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Merge branch 'fred/precip'

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This commit is contained in:
Tim Moore 2010-04-25 22:33:02 +02:00
commit 536b8a213b
2 changed files with 17 additions and 2 deletions
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16
simgear/environment/precipitation.cxx
View File

@ -28,6 +28,7 @@
#include "visual_enviro.hxx"
#include <simgear/constants.h>
#include <osg/ClipNode>
/**
* @brief SGPrecipitation constructor
@ -35,7 +36,7 @@
* Build a new OSG object from osgParticle.
*/
SGPrecipitation::SGPrecipitation() :
_freeze(false), _snow_intensity(0.0), _rain_intensity(0.0)
_freeze(false), _snow_intensity(0.0), _rain_intensity(0.0), _clip_distance(5.0)
{
_precipitationEffect = new osgParticle::PrecipitationEffect;
}
@ -54,7 +55,20 @@ osg::Group* SGPrecipitation::build(void)
_precipitationEffect->snow(0);
_precipitationEffect->rain(0);
if (_clip_distance!=0.0)
{
osg::ref_ptr<osg::ClipNode> clipNode = new osg::ClipNode;
clipNode->addClipPlane( new osg::ClipPlane( 0 ) );
clipNode->getClipPlane(0)->setClipPlane( 0.0, 0.0, -1.0, -_clip_distance );
clipNode->setReferenceFrame(osg::ClipNode::ABSOLUTE_RF);
clipNode->addChild(_precipitationEffect.get());
group->addChild(clipNode.get());
}
else
{
group->addChild(_precipitationEffect.get());
}
return group;
}

1
simgear/environment/precipitation.hxx
View File

@ -39,6 +39,7 @@ private:
float _snow_intensity;
float _rain_intensity;
float _clip_distance;
int _wind_dir;
osg::Vec3 _wind_vec;