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From Rainer, updates to osgplanet.

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This commit is contained in:
Robert Osfield 2004-10-25 18:23:42 +00:00
parent e464bcae81
commit 4352fe3f9f
1 changed files with 35 additions and 19 deletions
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54
examples/osgplanets/osgplanets.cpp
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@ -6,6 +6,8 @@
#include <osg/Geometry>
#include <osg/Geode>
#include <osg/ShapeDrawable>
#include <osg/Texture2D>
#include <osgUtil/Optimizer>
@ -86,16 +88,29 @@ osg::MatrixTransform* createMoonTranslation( double RorbitMoon )
}// end createMoonTranslation
osg::Geode* createPlanet( double radius, std::string name, osg::Vec4 color )
osg::Geode* 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();
@ -106,7 +121,8 @@ osg::Geode* createPlanet( double radius, std::string name, osg::Vec4 color )
return( geodePlanet );
}// end createPlanet
//--radiusSun 5.0 --radiusEarth 2.0 --RorbitEarth 10.0 --RorbitMoon 2.0 --radiusMoon 0.5 --tiltEarth 18.0 --rotateSpeedEarth 1.0
//--rotateSpeedMoon 1.0 --rotateSpeedEarthAndMoon 1.0
class SolarSystem
{
@ -122,17 +138,18 @@ public:
double _RorbitMoon;
double _rotateSpeedMoon;
SolarSystem(
double _radiusSun = 20.0,
double _radiusEarth = 10.0,
double _RorbitEarth = 100.0,
double _tiltEarth = 5.0,
double _rotateSpeedEarthAndMoon = 5.0,
double _rotateSpeedEarth = 5.0,
double _radiusMoon = 2.0,
double _RorbitMoon = 20.0,
double _rotateSpeedMoon = 5.0 )
{}
SolarSystem()
{
_radiusSun = 5.0;
_radiusEarth = 2.0;
_RorbitEarth = 10.0;
_tiltEarth = 18.0;
_rotateSpeedEarthAndMoon = 1.0;
_rotateSpeedEarth = 1.0;
_radiusMoon = 0.5;
_RorbitMoon = 2.0;
_rotateSpeedMoon = 1.0;
}
osg::Group* built()
{
@ -140,7 +157,7 @@ public:
// create the sun
osg::Node* sun = createPlanet( _radiusSun, "Sun", osg::Vec4( 1.0f, 1.0f, 0.5f, 1.0f) );
osg::Node* sun = createPlanet( _radiusSun, "Sun", osg::Vec4( 1.0f, 1.0f, 0.5f, 1.0f), "" );
// stick sun right under root, no transformations for the sun
thisSystem->addChild( sun );
@ -150,8 +167,8 @@ public:
//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) );
osg::Node* moon = createPlanet( _radiusMoon, "Moon", osg::Vec4( 1.0f, 1.0f, 1.0f, 1.0f) );
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 );
@ -232,8 +249,7 @@ int main( int argc, char **argv )
while (arguments.read("--RorbitMoon",solarSystem._RorbitMoon)) { }
while (arguments.read("--rotateSpeedMoon",solarSystem._rotateSpeedMoon)) { }
// solarSystem.printParameters();
solarSystem.printParameters();
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))