mirror of https://github.com/AxioDL/zeus.git
39 lines
855 B
C++
39 lines
855 B
C++
#ifndef CMRAY_HPP
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#define CMRAY_HPP
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#include "zeus/CVector3f.hpp"
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#include "zeus/CTransform.hpp"
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#include "zeus/Math.hpp"
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namespace zeus
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{
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struct CMRay
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{
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CMRay(const CVector3f& start, const CVector3f& end, float d) : start(start), end(end), d(d), invD(1.f / d)
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{
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normal = start + (d * end);
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delta = normal - start;
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}
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CMRay(const CVector3f& start, const CVector3f& norm, float d, float invD) : start(start), normal(norm), d(d), invD(invD)
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{
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delta = normal - start;
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end = invD * delta;
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}
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CMRay getInvUnscaledTransformRay(const CTransform& xfrm) const
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{
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const CTransform inv = xfrm.inverse();
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return CMRay(inv * start, inv * normal, d, invD);
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}
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CVector3f start;
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CVector3f normal;
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CVector3f delta;
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float d;
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float invD;
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CVector3f end;
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};
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}
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#endif
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