cocos-enhance-kit/cocos2d-x/cocos/math/CCMathBase.h
2022-06-25 00:23:03 +08:00

79 lines
3.1 KiB
C

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#ifndef __CCMATHBASE_H__
#define __CCMATHBASE_H__
#include <memory>
#include <string.h>
#include "base/ccMacros.h"
/**
* @addtogroup base
* @{
*/
/**Util macro for conversion from degrees to radians.*/
#define MATH_DEG_TO_RAD(x) ((x) * 0.0174532925f)
/**Util macro for conversion from radians to degrees.*/
#define MATH_RAD_TO_DEG(x) ((x)* 57.29577951f)
/**
@{ Util macro for const float such as epsilon, small float and float precision tolerance.
*/
#define MATH_FLOAT_SMALL 1.0e-37f
#define MATH_TOLERANCE 2e-37f
#define MATH_PIOVER2 1.57079632679489661923f
#define MATH_EPSILON 0.000001f
/**@}*/
//#define MATH_PIOVER4 0.785398163397448309616f
//#define MATH_PIX2 6.28318530717958647693f
//#define MATH_E 2.71828182845904523536f
//#define MATH_LOG10E 0.4342944819032518f
//#define MATH_LOG2E 1.442695040888963387f
//#define MATH_PI 3.14159265358979323846f
//#define MATH_RANDOM_MINUS1_1() ((2.0f*((float)rand()/RAND_MAX))-1.0f) // Returns a random float between -1 and 1.
//#define MATH_RANDOM_0_1() ((float)rand()/RAND_MAX) // Returns a random float between 0 and 1.
//#define MATH_CLAMP(x, lo, hi) ((x < lo) ? lo : ((x > hi) ? hi : x))
//#ifndef M_1_PI
//#define M_1_PI 0.31830988618379067154
#ifdef __cplusplus
#define NS_CC_MATH_BEGIN namespace cocos2d {
#define NS_CC_MATH_END }
#define USING_NS_CC_MATH using namespace cocos2d
#else
#define NS_CC_MATH_BEGIN
#define NS_CC_MATH_END
#define USING_NS_CC_MATH
#endif
/**
* end of base group
* @}
*/
#endif // __CCMATHBASE_H__