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OpenSceneGraph/examples/osgplanets/osgplanets.cpp
Robert Osfield c4279bd5f1 Ported following examples to osgViewer: 
osgparticleeffects
osgphotoalbum
osgpick
osgpoints
osgpointsprite
osgprecipitation
osgprerender
osgprerendercubemap
osgreflect
osgscalarbar
osgscribe
osgsequence
osgplanets
2007-01-10 13:52:22 +00:00

956 lines
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/* details about distances and rotation on http://www.solarviews.com/eng/solarsys.htm */
#include <iostream>
#include <osg/Notify>
#include <osg/MatrixTransform>
#include <osg/PositionAttitudeTransform>
#include <osg/Geometry>
#include <osg/Geode>
#include <osg/ShapeDrawable>
#include <osg/Texture2D>
#include <osg/Material>
#include <osg/Light>
#include <osg/LightSource>
#include <osg/LightModel>
#include <osg/Billboard>
#include <osg/LineWidth>
#include <osg/TexEnv>
#include <osg/TexEnvCombine>
#include <osg/ClearNode>
#include <osgUtil/Optimizer>
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>
#include <osgGA/NodeTrackerManipulator>
#include <osgGA/TrackballManipulator>
#include <osgGA/FlightManipulator>
#include <osgGA/DriveManipulator>
#include <osgGA/KeySwitchMatrixManipulator>
#include <osgViewer/Viewer>
static osg::Vec3 defaultPos( 0.0f, 0.0f, 0.0f );
static osg::Vec3 centerScope(0.0f, 0.0f, 0.0f);
/** create quad at specified position. */
osg::Drawable* createSquare(const osg::Vec3& corner,const osg::Vec3& width,const osg::Vec3& height, osg::Image* image=NULL)
{
// set up the Geometry.
osg::Geometry* geom = new osg::Geometry;
osg::Vec3Array* coords = new osg::Vec3Array(4);
(*coords)[0] = corner;
(*coords)[1] = corner+width;
(*coords)[2] = corner+width+height;
(*coords)[3] = corner+height;
geom->setVertexArray(coords);
osg::Vec3Array* norms = new osg::Vec3Array(1);
(*norms)[0] = width^height;
(*norms)[0].normalize();
geom->setNormalArray(norms);
geom->setNormalBinding(osg::Geometry::BIND_OVERALL);
osg::Vec2Array* tcoords = new osg::Vec2Array(4);
(*tcoords)[0].set(0.0f,0.0f);
(*tcoords)[1].set(1.0f,0.0f);
(*tcoords)[2].set(1.0f,1.0f);
(*tcoords)[3].set(0.0f,1.0f);
geom->setTexCoordArray(0,tcoords);
osg::Vec4Array* colours = new osg::Vec4Array(1);
(*colours)[0].set(1.0f,1.0f,1.0f,1.0f);
geom->setColorArray(colours);
geom->setColorBinding(osg::Geometry::BIND_OVERALL);
geom->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS,0,4));
if (image)
{
osg::StateSet* stateset = new osg::StateSet;
osg::Texture2D* texture = new osg::Texture2D;
texture->setImage(image);
stateset->setTextureAttributeAndModes(0,texture,osg::StateAttribute::ON);
stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
geom->setStateSet(stateset);
}
return geom;
}
osg::Image* createBillboardImage(const osg::Vec4& centerColour, unsigned int size, float power)
{
osg::Vec4 backgroundColour = centerColour;
backgroundColour[3] = 0.0f;
osg::Image* image = new osg::Image;
image->allocateImage(size,size,1,
GL_RGBA,GL_UNSIGNED_BYTE);
float mid = (float(size)-1)*0.5f;
float div = 2.0f/float(size);
for(unsigned int r=0;r<size;++r)
{
unsigned char* ptr = image->data(0,r,0);
for(unsigned int c=0;c<size;++c)
{
float dx = (float(c) - mid)*div;
float dy = (float(r) - mid)*div;
float r = powf(1.0f-sqrtf(dx*dx+dy*dy),power);
if (r<0.0f) r=0.0f;
osg::Vec4 color = centerColour*r+backgroundColour*(1.0f-r);
// color.set(1.0f,1.0f,1.0f,0.5f);
*ptr++ = (unsigned char)((color[0])*255.0f);
*ptr++ = (unsigned char)((color[1])*255.0f);
*ptr++ = (unsigned char)((color[2])*255.0f);
*ptr++ = (unsigned char)((color[3])*255.0f);
}
}
return image;
//return osgDB::readImageFile("spot.dds");
}
osg::AnimationPath* createAnimationPath(const osg::Vec3& center,float radius,double looptime)
{
// set up the animation path
osg::AnimationPath* animationPath = new osg::AnimationPath;
animationPath->setLoopMode(osg::AnimationPath::LOOP);
int numSamples = 1000;
float yaw = 0.0f;
float yaw_delta = -2.0f*osg::PI/((float)numSamples-1.0f);
float roll = osg::inDegrees(30.0f);
double time=0.0f;
double time_delta = looptime/(double)numSamples;
for(int i=0;i<numSamples;++i)
{
osg::Vec3 position(center+osg::Vec3(sinf(yaw)*radius,cosf(yaw)*radius,0.0f));
osg::Quat rotation(osg::Quat(roll,osg::Vec3(0.0,1.0,0.0))*osg::Quat(-(yaw+osg::inDegrees(90.0f)),osg::Vec3(0.0,0.0,1.0)));
animationPath->insert(time,osg::AnimationPath::ControlPoint(position,rotation));
yaw += yaw_delta;
time += time_delta;
}
return animationPath;
}// end createAnimationPath
class SolarSystem
{
public:
double _radiusSpace;
double _radiusSun;
double _radiusMercury;
double _radiusVenus;
double _radiusEarth;
double _radiusMoon;
double _radiusMars;
double _radiusJupiter;
double _RorbitMercury;
double _RorbitVenus;
double _RorbitEarth;
double _RorbitMoon;
double _RorbitMars;
double _RorbitJupiter;
double _rotateSpeedSun;
double _rotateSpeedMercury;
double _rotateSpeedVenus;
double _rotateSpeedEarthAndMoon;
double _rotateSpeedEarth;
double _rotateSpeedMoon;
double _rotateSpeedMars;
double _rotateSpeedJupiter;
double _tiltEarth;
std::string _mapSpace;
std::string _mapSun;
std::string _mapVenus;
std::string _mapMercury;
std::string _mapEarth;
std::string _mapEarthNight;
std::string _mapMoon;
std::string _mapMars;
std::string _mapJupiter;
double _rotateSpeedFactor;
double _RorbitFactor;
double _radiusFactor;
SolarSystem()
{
_radiusSpace = 500.0;
_radiusSun = 109.0;
_radiusMercury = 0.38;
_radiusVenus = 0.95;
_radiusEarth = 1.0;
_radiusMoon = 0.1;
_radiusMars = 0.53;
_radiusJupiter = 5.0;
_RorbitMercury = 11.7;
_RorbitVenus = 21.6;
_RorbitEarth = 30.0;
_RorbitMoon = 1.0;
_RorbitMars = 45.0;
_RorbitJupiter = 156.0;
// orbital period in days
_rotateSpeedSun = 0.0; // should be 11.97; // 30.5 average
_rotateSpeedMercury = 4.15; // 87.96
_rotateSpeedVenus = 1.62; // 224.70
_rotateSpeedEarthAndMoon = 1.0; // 365.25
_rotateSpeedEarth = 1.0; //
_rotateSpeedMoon = 0.95; //
_rotateSpeedMars = 0.53; // 686.98
_rotateSpeedJupiter = 0.08; // 4332.71
_tiltEarth = 23.45; // degrees
_mapSpace = "Images/spacemap2.jpg";
_mapSun = "SolarSystem/sun256128.jpg";
_mapMercury = "SolarSystem/mercury256128.jpg";
_mapVenus = "SolarSystem/venus256128.jpg";
_mapEarth = "Images/land_shallow_topo_2048.jpg";
_mapEarthNight = "Images/land_ocean_ice_lights_2048.jpg";
_mapMoon = "SolarSystem/moon256128.jpg";
_mapMars = "SolarSystem/mars256128.jpg";
_mapJupiter = "SolarSystem/jupiter256128.jpg";
_rotateSpeedFactor = 0.5;
_RorbitFactor = 15.0;
_radiusFactor = 10.0;
}
osg::MatrixTransform* createTranslationAndTilt( double translation, double tilt );
osg::MatrixTransform* createRotation( double orbit, double speed );
osg::Geode* createSpace( const std::string& name, const std::string& textureName );
osg::Geode* createPlanet( double radius, const std::string& name, const osg::Vec4& color , const std::string& textureName );
osg::Geode* createPlanet( double radius, const std::string& name, const osg::Vec4& color , const std::string& textureName1, const std::string& textureName2);
osg::Group* createSunLight();
void rotateSpeedCorrection()
{
_rotateSpeedSun *= _rotateSpeedFactor;
_rotateSpeedMercury *= _rotateSpeedFactor;
_rotateSpeedVenus *= _rotateSpeedFactor;
_rotateSpeedEarthAndMoon *= _rotateSpeedFactor;
_rotateSpeedEarth *= _rotateSpeedFactor;
_rotateSpeedMoon *= _rotateSpeedFactor;
_rotateSpeedMars *= _rotateSpeedFactor;
_rotateSpeedJupiter *= _rotateSpeedFactor;
std::cout << "rotateSpeed corrected by factor " << _rotateSpeedFactor << std::endl;
}
void RorbitCorrection()
{
_RorbitMercury *= _RorbitFactor;
_RorbitVenus *= _RorbitFactor;
_RorbitEarth *= _RorbitFactor;
_RorbitMoon *= _RorbitFactor;
_RorbitMars *= _RorbitFactor;
_RorbitJupiter *= _RorbitFactor;
std::cout << "Rorbits corrected by factor " << _RorbitFactor << std::endl;
}
void radiusCorrection()
{
_radiusSpace *= _radiusFactor;
//_radiusSun *= _radiusFactor;
_radiusMercury *= _radiusFactor;
_radiusVenus *= _radiusFactor;
_radiusEarth *= _radiusFactor;
_radiusMoon *= _radiusFactor;
_radiusMars *= _radiusFactor;
_radiusJupiter *= _radiusFactor;
std::cout << "Radius corrected by factor " << _radiusFactor << std::endl;
}
void printParameters();
}; // end SolarSystem
class FindNamedNodeVisitor : public osg::NodeVisitor
{
public:
FindNamedNodeVisitor(const std::string& name):
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
_name(name) {}
virtual void apply(osg::Node& node)
{
if (node.getName()==_name)
{
_foundNodes.push_back(&node);
}
traverse(node);
}
typedef std::vector< osg::ref_ptr<osg::Node> > NodeList;
std::string _name;
NodeList _foundNodes;
};
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::createTranslationAndTilt( double /*translation*/, double tilt )
{
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( tilt ),0.0f,0.0f,1.0f));
return moonPositioned;
}// end SolarSystem::createTranslationAndTilt
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 container that makes the sphere drawable
osg::Geometry *sPlanetSphere = new osg::Geometry();
{
// set the single colour so bind overall
osg::Vec4Array* colours = new osg::Vec4Array(1);
(*colours)[0] = color;
sPlanetSphere->setColorArray(colours);
sPlanetSphere->setColorBinding(osg::Geometry::BIND_OVERALL);
// now set up the coords, normals and texcoords for geometry
unsigned int numX = 100;
unsigned int numY = 50;
unsigned int numVertices = numX*numY;
osg::Vec3Array* coords = new osg::Vec3Array(numVertices);
sPlanetSphere->setVertexArray(coords);
osg::Vec3Array* normals = new osg::Vec3Array(numVertices);
sPlanetSphere->setNormalArray(normals);
sPlanetSphere->setNormalBinding(osg::Geometry::BIND_PER_VERTEX);
osg::Vec2Array* texcoords = new osg::Vec2Array(numVertices);
sPlanetSphere->setTexCoordArray(0,texcoords);
sPlanetSphere->setTexCoordArray(1,texcoords);
double delta_elevation = osg::PI / (double)(numY-1);
double delta_azim = 2.0*osg::PI / (double)(numX-1);
float delta_tx = 1.0 / (float)(numX-1);
float delta_ty = 1.0 / (float)(numY-1);
double elevation = -osg::PI*0.5;
float ty = 0.0;
unsigned int vert = 0;
unsigned j;
for(j=0;
j<numY;
++j, elevation+=delta_elevation, ty+=delta_ty )
{
double azim = 0.0;
float tx = 0.0;
for(unsigned int i=0;
i<numX;
++i, ++vert, azim+=delta_azim, tx+=delta_tx)
{
osg::Vec3 direction(cos(azim)*cos(elevation), sin(azim)*cos(elevation), sin(elevation));
(*coords)[vert].set(direction*radius);
(*normals)[vert].set(direction);
(*texcoords)[vert].set(tx,ty);
}
}
for(j=0;
j<numY-1;
++j)
{
unsigned int curr_row = j*numX;
unsigned int next_row = curr_row+numX;
osg::DrawElementsUShort* elements = new osg::DrawElementsUShort(GL_QUAD_STRIP);
for(unsigned int i=0;
i<numX;
++i)
{
elements->push_back(next_row + i);
elements->push_back(curr_row + i);
}
sPlanetSphere->addPrimitiveSet(elements);
}
}
// set the object color
//sPlanetSphere->setColor( color );
// create a geode object to as a container for our drawable sphere object
osg::Geode* geodePlanet = new osg::Geode();
geodePlanet->setName( name );
if( !textureName.empty() )
{
osg::Image* image = osgDB::readImageFile( textureName );
if ( image )
{
osg::Texture2D* tex2d = new osg::Texture2D( image );
tex2d->setWrap( osg::Texture::WRAP_S, osg::Texture::REPEAT );
tex2d->setWrap( osg::Texture::WRAP_T, osg::Texture::REPEAT );
geodePlanet->getOrCreateStateSet()->setTextureAttributeAndModes( 0, tex2d, 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) );
}
}
// add our drawable sphere to the geode container
geodePlanet->addDrawable( sPlanetSphere );
return( geodePlanet );
}// end SolarSystem::createPlanet
osg::Geode* SolarSystem::createPlanet( double radius, const std::string& name, const osg::Vec4& color , const std::string& textureName1, const std::string& textureName2)
{
osg::Geode* geodePlanet = createPlanet( radius, name, color , textureName1);
if( !textureName2.empty() )
{
osg::Image* image = osgDB::readImageFile( textureName2 );
if ( image )
{
osg::StateSet* stateset = geodePlanet->getOrCreateStateSet();
osg::TexEnvCombine* texenv = new osg::TexEnvCombine;
texenv->setCombine_RGB(osg::TexEnvCombine::INTERPOLATE);
texenv->setSource0_RGB(osg::TexEnvCombine::PREVIOUS);
texenv->setOperand0_RGB(osg::TexEnvCombine::SRC_COLOR);
texenv->setSource1_RGB(osg::TexEnvCombine::TEXTURE);
texenv->setOperand1_RGB(osg::TexEnvCombine::SRC_COLOR);
texenv->setSource2_RGB(osg::TexEnvCombine::PRIMARY_COLOR);
texenv->setOperand2_RGB(osg::TexEnvCombine::SRC_COLOR);
stateset->setTextureAttribute( 1, texenv );
osg::Texture2D* tex2d = new osg::Texture2D( image );
tex2d->setWrap( osg::Texture::WRAP_S, osg::Texture::REPEAT );
tex2d->setWrap( osg::Texture::WRAP_T, osg::Texture::REPEAT );
stateset->setTextureAttributeAndModes( 1, tex2d, osg::StateAttribute::ON );
}
}
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
void SolarSystem::printParameters()
{
std::cout << "radiusSpace(" << _radiusSpace << ")" << std::endl;
std::cout << "radiusSun(" << _radiusSun << ")" << std::endl;
std::cout << "radiusMercury(" << _radiusMercury << ")" << std::endl;
std::cout << "radiusVenus(" << _radiusVenus << ")" << std::endl;
std::cout << "radiusEarth(" << _radiusEarth << ")" << std::endl;
std::cout << "radiusMoon(" << _radiusMoon << ")" << std::endl;
std::cout << "radiusMars(" << _radiusMars << ")" << std::endl;
std::cout << "radiusJupiter(" << _radiusJupiter << ")" << std::endl;
std::cout << "RorbitMercury(" << _RorbitMercury << ")" << std::endl;
std::cout << "RorbitVenus(" << _RorbitVenus << ")" << std::endl;
std::cout << "RorbitEarth(" << _RorbitEarth << ")" << std::endl;
std::cout << "RorbitMoon(" << _RorbitMoon << ")" << std::endl;
std::cout << "RorbitMars(" << _RorbitMars << ")" << std::endl;
std::cout << "RorbitJupiter(" << _RorbitJupiter << ")" << std::endl;
std::cout << "rotateSpeedMercury(" << _rotateSpeedMercury << ")" << std::endl;
std::cout << "rotateSpeedVenus(" << _rotateSpeedVenus << ")" << std::endl;
std::cout << "rotateSpeedEarthAndMoon(" << _rotateSpeedEarthAndMoon << ")" << std::endl;
std::cout << "rotateSpeedEarth(" << _rotateSpeedEarth << ")" << std::endl;
std::cout << "rotateSpeedMoon(" << _rotateSpeedMoon << ")" << std::endl;
std::cout << "rotateSpeedMars(" << _rotateSpeedMars << ")" << std::endl;
std::cout << "rotateSpeedJupiter(" << _rotateSpeedJupiter << ")" << std::endl;
std::cout << "tiltEarth(" << _tiltEarth << ")" << std::endl;
std::cout << "mapSpace(" << _mapSpace << ")" << std::endl;
std::cout << "mapSun(" << _mapSun << ")" << std::endl;
std::cout << "mapMercury(" << _mapMercury << ")" << std::endl;
std::cout << "mapVenus(" << _mapVenus << ")" << std::endl;
std::cout << "mapEarth(" << _mapEarth << ")" << std::endl;
std::cout << "mapEarthNight(" << _mapEarthNight << ")" << std::endl;
std::cout << "mapMoon(" << _mapMoon << ")" << std::endl;
std::cout << "mapMars(" << _mapMars << ")" << std::endl;
std::cout << "mapJupiter(" << _mapJupiter << ")" << std::endl;
std::cout << "rotateSpeedFactor(" << _rotateSpeedFactor << ")" << std::endl;
std::cout << "RorbitFactor(" << _RorbitFactor << ")" << std::endl;
std::cout << "radiusFactor(" << _radiusFactor << ")" << std::endl;
}
int main( int argc, char **argv )
{
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
// set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrates use of osg::AnimationPath and UpdateCallbacks for adding animation to your scenes.");
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
arguments.getApplicationUsage()->addCommandLineOption("-o <filename>","Write created model to file");
// initialize the viewer.
osgViewer::Viewer viewer;
osg::ref_ptr<osgGA::KeySwitchMatrixManipulator> keyswitchManipulator = new osgGA::KeySwitchMatrixManipulator;
viewer.setCameraManipulator( keyswitchManipulator.get() );
SolarSystem solarSystem;
while (arguments.read("--radiusSpace",solarSystem._radiusSpace)) { }
while (arguments.read("--radiusSun",solarSystem._radiusSun)) { }
while (arguments.read("--radiusMercury",solarSystem._radiusMercury)) { }
while (arguments.read("--radiusVenus",solarSystem._radiusVenus)) { }
while (arguments.read("--radiusEarth",solarSystem._radiusEarth)) { }
while (arguments.read("--radiusMoon",solarSystem._radiusMoon)) { }
while (arguments.read("--radiusMars",solarSystem._radiusMars)) { }
while (arguments.read("--radiusJupiter",solarSystem._radiusJupiter)) { }
while (arguments.read("--RorbitEarth",solarSystem._RorbitEarth)) { }
while (arguments.read("--RorbitMoon",solarSystem._RorbitMoon)) { }
while (arguments.read("--rotateSpeedEarthAndMoon",solarSystem._rotateSpeedEarthAndMoon)) { }
while (arguments.read("--rotateSpeedEarth",solarSystem._rotateSpeedEarth)) { }
while (arguments.read("--rotateSpeedMoon",solarSystem._rotateSpeedMoon)) { }
while (arguments.read("--tiltEarth",solarSystem._tiltEarth)) { }
while (arguments.read("--mapSpace",solarSystem._mapSpace)) { }
while (arguments.read("--mapEarth",solarSystem._mapEarth)) { }
while (arguments.read("--mapEarthNight",solarSystem._mapEarthNight)) { }
while (arguments.read("--mapMoon",solarSystem._mapMoon)) { }
while (arguments.read("--rotateSpeedFactor",solarSystem._rotateSpeedFactor)) { }
while (arguments.read("--RorbitFactor",solarSystem._RorbitFactor)) { }
while (arguments.read("--radiusFactor",solarSystem._radiusFactor)) { }
solarSystem.rotateSpeedCorrection();
solarSystem.RorbitCorrection();
solarSystem.radiusCorrection();
std::string writeFileName;
while (arguments.read("-o",writeFileName)) { }
osgGA::NodeTrackerManipulator::TrackerMode trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER_AND_ROTATION;
std::string mode;
while (arguments.read("--tracker-mode",mode))
{
if (mode=="NODE_CENTER_AND_ROTATION") trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER_AND_ROTATION;
else if (mode=="NODE_CENTER_AND_AZIM") trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER_AND_AZIM;
else if (mode=="NODE_CENTER") trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER;
else
{
std::cout<<"Unrecognized --tracker-mode option "<<mode<<", valid options are:"<<std::endl;
std::cout<<" NODE_CENTER_AND_ROTATION"<<std::endl;
std::cout<<" NODE_CENTER_AND_AZIM"<<std::endl;
std::cout<<" NODE_CENTER"<<std::endl;
return 1;
}
}
osgGA::NodeTrackerManipulator::RotationMode rotationMode = osgGA::NodeTrackerManipulator::TRACKBALL;
while (arguments.read("--rotation-mode",mode))
{
if (mode=="TRACKBALL") rotationMode = osgGA::NodeTrackerManipulator::TRACKBALL;
else if (mode=="ELEVATION_AZIM") rotationMode = osgGA::NodeTrackerManipulator::ELEVATION_AZIM;
else
{
std::cout<<"Unrecognized --rotation-mode option "<<mode<<", valid options are:"<<std::endl;
std::cout<<" TRACKBALL"<<std::endl;
std::cout<<" ELEVATION_AZIM"<<std::endl;
return 1;
}
}
// solarSystem.printParameters();
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
std::cout << "setup the following arguments: " << std::endl;
std::cout << "\t--radiusSpace: double" << std::endl;
std::cout << "\t--radiusSun: double" << std::endl;
std::cout << "\t--radiusMercury: double" << std::endl;
std::cout << "\t--radiusVenus: double" << std::endl;
std::cout << "\t--radiusEarth: double" << std::endl;
std::cout << "\t--radiusMoon: double" << std::endl;
std::cout << "\t--radiusMars: double" << std::endl;
std::cout << "\t--radiusJupiter: double" << std::endl;
std::cout << "\t--RorbitMercury: double" << std::endl;
std::cout << "\t--RorbitVenus: double" << std::endl;
std::cout << "\t--RorbitEarth: double" << std::endl;
std::cout << "\t--RorbitMoon: double" << std::endl;
std::cout << "\t--RorbitMars: double" << std::endl;
std::cout << "\t--RorbitJupiter: double" << std::endl;
std::cout << "\t--rotateSpeedMercury: double" << std::endl;
std::cout << "\t--rotateSpeedVenus: double" << std::endl;
std::cout << "\t--rotateSpeedEarthAndMoon: double" << std::endl;
std::cout << "\t--rotateSpeedEarth: double" << std::endl;
std::cout << "\t--rotateSpeedMoon: double" << std::endl;
std::cout << "\t--rotateSpeedMars: double" << std::endl;
std::cout << "\t--rotateSpeedJupiter: double" << std::endl;
std::cout << "\t--tiltEarth: double" << std::endl;
std::cout << "\t--mapSpace: string" << std::endl;
std::cout << "\t--mapSun: string" << std::endl;
std::cout << "\t--mapMercury: string" << std::endl;
std::cout << "\t--mapVenus: string" << std::endl;
std::cout << "\t--mapEarth: string" << std::endl;
std::cout << "\t--mapEarthNight: string" << std::endl;
std::cout << "\t--mapMoon: string" << std::endl;
std::cout << "\t--mapMars: string" << std::endl;
std::cout << "\t--mapJupiter: string" << std::endl;
std::cout << "\t--rotateSpeedFactor: string" << std::endl;
std::cout << "\t--RorbitFactor: string" << std::endl;
std::cout << "\t--radiusFactor: string" << std::endl;
return 1;
}
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
{
arguments.writeErrorMessages(std::cout);
return 1;
}
osg::Group* root = new osg::Group;
osg::ClearNode* clearNode = new osg::ClearNode;
clearNode->setClearColor(osg::Vec4(0.0f,0.0f,0.0f,1.0f));
root->addChild(clearNode);
osg::Group* sunLight = solarSystem.createSunLight();
root->addChild(sunLight);
// create the sun
osg::Node* solarSun = solarSystem.createPlanet( solarSystem._radiusSun, "Sun", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f), solarSystem._mapSun );
osg::StateSet* sunStateSet = solarSun->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 );
osg::Billboard* sunBillboard = new osg::Billboard();
sunBillboard->setMode(osg::Billboard::POINT_ROT_EYE);
sunBillboard->addDrawable(
createSquare(osg::Vec3(-150.0f,0.0f,-150.0f),osg::Vec3(300.0f,0.0f,0.0f),osg::Vec3(0.0f,0.0f,300.0f),createBillboardImage( osg::Vec4( 1.0, 1.0, 0, 1.0f), 64, 1.0) ),
osg::Vec3(0.0f,0.0f,0.0f));
sunLight->addChild( sunBillboard );
// stick sun right under root, no transformations for the sun
sunLight->addChild( solarSun );
// create light source in the sun
/*
*********************************************
** earthMoonGroup and Transformations
*********************************************
*/
// create earth and moon
osg::Node* earth = solarSystem.createPlanet( solarSystem._radiusEarth, "Earth", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f), solarSystem._mapEarth, solarSystem._mapEarthNight );
osg::Node* moon = solarSystem.createPlanet( solarSystem._radiusMoon, "Moon", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f), solarSystem._mapMoon );
// create transformations for the earthMoonGroup
osg::MatrixTransform* aroundSunRotationEarthMoonGroup = solarSystem.createRotation( solarSystem._RorbitEarth, solarSystem._rotateSpeedEarthAndMoon );
// osg::MatrixTransform* earthMoonGroupPosition = solarSystem.createTranslationAndTilt( solarSystem._RorbitEarth, solarSystem._tiltEarth );
osg::MatrixTransform* earthMoonGroupPosition = solarSystem.createTranslationAndTilt( solarSystem._RorbitEarth, 0.0 );
//Group with earth and moon under it
osg::Group* earthMoonGroup = new osg::Group;
//transformation to rotate the earth around itself
osg::MatrixTransform* earthAroundItselfRotation = solarSystem.createRotation ( 0.0, solarSystem._rotateSpeedEarth );
//transformations for the moon
osg::MatrixTransform* moonAroundEarthRotation = solarSystem.createRotation( solarSystem._RorbitMoon, solarSystem._rotateSpeedMoon );
osg::MatrixTransform* moonTranslation = solarSystem.createTranslationAndTilt( solarSystem._RorbitMoon, 0.0 );
moonTranslation->addChild( moon );
moonAroundEarthRotation->addChild( moonTranslation );
earthMoonGroup->addChild( moonAroundEarthRotation );
earthAroundItselfRotation->addChild( earth );
earthMoonGroup->addChild( earthAroundItselfRotation );
earthMoonGroupPosition->addChild( earthMoonGroup );
aroundSunRotationEarthMoonGroup->addChild( earthMoonGroupPosition );
sunLight->addChild( aroundSunRotationEarthMoonGroup );
/*
*********************************************
** end earthMoonGroup and Transformations
*********************************************
*/
/*
*********************************************
** Mercury and Transformations
*********************************************
*/
osg::Node* mercury = solarSystem.createPlanet( solarSystem._radiusMercury, "Mercury", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f ), solarSystem._mapMercury, "" );
osg::MatrixTransform* aroundSunRotationMercury = solarSystem.createRotation( solarSystem._RorbitMercury, solarSystem._rotateSpeedMercury );
osg::MatrixTransform* mercuryPosition = solarSystem.createTranslationAndTilt( solarSystem._RorbitMercury, 0.0f );
mercuryPosition->addChild( mercury );
aroundSunRotationMercury->addChild( mercuryPosition );
sunLight->addChild( aroundSunRotationMercury );
/*
*********************************************
** end Mercury and Transformations
*********************************************
*/
/*
*********************************************
** Venus and Transformations
*********************************************
*/
osg::Node* venus = solarSystem.createPlanet( solarSystem._radiusVenus, "Venus", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f ), solarSystem._mapVenus, "" );
osg::MatrixTransform* aroundSunRotationVenus = solarSystem.createRotation( solarSystem._RorbitVenus, solarSystem._rotateSpeedVenus );
osg::MatrixTransform* venusPosition = solarSystem.createTranslationAndTilt( solarSystem._RorbitVenus, 0.0f );
venusPosition->addChild( venus );
aroundSunRotationVenus->addChild( venusPosition );
sunLight->addChild( aroundSunRotationVenus );
/*
*********************************************
** end Venus and Transformations
*********************************************
*/
/*
*********************************************
** Mars and Transformations
*********************************************
*/
osg::Node* mars = solarSystem.createPlanet( solarSystem._radiusMars, "Mars", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f ), solarSystem._mapMars, "" );
osg::MatrixTransform* aroundSunRotationMars = solarSystem.createRotation( solarSystem._RorbitMars, solarSystem._rotateSpeedMars );
osg::MatrixTransform* marsPosition = solarSystem.createTranslationAndTilt( solarSystem._RorbitMars, 0.0f );
marsPosition->addChild( mars );
aroundSunRotationMars->addChild( marsPosition );
sunLight->addChild( aroundSunRotationMars );
/*
*********************************************
** end Mars and Transformations
*********************************************
*/
/*
*********************************************
** Jupiter and Transformations
*********************************************
*/
osg::Node* jupiter = solarSystem.createPlanet( solarSystem._radiusJupiter, "Jupiter", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f ), solarSystem._mapJupiter, "" );
osg::MatrixTransform* aroundSunRotationJupiter = solarSystem.createRotation( solarSystem._RorbitJupiter, solarSystem._rotateSpeedJupiter );
osg::MatrixTransform* jupiterPosition = solarSystem.createTranslationAndTilt( solarSystem._RorbitJupiter, 0.0f );
jupiterPosition->addChild( jupiter );
aroundSunRotationJupiter->addChild( jupiterPosition );
sunLight->addChild( aroundSunRotationJupiter );
/*
*********************************************
** end Jupiter and Transformations
*********************************************
*/
/*
// add space, but don't light it, as its not illuminated by our sun
osg::Node* space = solarSystem.createSpace( "Space", solarSystem._mapSpace );
space->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
root->addChild( space );
*/
if (!writeFileName.empty())
{
osgDB::writeNodeFile(*root, writeFileName);
std::cout<<"Written solar system to \""<<writeFileName<<"\""<<std::endl;
return 0;
}
// run optimization over the scene graph
osgUtil::Optimizer optimzer;
optimzer.optimize( root );
// set the scene to render
viewer.setSceneData( root );
// set up tracker manipulators, once for each astral body
{
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 = keyswitchManipulator->getNumMatrixManipulators();
keyswitchManipulator->addMatrixManipulator( 'm', "moon", tm );
keyswitchManipulator->selectMatrixManipulator( 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 = keyswitchManipulator->getNumMatrixManipulators();
keyswitchManipulator->addMatrixManipulator( 'e', "earth", tm);
keyswitchManipulator->selectMatrixManipulator( num );
}
}
{
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 = keyswitchManipulator->getNumMatrixManipulators();
keyswitchManipulator->addMatrixManipulator( 's', "sun", tm);
keyswitchManipulator->selectMatrixManipulator( num );
}
}
return viewer.run();
}// end main
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