| 1 | /* |
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| 2 | --------------------------------------------------------------------------- |
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| 3 | Open Asset Import Library (assimp) |
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| 4 | --------------------------------------------------------------------------- |
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| 5 | |
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| 6 | Copyright (c) 2006-2019, assimp team |
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| 7 | |
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| 8 | |
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| 9 | |
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| 10 | All rights reserved. |
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| 11 | |
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| 12 | Redistribution and use of this software in source and binary forms, |
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| 13 | with or without modification, are permitted provided that the following |
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| 14 | conditions are met: |
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| 15 | |
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| 16 | * Redistributions of source code must retain the above |
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| 17 | copyright notice, this list of conditions and the |
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| 18 | following disclaimer. |
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| 19 | |
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| 20 | * Redistributions in binary form must reproduce the above |
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| 21 | copyright notice, this list of conditions and the |
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| 22 | following disclaimer in the documentation and/or other |
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| 23 | materials provided with the distribution. |
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| 24 | |
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| 25 | * Neither the name of the assimp team, nor the names of its |
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| 26 | contributors may be used to endorse or promote products |
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| 27 | derived from this software without specific prior |
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| 28 | written permission of the assimp team. |
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| 29 | |
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| 30 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 31 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 32 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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| 33 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| 34 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 35 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| 36 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 37 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 38 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 39 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 40 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 41 | --------------------------------------------------------------------------- |
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| 42 | */ |
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| 43 | /** @file vector2.h |
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| 44 | * @brief 2D vector structure, including operators when compiling in C++ |
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| 45 | */ |
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| 46 | #pragma once |
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| 47 | #ifndef AI_VECTOR2D_H_INC |
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| 48 | #define AI_VECTOR2D_H_INC |
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| 49 | |
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| 50 | #ifdef __cplusplus |
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| 51 | # include <cmath> |
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| 52 | #else |
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| 53 | # include <math.h> |
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| 54 | #endif |
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| 55 | |
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| 56 | #include "defs.h" |
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| 57 | |
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| 58 | // ---------------------------------------------------------------------------------- |
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| 59 | /** Represents a two-dimensional vector. |
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| 60 | */ |
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| 61 | |
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| 62 | #ifdef __cplusplus |
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| 63 | template <typename TReal> |
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| 64 | class aiVector2t { |
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| 65 | public: |
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| 66 | aiVector2t () : x(), y() {} |
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| 67 | aiVector2t (TReal _x, TReal _y) : x(_x), y(_y) {} |
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| 68 | explicit aiVector2t (TReal _xyz) : x(_xyz), y(_xyz) {} |
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| 69 | aiVector2t (const aiVector2t& o) = default; |
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| 70 | |
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| 71 | void Set( TReal pX, TReal pY); |
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| 72 | TReal SquareLength() const ; |
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| 73 | TReal Length() const ; |
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| 74 | aiVector2t& Normalize(); |
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| 75 | |
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| 76 | const aiVector2t& operator += (const aiVector2t& o); |
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| 77 | const aiVector2t& operator -= (const aiVector2t& o); |
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| 78 | const aiVector2t& operator *= (TReal f); |
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| 79 | const aiVector2t& operator /= (TReal f); |
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| 80 | |
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| 81 | TReal operator[](unsigned int i) const; |
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| 82 | |
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| 83 | bool operator== (const aiVector2t& other) const; |
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| 84 | bool operator!= (const aiVector2t& other) const; |
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| 85 | |
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| 86 | bool Equal(const aiVector2t& other, TReal epsilon = 1e-6) const; |
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| 87 | |
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| 88 | aiVector2t& operator= (TReal f); |
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| 89 | const aiVector2t SymMul(const aiVector2t& o); |
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| 90 | |
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| 91 | template <typename TOther> |
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| 92 | operator aiVector2t<TOther> () const; |
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| 93 | |
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| 94 | TReal x, y; |
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| 95 | }; |
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| 96 | |
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| 97 | typedef aiVector2t<ai_real> aiVector2D; |
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| 98 | |
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| 99 | #else |
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| 100 | |
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| 101 | struct aiVector2D { |
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| 102 | ai_real x, y; |
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| 103 | }; |
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| 104 | |
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| 105 | #endif // __cplusplus |
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| 106 | |
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| 107 | #endif // AI_VECTOR2D_H_INC |
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| 108 | |
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