Vec3C.h (2325B)
1 /** @file 2 @brief Header 3 4 Must be c-safe! 5 6 @date 2014 7 8 @author 9 Sensics, Inc. 10 <http://sensics.com/osvr> 11 */ 12 13 /* 14 // Copyright 2014 Sensics, Inc. 15 // 16 // Licensed under the Apache License, Version 2.0 (the "License"); 17 // you may not use this file except in compliance with the License. 18 // You may obtain a copy of the License at 19 // 20 // http://www.apache.org/licenses/LICENSE-2.0 21 // 22 // Unless required by applicable law or agreed to in writing, software 23 // distributed under the License is distributed on an "AS IS" BASIS, 24 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 25 // See the License for the specific language governing permissions and 26 // limitations under the License. 27 */ 28 29 #ifndef INCLUDED_Vec3C_h_GUID_BF4E98ED_74CF_4785_DB61_109A00BA74DE 30 #define INCLUDED_Vec3C_h_GUID_BF4E98ED_74CF_4785_DB61_109A00BA74DE 31 32 /* Internal Includes */ 33 #include <osvr/Util/APIBaseC.h> 34 35 /* Library/third-party includes */ 36 /* none */ 37 38 /* Standard includes */ 39 /* none */ 40 41 OSVR_EXTERN_C_BEGIN 42 43 /** @addtogroup UtilMath 44 @{ 45 */ 46 /** @brief A structure defining a 3D vector, often a position/translation. 47 */ 48 typedef struct OSVR_Vec3 { 49 /** @brief Internal array data. */ 50 double data[3]; 51 } OSVR_Vec3; 52 53 #define OSVR_VEC_MEMBER(COMPONENT, INDEX) \ 54 /** @brief Accessor for Vec3 component COMPONENT */ \ 55 OSVR_INLINE double osvrVec3Get##COMPONENT(OSVR_Vec3 const* v) { \ 56 return v->data[INDEX]; \ 57 } \ 58 /** @brief Setter for Vec3 component COMPONENT */ \ 59 OSVR_INLINE void osvrVec3Set##COMPONENT(OSVR_Vec3* v, double val) { \ 60 v->data[INDEX] = val; \ 61 } 62 63 OSVR_VEC_MEMBER(X, 0) 64 OSVR_VEC_MEMBER(Y, 1) 65 OSVR_VEC_MEMBER(Z, 2) 66 67 #undef OSVR_VEC_MEMBER 68 69 /** @brief Set a Vec3 to the zero vector */ 70 OSVR_INLINE void osvrVec3Zero(OSVR_Vec3* v) { 71 osvrVec3SetX(v, 0); 72 osvrVec3SetY(v, 0); 73 osvrVec3SetZ(v, 0); 74 } 75 76 /** @} */ 77 78 OSVR_EXTERN_C_END 79 80 #ifdef __cplusplus 81 template <typename StreamType> 82 inline StreamType& operator<<(StreamType& os, OSVR_Vec3 const& vec) { 83 os << "(" << vec.data[0] << ", " << vec.data[1] << ", " << vec.data[2] << ")"; 84 return os; 85 } 86 #endif 87 88 #endif