#ifndef __CCMATHBASE_H__ #define __CCMATHBASE_H__ #include <memory> #include <string.h> #include "platform/CCPlatformMacros.h" #define MATH_DEG_TO_RAD(x) ((x) * 0.0174532925f) #define MATH_RAD_TO_DEG(x) ((x)* 57.29577951f) //#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_FLOAT_SMALL 1.0e-37f #define MATH_TOLERANCE 2e-37f //#define MATH_E 2.71828182845904523536f //#define MATH_LOG10E 0.4342944819032518f //#define MATH_LOG2E 1.442695040888963387f //#define MATH_PI 3.14159265358979323846f #define MATH_PIOVER2 1.57079632679489661923f //#define MATH_PIOVER4 0.785398163397448309616f //#define MATH_PIX2 6.28318530717958647693f #define MATH_EPSILON 0.000001f //#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 #endif // __CCMATHBASE_H__