mirror of
https://github.com/OpenMW/openmw.git
synced 2025-11-04 11:26:42 +00:00
31 lines
619 B
C++
31 lines
619 B
C++
#include "fog.hpp"
|
|
|
|
#include <osg/Matrix>
|
|
#include <osg/State>
|
|
|
|
namespace NifOsg
|
|
{
|
|
|
|
Fog::Fog()
|
|
: osg::Fog()
|
|
{
|
|
}
|
|
|
|
Fog::Fog(const Fog& copy, const osg::CopyOp& copyop)
|
|
: osg::Fog(copy, copyop)
|
|
, mDepth(copy.mDepth)
|
|
{
|
|
}
|
|
|
|
void Fog::apply(osg::State& state) const
|
|
{
|
|
osg::Fog::apply(state);
|
|
#ifdef OSG_GL_FIXED_FUNCTION_AVAILABLE
|
|
float fov, aspect, near, far;
|
|
state.getProjectionMatrix().getPerspective(fov, aspect, near, far);
|
|
glFogf(GL_FOG_START, near * mDepth + far * (1.f - mDepth));
|
|
glFogf(GL_FOG_END, far);
|
|
#endif
|
|
}
|
|
|
|
}
|