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Give CRelAngle signed value support

This commit is contained in:
Jack Andersen 2017-09-16 17:04:23 -10:00
parent 7e02e40cb2
commit 9d40c78f6e
1 changed files with 4 additions and 2 deletions
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6
include/zeus/CRelAngle.hpp
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@ -3,6 +3,7 @@
#include "zeus/CVector3f.hpp" #include "zeus/CVector3f.hpp"
#include "zeus/Math.hpp" #include "zeus/Math.hpp"
#include <cmath>
namespace zeus namespace zeus
{ {
@ -15,10 +16,11 @@ struct CRelAngle
static float MakeRelativeAngle(float angle) static float MakeRelativeAngle(float angle)
{ {
float ret = angle - std::floor(angle / (2.f * M_PIF)) * (2.f * M_PIF); float absAngle = std::fabs(angle);
float ret = absAngle - std::floor(absAngle / (2.f * M_PIF)) * (2.f * M_PIF);
if (ret < 0.f) if (ret < 0.f)
ret += 2.f * M_PIF; ret += 2.f * M_PIF;
return ret; return std::copysign(ret, angle);
} }
CRelAngle() = default; CRelAngle() = default;