mirror of https://github.com/AxioDL/zeus.git
35 lines
1012 B
C++
35 lines
1012 B
C++
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#ifndef MATH_HPP
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#define MATH_HPP
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#define _USE_MATH_DEFINES 1
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#include <math.h>
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#include "CVector3f.hpp"
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#include "CTransform.hpp"
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/* Macros for min/max. */
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#ifndef MIN
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#endif /* MIN */
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#ifndef MAX
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#define MAX(a,b) (((a)>(b))?(a):(b))
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#endif /* MAX */
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namespace Math
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{
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inline void clamp(float& val, float min, float max) {val = MAX(min, MIN(max, val));}
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inline void clamp(int& val, int min, int max) {val = MAX(min, MIN(max, val));}
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inline float radToDeg(float rad) {return rad * 180.f / M_PI;}
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inline float degToRad(float deg) {return deg * M_PI / 180;}
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extern const CVector3f kRadToDegVec;
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extern const CVector3f kDegToRadVec;
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inline CVector3f radToDeg(CVector3f rad) {return rad * kRadToDegVec;}
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inline CVector3f degToRad(CVector3f deg) {return deg * kDegToRadVec;}
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extern const CVector3f kUpVec;
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CTransform lookAt(const CVector3f& pos, const CVector3f& lookPos, const CVector3f& up=kUpVec);
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}
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#endif // MATH_HPP
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