*/
#include "precipitation.hxx"
-#include "visual_enviro.hxx"
+//#include "visual_enviro.hxx"
#include <simgear/constants.h>
+#include <osg/ClipNode>
/**
* @brief SGPrecipitation constructor
* Build a new OSG object from osgParticle.
*/
SGPrecipitation::SGPrecipitation() :
- _freeze(false), _snow_intensity(0.0), _rain_intensity(0.0)
+ _freeze(false), _enabled(true), _snow_intensity(0.0), _rain_intensity(0.0), _clip_distance(5.0)
{
_precipitationEffect = new osgParticle::PrecipitationEffect;
}
+void SGPrecipitation::setEnabled( bool value )
+{
+ _enabled = value;
+}
+
+bool SGPrecipitation::getEnabled() const
+{
+ return _enabled;
+}
/**
* @brief Build and add the object "precipitationEffect"
_precipitationEffect->snow(0);
_precipitationEffect->rain(0);
- group->addChild(_precipitationEffect.get());
+ 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;
}
this->_snow_intensity = this->_rain_intensity;
}
- bool enabled = sgEnviro.get_precipitation_enable_state();
- if (enabled && this->_snow_intensity > 0) {
+ if (_enabled && this->_snow_intensity > 0) {
_precipitationEffect->setWind(_wind_vec);
_precipitationEffect->setParticleSpeed( -0.75f - 0.25f*_snow_intensity);
_precipitationEffect->setFarTransition(100.0f - 60.0f*sqrtf(_snow_intensity));
_precipitationEffect->setParticleColor(osg::Vec4(0.85, 0.85, 0.85, 1.0) - osg::Vec4(0.1, 0.1, 0.1, 1.0) * _snow_intensity);
- } else if (enabled && this->_rain_intensity > 0) {
+ } else if (_enabled && this->_rain_intensity > 0) {
_precipitationEffect->setWind(_wind_vec);
_precipitationEffect->setParticleSpeed( -2.0f + -5.0f*_rain_intensity);