) |
| *this /= len; |
| return *this; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE const aiVector3t<TReal>& aiVector3t<TReal>::operator += (const aiVector3t<TReal>& o) { |
| x += o.x; y += o.y; z += o.z; return *this; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE const aiVector3t<TReal>& aiVector3t<TReal>::operator -= (const aiVector3t<TReal>& o) { |
| x -= o.x; y -= o.y; z -= o.z; return *this; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE const aiVector3t<TReal>& aiVector3t<TReal>::operator *= (TReal f) { |
| x *= f; y *= f; z *= f; return *this; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE const aiVector3t<TReal>& aiVector3t<TReal>::operator /= (TReal f) { |
| x /= f; y /= f; z /= f; return *this; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix3x3t<TReal>& mat){ |
| return(*this = mat * (*this)); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix4x4t<TReal>& mat){ |
| return(*this = mat * (*this)); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE TReal aiVector3t<TReal>::operator[](unsigned int i) const { |
| // return *(&x + i); |
| switch (i) { |
| case 0: |
| return x; |
| case 1: |
| return y; |
| case 2: |
| return z; |
| default: |
| break; |
| } |
| return x; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE TReal& aiVector3t<TReal>::operator[](unsigned int i) { |
| // return *(&x + i); |
| switch (i) { |
| case 0: |
| return x; |
| case 1: |
| return y; |
| case 2: |
| return z; |
| default: |
| break; |
| } |
| return x; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE bool aiVector3t<TReal>::operator== (const aiVector3t<TReal>& other) const { |
| return x == other.x && y == other.y && z == other.z; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE bool aiVector3t<TReal>::operator!= (const aiVector3t<TReal>& other) const { |
| return x != other.x || y != other.y || z != other.z; |
| } |
| // --------------------------------------------------------------------------- |
| template<typename TReal> |
| AI_FORCE_INLINE bool aiVector3t<TReal>::Equal(const aiVector3t<TReal>& other, TReal epsilon) const { |
| return |
| std::abs(x - other.x) <= epsilon && |
| std::abs(y - other.y) <= epsilon && |
| std::abs(z - other.z) <= epsilon; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE bool aiVector3t<TReal>::operator < (const aiVector3t<TReal>& other) const { |
| return x != other.x ? x < other.x : y != other.y ? y < other.y : z < other.z; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| AI_FORCE_INLINE const aiVector3t<TReal> aiVector3t<TReal>::SymMul(const aiVector3t<TReal>& o) { |
| return aiVector3t<TReal>(x*o.x,y*o.y,z*o.z); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| // symmetric addition |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal> operator + (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) { |
| return aiVector3t<TReal>( v1.x + v2.x, v1.y + v2.y, v1.z + v2.z); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| // symmetric subtraction |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal> operator - (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) { |
| return aiVector3t<TReal>( v1.x - v2.x, v1.y - v2.y, v1.z - v2.z); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| // scalar product |
| template <typename TReal> |
| AI_FORCE_INLINE TReal operator * (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) { |
| return v1.x*v2.x + v1.y*v2.y + v1.z*v2.z; |
| } |
| // ------------------------------------------------------------------------------------------------ |
| // scalar multiplication |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal> operator * ( TReal f, const aiVector3t<TReal>& v) { |
| return aiVector3t<TReal>( f*v.x, f*v.y, f*v.z); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| // and the other way around |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal> operator * ( const aiVector3t<TReal>& v, TReal f) { |
| return aiVector3t<TReal>( f*v.x, f*v.y, f*v.z); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| // scalar division |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, TReal f) { |
| return v * (1/f); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| // vector division |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, const aiVector3t<TReal>& v2) { |
| return aiVector3t<TReal>(v.x / v2.x,v.y / v2.y,v.z / v2.z); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| // cross product |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal> operator ^ ( const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) { |
| return aiVector3t<TReal>( v1.y*v2.z - v1.z*v2.y, v1.z*v2.x - v1.x*v2.z, v1.x*v2.y - v1.y*v2.x); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| // vector negation |
| template <typename TReal> |
| AI_FORCE_INLINE aiVector3t<TReal> operator - ( const aiVector3t<TReal>& v) { |
| return aiVector3t<TReal>( -v.x, -v.y, -v.z); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| |
| #endif // __cplusplus |
| #endif // AI_VECTOR3D_INL_INC |
