Archive/openmw
0
0
Fork 0
mirror of https://gitlab.com/OpenMW/openmw.git synced 2025-04-28 21:07:59 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions 40

Move configureLight to a separate file

Browse source
This commit is contained in:
scrawl 2016-01-06 13:19:15 +01:00
parent fb849014bd
commit 438b30d6f0
6 changed files with 55 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

32
components/sceneutil/lightutil.cpp Normal file
View file

@ -0,0 +1,32 @@
#include "lightutil.hpp"
#include <osg/Light>
namespace SceneUtil
{
void configureLight(osg::Light *light, float radius, bool isExterior, bool outQuadInLin, bool useQuadratic,
float quadraticValue, float quadraticRadiusMult, bool useLinear, float linearRadiusMult, float linearValue)
{
bool quadratic = useQuadratic && (!outQuadInLin || isExterior);
float quadraticAttenuation = 0;
float linearAttenuation = 0;
if (quadratic)
{
float r = radius * quadraticRadiusMult;
quadraticAttenuation = quadraticValue / std::pow(r, 2);
}
if (useLinear)
{
float r = radius * linearRadiusMult;
linearAttenuation = linearValue / r;
}
light->setLinearAttenuation(linearAttenuation);
light->setQuadraticAttenuation(quadraticAttenuation);
light->setConstantAttenuation(0.f);
}
}