mirror of https://github.com/axmolengine/axmol.git
44 lines
1.7 KiB
C
44 lines
1.7 KiB
C
#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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/**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 and 1.
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//#define MATH_RANDOM_0_1() ((float)rand()/RAND_MAX) // Returns a random float between 0 and 1.
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//#define MATH_CLAMP(x, lo, hi) ((x < lo) ? lo : ((x > hi) ? hi : x))
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//#ifndef M_1_PI
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//#define M_1_PI 0.31830988618379067154
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#ifdef __cplusplus
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#define NS_CC_MATH_BEGIN namespace cocos2d {
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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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#endif // __CCMATHBASE_H__
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