void ViewData::notifyChanged()
{
::seq::ViewData::setOrtho( ViewData::getOrtho( ));
_view.changeMode( getStereo() ? eq::View::MODE_STEREO
: eq::View::MODE_MONO );
const auto& observer = _view.getObserver();
if( !observer )
return;
observer->setEyePosition( eq::EYE_LEFT, seq::Vector3f( -getEyeSeparation()/2.f, 0.f , 0 ));
observer->setEyePosition( eq::EYE_RIGHT, seq::Vector3f( getEyeSeparation()/2.f, 0.f , 0 ));
}
// LOOKAT
const Camera::LookAtValueType Camera::getLookAt( const EyeUsagePolicyValueType eyeUsagePolicy ) const
{
vgm::MatrixR matrix;
// MONOSCOPIC
if ( getMode() == MONOSCOPIC )
{
switch ( eyeUsagePolicy.value() )
{
case EYE_LEFT:
matrix = getLookAtLeft();
break;
case EYE_RIGHT:
matrix = getLookAtRight();
break;
case EYE_BOTH:
{
const Camera::LookAtValueType left = getLookAtLeft();
const Camera::LookAtValueType right = getLookAtRight();
vgAssertN( left.equals(right), "lookAtLeft != lookAtRight" );
matrix = left;
break;
}
//case DEFAULT_EYEUSAGEPOLICY: = EYE_BOTH
default:
vgAssertN( false, "Unexpected value for eye usage policy %i", eyeUsagePolicy.value() );
matrix.setIdentity();
}
}
else
// STEREOSCOPIC
{
const vgm::Vec3f halfEyeSeparation( getEyeSeparation() / 2.f, 0.f, 0.f );
switch ( eyeUsagePolicy.value() )
{
case EYE_LEFT:
{
vgm::MatrixR eyeSeparation;
eyeSeparation.setTranslate( halfEyeSeparation );
matrix = getLookAtLeft();
matrix = matrix * eyeSeparation;
break;
}
case EYE_RIGHT:
{
vgm::MatrixR eyeSeparation;
eyeSeparation.setTranslate( -halfEyeSeparation );
matrix = getLookAtRight();
matrix = matrix * eyeSeparation;
break;
}
case EYE_BOTH:
{
vgAssertN( false, "EYE_BOTH not allowed in non MONOSCOPIC mode" );
break;
}
//case DEFAULT_EYEUSAGEPOLICY: = EYE_BOTH
default:
vgAssertN( false, "Unexpected value for eye usage policy %i", eyeUsagePolicy.value() );
matrix.setIdentity();
}
}
return matrix;
}
