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NL3D::CInstanceLighter::CPredPointLightToPoint Struct Reference

Detailed Description

For sort().

Definition at line 244 of file instance_lighter.h.

Public Member Functions

bool operator() (CPointLightRT *pla, CPointLightRT *plb) const

Data Fields

CVector Point

Member Function Documentation

bool NL3D::CInstanceLighter::CPredPointLightToPoint::operator() (  CPointLightRT *  pla,
CPointLightRT *  plb
)  const
 

Definition at line 1140 of file instance_lighter.cpp.

References NL3D::CInstanceLighter::CPointLightRT::BSphere, NLMISC::CBSphere::Center, NLMISC::clamp(), NL3D::CPointLight::getAttenuationEnd(), NL3D::CInstanceLighter::CPointLightRT::OODeltaAttenuation, and NL3D::CInstanceLighter::CPointLightRT::PointLight. 

01141 {
01142         float   ra= (pla->BSphere.Center - Point).norm();
01143         float   rb= (plb->BSphere.Center - Point).norm();
01144         float   infA= (pla->PointLight.getAttenuationEnd() - ra) * pla->OODeltaAttenuation;
01145         float   infB= (plb->PointLight.getAttenuationEnd() - rb) * plb->OODeltaAttenuation;
01146         // It is important to clamp, else strange results...
01147         clamp(infA, 0.f, 1.f);
01148         clamp(infB, 0.f, 1.f);
01149         // return which light impact the most.
01150         // If same impact
01151         if(infA==infB)
01152                 // return nearest
01153                 return ra < rb;
01154         else
01155                 // return better impact
01156                 return  infA > infB;
01157 }

Field Documentation

CVector NL3D::CInstanceLighter::CPredPointLightToPoint::Point
 

Definition at line 246 of file instance_lighter.h.

Referenced by NL3D::CInstanceLighter::processIGPointLightRT().

The documentation for this struct was generated from the following files:
Generated on Tue Mar 16 06:47:44 2004 for NeL by doxygen 1.3.6