mirror of https://github.com/axmolengine/axmol.git
78 lines
2.9 KiB
C++
78 lines
2.9 KiB
C++
/****************************************************************************
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __CCMATHBASE_H__
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#define __CCMATHBASE_H__
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#include <memory>
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#include <string.h>
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#include "platform/CCPlatformMacros.h"
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/**
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* @addtogroup base
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* @{
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*/
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/**Util macro for conversion from degrees to radians.*/
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#define MATH_DEG_TO_RAD(x) ((x)*0.0174532925f)
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/**Util macro for conversion from radians to degrees.*/
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#define MATH_RAD_TO_DEG(x) ((x)*57.29577951f)
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/**
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@{ Util macro for const float such as epsilon, small float and float precision tolerance.
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*/
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#define MATH_FLOAT_SMALL 1.0e-37f
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#define MATH_TOLERANCE 2e-37f
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#define MATH_PIOVER2 1.57079632679489661923f
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#define MATH_EPSILON 0.000001f
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/**@}*/
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//#define MATH_PIOVER4 0.785398163397448309616f
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//#define MATH_PIX2 6.28318530717958647693f
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//#define MATH_E 2.71828182845904523536f
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//#define MATH_LOG10E 0.4342944819032518f
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//#define MATH_LOG2E 1.442695040888963387f
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//#define MATH_PI 3.14159265358979323846f
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//#define MATH_RANDOM_MINUS1_1() ((2.0f*((float)rand()/RAND_MAX))-1.0f) // Returns a random float between -1
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// and 1. #define MATH_RANDOM_0_1() ((float)rand()/RAND_MAX) // Returns a random float
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// between 0 and 1. #define MATH_CLAMP(x, lo, hi) ((x < lo) ? lo : ((x > hi) ? hi : x)) #ifndef M_1_PI #define
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// M_1_PI 0.31830988618379067154
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#ifdef __cplusplus
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# define NS_CC_MATH_BEGIN \
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namespace cocos2d \
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{
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# define NS_CC_MATH_END }
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# define USING_NS_CC_MATH using namespace cocos2d
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#else
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# define NS_CC_MATH_BEGIN
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# define NS_CC_MATH_END
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# define USING_NS_CC_MATH
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#endif
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/**
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* end of base group
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* @}
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*/
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#endif // __CCMATHBASE_H__
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