Fixed support for NodeTrackerManipulator.
This commit is contained in:
Robert Osfield
parent
2b8140e125
commit
12793c0580
@ -18,6 +18,7 @@
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#include <osgDB/Registry>
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#include <osgDB/Registry>
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#include <osgDB/ReadFile>
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#include <osgDB/ReadFile>
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#include <osgGA/NodeTrackerManipulator>
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#include <osgGA/TrackballManipulator>
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#include <osgGA/TrackballManipulator>
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#include <osgGA/FlightManipulator>
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#include <osgGA/FlightManipulator>
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#include <osgGA/DriveManipulator>
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#include <osgGA/DriveManipulator>
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@ -27,28 +28,9 @@
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static osg::Vec3 defaultPos( 0.0f, 0.0f, 0.0f );
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static osg::Vec3 defaultPos( 0.0f, 0.0f, 0.0f );
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static osg::Vec3 centerScope(0.0f, 0.0f, 0.0f);
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static osg::Vec3 centerScope(0.0f, 0.0f, 0.0f);
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osg::Group* createSunLight()
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{
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osg::Group* lightNode = new osg::Group;
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osg::Light* sunLight = new osg::Light;
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sunLight->setPosition( osg::Vec4( 0.0f, 0.0f, 0.0f, 1.0f ) );
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sunLight->setAmbient( osg::Vec4( 0.0f, 0.0f, 0.0f, 1.0f ) );
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osg::LightSource* sunLightSource = new osg::LightSource;
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sunLightSource->setLight( sunLight );
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lightNode->addChild( sunLightSource );
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osg::LightModel* lightModel = new osg::LightModel;
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lightModel->setAmbientIntensity(osg::Vec4(0.0f,0.0f,0.0f,1.0f));
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lightNode->getOrCreateStateSet()->setAttribute(lightModel);
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return lightNode;
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}// end createSunLight
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osg::AnimationPath* createAnimationPath(const osg::Vec3& center,float radius,double looptime)
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osg::AnimationPath* createAnimationPath(const osg::Vec3& center,float radius,double looptime)
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@ -79,108 +61,6 @@ osg::AnimationPath* createAnimationPath(const osg::Vec3& center,float radius,dou
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}// end createAnimationPath
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}// end createAnimationPath
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osg::MatrixTransform* createEarthTranslationAndTilt( double RorbitEarth, double tiltEarth )
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{
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osg::MatrixTransform* earthPositioned = new osg::MatrixTransform;
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//earthPositioned->setDataVariance(osg::Object::STATIC);
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earthPositioned->setMatrix(osg::Matrix::translate(osg::Vec3( 0.0, RorbitEarth, 0.0 ) )*
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osg::Matrix::scale(1.0, 1.0, 1.0)*
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osg::Matrix::rotate(osg::inDegrees( tiltEarth ),0.0f,0.0f,1.0f));
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return earthPositioned;
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}// end createEarthTranslationAndTilt
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osg::MatrixTransform* createRotation( double orbit, double speed )
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{
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osg::Vec3 center( 0.0, 0.0, 0.0 );
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float animationLength = 10.0f;
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osg::AnimationPath* animationPath = createAnimationPath( center, orbit, animationLength );
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osg::MatrixTransform* rotation = new osg::MatrixTransform;
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rotation->setUpdateCallback( new osg::AnimationPathCallback( animationPath, 0.0f, speed ) );
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return rotation;
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}// end createEarthRotation
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osg::MatrixTransform* createMoonTranslation( double RorbitMoon )
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{
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osg::MatrixTransform* moonPositioned = new osg::MatrixTransform;
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//earthPositioned->setDataVariance(osg::Object::STATIC);
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//earthPositioned->setMatrix(osg::Matrix::translate(osg::Vec3( RorbitEarth, 0.0, 0.0 ) )*
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moonPositioned->setMatrix(osg::Matrix::translate(osg::Vec3( 0.0, RorbitMoon, 0.0 ) )*
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//earthPositioned->setMatrix(osg::Matrix::translate(osg::Vec3( 0.0, 0.0, RorbitEarth ) )*
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osg::Matrix::scale(1.0, 1.0, 1.0)*
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osg::Matrix::rotate(osg::inDegrees(0.0f),0.0f,0.0f,1.0f));
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return moonPositioned;
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}// end createMoonTranslation
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osg::Geode* createSpace( double radius, const std::string& name, const std::string& textureName )
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{
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osg::Sphere *spaceSphere = new osg::Sphere( osg::Vec3( 0.0, 0.0, 0.0 ), radius );
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osg::ShapeDrawable *sSpaceSphere = new osg::ShapeDrawable( spaceSphere );
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if( !textureName.empty() )
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{
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osg::Image* image = osgDB::readImageFile( textureName );
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if ( image )
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{
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sSpaceSphere->getOrCreateStateSet()->setTextureAttributeAndModes( 0, new osg::Texture2D( image ), osg::StateAttribute::ON );
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// reset the object color to white to allow the texture to set the colour.
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sSpaceSphere->setColor( osg::Vec4(1.0f,1.0f,1.0f,1.0f) );
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}
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}
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osg::Geode* geodeSpace = new osg::Geode();
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geodeSpace->setName( name );
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geodeSpace->addDrawable( sSpaceSphere );
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return( geodeSpace );
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}// end createSpace
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osg::Geode* createPlanet( double radius, const std::string& name, const osg::Vec4& color , const std::string& textureName )
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{
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// create a cube shape
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osg::Sphere *planetSphere = new osg::Sphere( osg::Vec3( 0.0, 0.0, 0.0 ), radius );
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// create a container that makes the sphere drawable
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osg::ShapeDrawable *sPlanetSphere = new osg::ShapeDrawable( planetSphere );
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// set the object color
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sPlanetSphere->setColor( color );
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if( !textureName.empty() )
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{
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osg::Image* image = osgDB::readImageFile( textureName );
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if ( image )
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{
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sPlanetSphere->getOrCreateStateSet()->setTextureAttributeAndModes( 0, new osg::Texture2D( image ), osg::StateAttribute::ON );
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// reset the object color to white to allow the texture to set the colour.
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sPlanetSphere->setColor( osg::Vec4(1.0f,1.0f,1.0f,1.0f) );
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}
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}
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// create a geode object to as a container for our drawable sphere object
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osg::Geode* geodePlanet = new osg::Geode();
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geodePlanet->setName( name );
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// add our drawable sphere to the geode container
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geodePlanet->addDrawable( sPlanetSphere );
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return( geodePlanet );
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}// end createPlanet
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class SolarSystem
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class SolarSystem
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{
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{
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@ -211,73 +91,13 @@ public:
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_radiusSpace = 300.0;
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_radiusSpace = 300.0;
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}
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}
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osg::Group* built()
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osg::MatrixTransform* createEarthTranslationAndTilt();
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{
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osg::MatrixTransform* createRotation( double orbit, double speed );
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osg::Group* thisSystem = new osg::Group;
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osg::MatrixTransform* createMoonTranslation();
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osg::Geode* createSpace( const std::string& name, const std::string& textureName );
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osg::StateSet* sunStateSet = new osg::StateSet;
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osg::Geode* createPlanet( double radius, const std::string& name, const osg::Vec4& color , const std::string& textureName );
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osg::Material* material = new osg::Material;
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osg::Group* createSunLight();
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material->setEmission( osg::Material::FRONT_AND_BACK, osg::Vec4( 1.0f, 1.0f, 0.0f, 0.0f ) );
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osg::Group* built();
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sunStateSet->setAttributeAndModes( material, osg::StateAttribute::ON );
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// create the sun
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osg::Node* sun = createPlanet( _radiusSun, "Sun", osg::Vec4( 0, 0, 0, 1.0f), "" );
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sun->setStateSet( sunStateSet );
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// stick sun right under root, no transformations for the sun
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thisSystem->addChild( sun );
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// create light source in the sun
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osg::Group* sunLight = createSunLight();
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//creating right side of the graph with earth and moon and the rotations above it
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// create earth and moon
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osg::Node* earth = createPlanet( _radiusEarth, "Earth", osg::Vec4( 0.0f, 0.0f, 1.0f, 1.0f), "Images/land_shallow_topo_2048.jpg" );
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osg::Node* moon = createPlanet( _radiusMoon, "Moon", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f), "Images/moon256128.TGA" );
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// create transformations for the earthMoonGroup
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osg::MatrixTransform* aroundSunRotation = createRotation( _RorbitEarth, _rotateSpeedEarthAndMoon );
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osg::MatrixTransform* earthPosition = createEarthTranslationAndTilt( _RorbitEarth, _tiltEarth );
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//Group with earth and moon under it
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osg::Group* earthMoonGroup = new osg::Group;
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//transformation to rotate the earth around itself
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osg::MatrixTransform* earthRotationAroundItself = createRotation ( 0.0, _rotateSpeedEarth );
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//transformations for the moon
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osg::MatrixTransform* moonAroundEarthXform = createRotation( _RorbitMoon, _rotateSpeedMoon );
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osg::MatrixTransform* moonTranslation = createMoonTranslation( _RorbitMoon );
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moonTranslation->addChild( moon );
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moonAroundEarthXform->addChild( moonTranslation );
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earthMoonGroup->addChild( moonAroundEarthXform );
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earthRotationAroundItself->addChild( earth );
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earthMoonGroup->addChild( earthRotationAroundItself );
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earthPosition->addChild( earthMoonGroup );
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aroundSunRotation->addChild( earthPosition );
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sunLight->addChild( aroundSunRotation );
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thisSystem->addChild( sunLight );
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#if 0
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// add space, but don't light it, as its not illuminated by our sun
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osg::Node* space = createSpace( _radiusSpace, "Space", "Images/spacemap1.jpg" );
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space->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
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thisSystem->addChild( space );
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#endif
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return( thisSystem );
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}
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void printParameters()
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void printParameters()
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{
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{
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@ -296,6 +116,27 @@ public:
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}; // end SolarSystem
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}; // end SolarSystem
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class FindNamedNodeVisitor : public osg::NodeVisitor
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{
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public:
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FindNamedNodeVisitor(const std::string& name):
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osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
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_name(name) {}
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virtual void apply(osg::Node& node)
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{
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if (node.getName()==_name)
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{
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_foundNodes.push_back(&node);
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}
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traverse(node);
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}
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typedef std::vector< osg::ref_ptr<osg::Node> > NodeList;
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std::string _name;
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NodeList _foundNodes;
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};
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int main( int argc, char **argv )
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int main( int argc, char **argv )
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{
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{
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@ -311,7 +152,7 @@ int main( int argc, char **argv )
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osgProducer::Viewer viewer(arguments);
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osgProducer::Viewer viewer(arguments);
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// set up the value with sensible default event handlers.
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// set up the value with sensible default event handlers.
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viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
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viewer.setUpViewer(osgProducer::Viewer::ESCAPE_SETS_DONE | osgProducer::Viewer::VIEWER_MANIPULATOR | osgProducer::Viewer::STATE_MANIPULATOR);
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// get details on keyboard and mouse bindings used by the viewer.
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// get details on keyboard and mouse bindings used by the viewer.
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viewer.getUsage(*arguments.getApplicationUsage());
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viewer.getUsage(*arguments.getApplicationUsage());
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@ -329,6 +170,39 @@ int main( int argc, char **argv )
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while (arguments.read("--rotateSpeedMoon",solarSystem._rotateSpeedMoon)) { }
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while (arguments.read("--rotateSpeedMoon",solarSystem._rotateSpeedMoon)) { }
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while (arguments.read("--radiusSpace",solarSystem._radiusSpace)) { }
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while (arguments.read("--radiusSpace",solarSystem._radiusSpace)) { }
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osgGA::NodeTrackerManipulator::TrackerMode trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER_AND_ROTATION;
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std::string mode;
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while (arguments.read("--tracker-mode",mode))
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{
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if (mode=="NODE_CENTER_AND_ROTATION") trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER_AND_ROTATION;
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else if (mode=="NODE_CENTER_AND_AZIM") trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER_AND_AZIM;
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else if (mode=="NODE_CENTER") trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER;
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else
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{
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std::cout<<"Unrecognized --tracker-mode option "<<mode<<", valid options are:"<<std::endl;
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std::cout<<" NODE_CENTER_AND_ROTATION"<<std::endl;
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std::cout<<" NODE_CENTER_AND_AZIM"<<std::endl;
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std::cout<<" NODE_CENTER"<<std::endl;
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return 1;
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}
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}
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osgGA::NodeTrackerManipulator::RotationMode rotationMode = osgGA::NodeTrackerManipulator::TRACKBALL;
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while (arguments.read("--rotation-mode",mode))
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{
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if (mode=="TRACKBALL") rotationMode = osgGA::NodeTrackerManipulator::TRACKBALL;
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else if (mode=="ELEVATION_AZIM") rotationMode = osgGA::NodeTrackerManipulator::ELEVATION_AZIM;
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else
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{
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std::cout<<"Unrecognized --rotation-mode option "<<mode<<", valid options are:"<<std::endl;
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std::cout<<" TRACKBALL"<<std::endl;
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std::cout<<" ELEVATION_AZIM"<<std::endl;
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return 1;
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}
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}
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solarSystem.printParameters();
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solarSystem.printParameters();
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@ -362,30 +236,129 @@ int main( int argc, char **argv )
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}
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}
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osg::Group* root = solarSystem.built();
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osg::Group* root = new osg::Group;
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/*
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// tilt the scene so the default eye position is looking down on the model.
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osg::MatrixTransform* rootnode = new osg::MatrixTransform;
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rootnode->setMatrix(osg::Matrix::rotate(osg::inDegrees(30.0f),1.0f,0.0f,0.0f));
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rootnode->addChild(model);
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*/
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osg::Group* sunLight = solarSystem.createSunLight();
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root->addChild(sunLight);
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// create the sun
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osg::Node* sun = solarSystem.createPlanet( solarSystem._radiusSun, "Sun", osg::Vec4( 1.0, 1.0, 0, 1.0f), "" );
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osg::StateSet* sunStateSet = sun->getOrCreateStateSet();
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osg::Material* material = new osg::Material;
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material->setEmission( osg::Material::FRONT_AND_BACK, osg::Vec4( 1.0f, 1.0f, 0.0f, 0.0f ) );
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sunStateSet->setAttributeAndModes( material, osg::StateAttribute::ON );
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// stick sun right under root, no transformations for the sun
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sunLight->addChild( sun );
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// create light source in the sun
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// create earth and moon
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osg::Node* earth = solarSystem.createPlanet( solarSystem._radiusEarth, "Earth", osg::Vec4( 0.0f, 0.0f, 1.0f, 1.0f), "Images/land_shallow_topo_2048.jpg" );
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osg::Node* moon = solarSystem.createPlanet( solarSystem._radiusMoon, "Moon", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f), "Images/moon256128.TGA" );
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// create transformations for the earthMoonGroup
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osg::MatrixTransform* aroundSunRotation = solarSystem.createRotation( solarSystem._RorbitEarth, solarSystem._rotateSpeedEarthAndMoon );
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osg::MatrixTransform* earthPosition = solarSystem.createEarthTranslationAndTilt();
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|
|
||||||
|
|
||||||
|
//Group with earth and moon under it
|
||||||
|
osg::Group* earthMoonGroup = new osg::Group;
|
||||||
|
|
||||||
|
|
||||||
|
//transformation to rotate the earth around itself
|
||||||
|
osg::MatrixTransform* earthRotationAroundItself = solarSystem.createRotation ( 0.0, solarSystem._rotateSpeedEarth );
|
||||||
|
|
||||||
|
//transformations for the moon
|
||||||
|
osg::MatrixTransform* moonAroundEarthXform = solarSystem.createRotation( solarSystem._RorbitMoon, solarSystem._rotateSpeedMoon );
|
||||||
|
osg::MatrixTransform* moonTranslation = solarSystem.createMoonTranslation();
|
||||||
|
|
||||||
|
|
||||||
|
moonTranslation->addChild( moon );
|
||||||
|
moonAroundEarthXform->addChild( moonTranslation );
|
||||||
|
earthMoonGroup->addChild( moonAroundEarthXform );
|
||||||
|
|
||||||
|
earthRotationAroundItself->addChild( earth );
|
||||||
|
|
||||||
|
earthMoonGroup->addChild( earthRotationAroundItself );
|
||||||
|
|
||||||
|
earthPosition->addChild( earthMoonGroup );
|
||||||
|
|
||||||
|
aroundSunRotation->addChild( earthPosition );
|
||||||
|
|
||||||
|
sunLight->addChild( aroundSunRotation );
|
||||||
|
|
||||||
|
#if 0
|
||||||
|
// add space, but don't light it, as its not illuminated by our sun
|
||||||
|
osg::Node* space = solarSystem.createSpace( "Space", "Images/spacemap.jpg" );
|
||||||
|
space->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
|
||||||
|
root->addChild( space );
|
||||||
|
#endif
|
||||||
|
|
||||||
// run optimization over the scene graph
|
// run optimization over the scene graph
|
||||||
osgUtil::Optimizer optimzer;
|
osgUtil::Optimizer optimzer;
|
||||||
|
//optimzer.optimize( dynamic_cast<osg::CoordinateSystemNode*>( root.get() ) );
|
||||||
optimzer.optimize( root );
|
optimzer.optimize( root );
|
||||||
|
|
||||||
// set the scene to render
|
// set the scene to render
|
||||||
viewer.setSceneData( root );
|
viewer.setSceneData( root );
|
||||||
|
|
||||||
|
|
||||||
|
// set up tracker manipulators, once for each astral body
|
||||||
|
{
|
||||||
|
FindNamedNodeVisitor fnnv("Sun");
|
||||||
|
root->accept(fnnv);
|
||||||
|
|
||||||
|
if (!fnnv._foundNodes.empty())
|
||||||
|
{
|
||||||
|
// set up the node tracker.
|
||||||
|
osgGA::NodeTrackerManipulator* tm = new osgGA::NodeTrackerManipulator;
|
||||||
|
tm->setTrackerMode( trackerMode );
|
||||||
|
tm->setRotationMode( rotationMode );
|
||||||
|
tm->setTrackNode( fnnv._foundNodes.front().get() );
|
||||||
|
|
||||||
|
unsigned int num = viewer.addCameraManipulator( tm );
|
||||||
|
viewer.selectCameraManipulator( num );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
{
|
||||||
|
FindNamedNodeVisitor fnnv("Moon");
|
||||||
|
root->accept(fnnv);
|
||||||
|
|
||||||
|
if (!fnnv._foundNodes.empty())
|
||||||
|
{
|
||||||
|
// set up the node tracker.
|
||||||
|
osgGA::NodeTrackerManipulator* tm = new osgGA::NodeTrackerManipulator;
|
||||||
|
tm->setTrackerMode( trackerMode );
|
||||||
|
tm->setRotationMode( rotationMode );
|
||||||
|
tm->setTrackNode( fnnv._foundNodes.front().get() );
|
||||||
|
|
||||||
|
unsigned int num = viewer.addCameraManipulator( tm );
|
||||||
|
viewer.selectCameraManipulator( num );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
{
|
||||||
|
FindNamedNodeVisitor fnnv("Earth");
|
||||||
|
root->accept(fnnv);
|
||||||
|
|
||||||
|
if (!fnnv._foundNodes.empty())
|
||||||
|
{
|
||||||
|
// set up the node tracker.
|
||||||
|
osgGA::NodeTrackerManipulator* tm = new osgGA::NodeTrackerManipulator;
|
||||||
|
tm->setTrackerMode( trackerMode );
|
||||||
|
tm->setRotationMode( rotationMode );
|
||||||
|
tm->setTrackNode( fnnv._foundNodes.front().get() );
|
||||||
|
|
||||||
|
unsigned int num = viewer.addCameraManipulator( tm );
|
||||||
|
viewer.selectCameraManipulator( num );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
// create the windows and run the threads.
|
// create the windows and run the threads.
|
||||||
viewer.realize();
|
viewer.realize();
|
||||||
|
|
||||||
osg::Matrix lookAt;
|
|
||||||
lookAt.makeLookAt( osg::Vec3(0.0f, -80.0f, 0.0f), centerScope, osg::Vec3(0.0f, 0.0f, 1.0f ) );
|
|
||||||
|
|
||||||
viewer.setView( lookAt );
|
|
||||||
|
|
||||||
viewer.setClearColor(osg::Vec4(0.0f,0.0f,0.0f,1.0f));
|
viewer.setClearColor(osg::Vec4(0.0f,0.0f,0.0f,1.0f));
|
||||||
|
|
||||||
while( !viewer.done() )
|
while( !viewer.done() )
|
||||||
@ -406,4 +379,198 @@ int main( int argc, char **argv )
|
|||||||
viewer.sync();
|
viewer.sync();
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}// end main
|
||||||
|
|
||||||
|
|
||||||
|
osg::MatrixTransform* SolarSystem::createEarthTranslationAndTilt()
|
||||||
|
{
|
||||||
|
osg::MatrixTransform* earthPositioned = new osg::MatrixTransform;
|
||||||
|
earthPositioned->setMatrix(osg::Matrix::translate(osg::Vec3( 0.0, _RorbitEarth, 0.0 ) )*
|
||||||
|
osg::Matrix::scale(1.0, 1.0, 1.0)*
|
||||||
|
osg::Matrix::rotate(osg::inDegrees( _tiltEarth ),0.0f,0.0f,1.0f));
|
||||||
|
|
||||||
|
return earthPositioned;
|
||||||
|
}// end SolarSystem::createEarthTranslationAndTilt
|
||||||
|
|
||||||
|
|
||||||
|
osg::MatrixTransform* SolarSystem::createRotation( double orbit, double speed )
|
||||||
|
{
|
||||||
|
osg::Vec3 center( 0.0, 0.0, 0.0 );
|
||||||
|
float animationLength = 10.0f;
|
||||||
|
osg::AnimationPath* animationPath = createAnimationPath( center, orbit, animationLength );
|
||||||
|
|
||||||
|
osg::MatrixTransform* rotation = new osg::MatrixTransform;
|
||||||
|
rotation->setUpdateCallback( new osg::AnimationPathCallback( animationPath, 0.0f, speed ) );
|
||||||
|
|
||||||
|
return rotation;
|
||||||
|
}// end SolarSystem::createEarthRotation
|
||||||
|
|
||||||
|
|
||||||
|
osg::MatrixTransform* SolarSystem::createMoonTranslation()
|
||||||
|
{
|
||||||
|
osg::MatrixTransform* moonPositioned = new osg::MatrixTransform;
|
||||||
|
moonPositioned->setMatrix(osg::Matrix::translate(osg::Vec3( 0.0, _RorbitMoon, 0.0 ) )*
|
||||||
|
osg::Matrix::scale(1.0, 1.0, 1.0)*
|
||||||
|
osg::Matrix::rotate(osg::inDegrees(0.0f),0.0f,0.0f,1.0f));
|
||||||
|
|
||||||
|
return moonPositioned;
|
||||||
|
}// end SolarSystem::createMoonTranslation
|
||||||
|
|
||||||
|
|
||||||
|
osg::Geode* SolarSystem::createSpace( const std::string& name, const std::string& textureName )
|
||||||
|
{
|
||||||
|
osg::Sphere *spaceSphere = new osg::Sphere( osg::Vec3( 0.0, 0.0, 0.0 ), _radiusSpace );
|
||||||
|
|
||||||
|
osg::ShapeDrawable *sSpaceSphere = new osg::ShapeDrawable( spaceSphere );
|
||||||
|
|
||||||
|
if( !textureName.empty() )
|
||||||
|
{
|
||||||
|
osg::Image* image = osgDB::readImageFile( textureName );
|
||||||
|
if ( image )
|
||||||
|
{
|
||||||
|
sSpaceSphere->getOrCreateStateSet()->setTextureAttributeAndModes( 0, new osg::Texture2D( image ), osg::StateAttribute::ON );
|
||||||
|
|
||||||
|
// reset the object color to white to allow the texture to set the colour.
|
||||||
|
sSpaceSphere->setColor( osg::Vec4(1.0f,1.0f,1.0f,1.0f) );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
osg::Geode* geodeSpace = new osg::Geode();
|
||||||
|
geodeSpace->setName( name );
|
||||||
|
|
||||||
|
geodeSpace->addDrawable( sSpaceSphere );
|
||||||
|
|
||||||
|
return( geodeSpace );
|
||||||
|
|
||||||
|
}// end SolarSystem::createSpace
|
||||||
|
|
||||||
|
|
||||||
|
osg::Geode* SolarSystem::createPlanet( double radius, const std::string& name, const osg::Vec4& color , const std::string& textureName )
|
||||||
|
{
|
||||||
|
// create a cube shape
|
||||||
|
osg::Sphere *planetSphere = new osg::Sphere( osg::Vec3( 0.0, 0.0, 0.0 ), radius );
|
||||||
|
|
||||||
|
// create a container that makes the sphere drawable
|
||||||
|
osg::ShapeDrawable *sPlanetSphere = new osg::ShapeDrawable( planetSphere );
|
||||||
|
|
||||||
|
// set the object color
|
||||||
|
sPlanetSphere->setColor( color );
|
||||||
|
|
||||||
|
if( !textureName.empty() )
|
||||||
|
{
|
||||||
|
osg::Image* image = osgDB::readImageFile( textureName );
|
||||||
|
if ( image )
|
||||||
|
{
|
||||||
|
sPlanetSphere->getOrCreateStateSet()->setTextureAttributeAndModes( 0, new osg::Texture2D( image ), osg::StateAttribute::ON );
|
||||||
|
|
||||||
|
// reset the object color to white to allow the texture to set the colour.
|
||||||
|
sPlanetSphere->setColor( osg::Vec4(1.0f,1.0f,1.0f,1.0f) );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// create a geode object to as a container for our drawable sphere object
|
||||||
|
osg::Geode* geodePlanet = new osg::Geode();
|
||||||
|
geodePlanet->setName( name );
|
||||||
|
|
||||||
|
// add our drawable sphere to the geode container
|
||||||
|
geodePlanet->addDrawable( sPlanetSphere );
|
||||||
|
|
||||||
|
return( geodePlanet );
|
||||||
|
|
||||||
|
}// end SolarSystem::createPlanet
|
||||||
|
|
||||||
|
osg::Group* SolarSystem::createSunLight()
|
||||||
|
{
|
||||||
|
|
||||||
|
osg::LightSource* sunLightSource = new osg::LightSource;
|
||||||
|
|
||||||
|
osg::Light* sunLight = sunLightSource->getLight();
|
||||||
|
sunLight->setPosition( osg::Vec4( 0.0f, 0.0f, 0.0f, 1.0f ) );
|
||||||
|
sunLight->setAmbient( osg::Vec4( 0.0f, 0.0f, 0.0f, 1.0f ) );
|
||||||
|
|
||||||
|
sunLightSource->setLight( sunLight );
|
||||||
|
sunLightSource->setLocalStateSetModes( osg::StateAttribute::ON );
|
||||||
|
sunLightSource->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::ON);
|
||||||
|
|
||||||
|
osg::LightModel* lightModel = new osg::LightModel;
|
||||||
|
lightModel->setAmbientIntensity(osg::Vec4(0.0f,0.0f,0.0f,1.0f));
|
||||||
|
sunLightSource->getOrCreateStateSet()->setAttribute(lightModel);
|
||||||
|
|
||||||
|
|
||||||
|
return sunLightSource;
|
||||||
|
}// end SolarSystem::createSunLight
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
osg::Group* SolarSystem::built()
|
||||||
|
{
|
||||||
|
osg::Group* thisSystem = new osg::Group;
|
||||||
|
|
||||||
|
// create light source in the sun
|
||||||
|
osg::Group* sunLight = createSunLight();
|
||||||
|
thisSystem->addChild( sunLight );
|
||||||
|
|
||||||
|
|
||||||
|
// create the sun
|
||||||
|
osg::Node* sun = createPlanet( _radiusSun, "Sun", osg::Vec4( 0, 0, 0, 1.0f), "" );
|
||||||
|
osg::StateSet* sunStateSet = sun->getOrCreateStateSet();
|
||||||
|
osg::Material* material = new osg::Material;
|
||||||
|
material->setEmission( osg::Material::FRONT_AND_BACK, osg::Vec4( 1.0f, 1.0f, 0.0f, 0.0f ) );
|
||||||
|
sunStateSet->setAttributeAndModes( material, osg::StateAttribute::ON );
|
||||||
|
|
||||||
|
if( !sun )
|
||||||
|
{
|
||||||
|
std::cout << "Sonne konnte nicht erstellt werden!" << std::endl;
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
sun->setStateSet( sunStateSet );
|
||||||
|
|
||||||
|
// stick sun right under root, no transformations for the sun
|
||||||
|
sunLight->addChild(sun);
|
||||||
|
|
||||||
|
|
||||||
|
//creating right side of the graph with earth and moon and the rotations above it
|
||||||
|
|
||||||
|
// create earth and moon
|
||||||
|
osg::Node* earth = createPlanet( _radiusEarth, "Earth", osg::Vec4( 0.0f, 0.0f, 1.0f, 1.0f), "Images/land_shallow_topo_2048.jpg" );
|
||||||
|
osg::Node* moon = createPlanet( _radiusMoon, "Moon", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f), "Images/moon256128.TGA" );
|
||||||
|
|
||||||
|
// create transformations for the earthMoonGroup
|
||||||
|
osg::MatrixTransform* aroundSunRotation = createRotation( _RorbitEarth, _rotateSpeedEarthAndMoon );
|
||||||
|
osg::MatrixTransform* earthPosition = createEarthTranslationAndTilt( _RorbitEarth, _tiltEarth );
|
||||||
|
|
||||||
|
//Group with earth and moon under it
|
||||||
|
osg::Group* earthMoonGroup = new osg::Group;
|
||||||
|
|
||||||
|
//transformation to rotate the earth around itself
|
||||||
|
osg::MatrixTransform* earthRotationAroundItself = createRotation ( 0.0, _rotateSpeedEarth );
|
||||||
|
|
||||||
|
//transformations for the moon
|
||||||
|
osg::MatrixTransform* moonAroundEarthXform = createRotation( _RorbitMoon, _rotateSpeedMoon );
|
||||||
|
osg::MatrixTransform* moonTranslation = createMoonTranslation( _RorbitMoon );
|
||||||
|
|
||||||
|
|
||||||
|
moonTranslation->addChild( moon );
|
||||||
|
moonAroundEarthXform->addChild( moonTranslation );
|
||||||
|
earthMoonGroup->addChild( moonAroundEarthXform );
|
||||||
|
|
||||||
|
earthRotationAroundItself->addChild( earth );
|
||||||
|
|
||||||
|
earthMoonGroup->addChild( earthRotationAroundItself );
|
||||||
|
|
||||||
|
earthPosition->addChild( earthMoonGroup );
|
||||||
|
|
||||||
|
|
||||||
|
aroundSunRotation->addChild( earthPosition );
|
||||||
|
|
||||||
|
sunLight->addChild( aroundSunRotation );
|
||||||
|
|
||||||
|
// add space, but don't light it, as its not illuminated by our sun
|
||||||
|
osg::Node* space = createSpace( _radiusSpace, "Space", "Images/spacemap.jpg" );
|
||||||
|
space->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
|
||||||
|
thisSystem->addChild( space );
|
||||||
|
|
||||||
|
return( thisSystem );
|
||||||
|
}// end SolarSystem::built()
|
||||||
|
*/
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user