86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/** @file
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@brief Header
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Must be c-safe!
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@date 2014
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@author
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Sensics, Inc.
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<http://sensics.com/osvr>
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*/
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/*
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// Copyright 2014 Sensics, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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*/
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#ifndef INCLUDED_Vec2C_h_GUID_F9715DE4_2649_4182_0F4C_D62121235D5F
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#define INCLUDED_Vec2C_h_GUID_F9715DE4_2649_4182_0F4C_D62121235D5F
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/* Internal Includes */
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#include <osvr/Util/APIBaseC.h>
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/* Library/third-party includes */
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/* none */
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/* Standard includes */
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/* none */
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OSVR_EXTERN_C_BEGIN
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/** @addtogroup UtilMath
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@{
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*/
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/** @brief A structure defining a 2D vector, which represents position
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*/
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typedef struct OSVR_Vec2 {
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/** @brief Internal array data. */
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double data[2];
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} OSVR_Vec2;
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#define OSVR_VEC_MEMBER(COMPONENT, INDEX) \
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/** @brief Accessor for Vec2 component COMPONENT */ \
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OSVR_INLINE double osvrVec2Get##COMPONENT(OSVR_Vec2 const* v) { \
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return v->data[INDEX]; \
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} \
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/** @brief Setter for Vec2 component COMPONENT */ \
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OSVR_INLINE void osvrVec2Set##COMPONENT(OSVR_Vec2* v, double val) { \
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v->data[INDEX] = val; \
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}
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OSVR_VEC_MEMBER(X, 0)
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OSVR_VEC_MEMBER(Y, 1)
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#undef OSVR_VEC_MEMBER
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/** @brief Set a Vec2 to the zero vector */
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OSVR_INLINE void osvrVec2Zero(OSVR_Vec2* v) {
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osvrVec2SetX(v, 0);
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osvrVec2SetY(v, 0);
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}
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/** @} */
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OSVR_EXTERN_C_END
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#ifdef __cplusplus
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template <typename StreamType>
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inline StreamType& operator<<(StreamType& os, OSVR_Vec2 const& vec) {
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os << "(" << vec.data[0] << ", " << vec.data[1] << ")";
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return os;
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}
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#endif
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#endif // INCLUDED_Vec2C_h_GUID_F9715DE4_2649_4182_0F4C_D62121235D5F
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