FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added osgSim::OverlayNode to osganimate and osgspheresegment examples, and

Browse Source 
added support for setting texture size hint and coping with scene graphs
with CoordinateSystemNode in them.
This commit is contained in:
Robert Osfield
2005-09-06 15:48:18 +00:00
parent db24ea247c
commit 5283c11f8a
5 changed files with 135 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
examples/osganimate/GNUmakefile
View File

@@ -4,7 +4,7 @@ include $(TOPDIR)/Make/makedefs
CXXFILES =\
osganimate.cpp\
LIBS += -losgProducer -lProducer -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
LIBS += -losgProducer -lProducer -losgSim -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
INSTFILES = \
$(CXXFILES)\

16
examples/osganimate/osganimate.cpp
View File

@@ -13,6 +13,8 @@
#include <osgGA/FlightManipulator>
#include <osgGA/DriveManipulator>
#include <osgSim/OverlayNode>
#include <osgProducer/Viewer>
@@ -179,9 +181,19 @@ osg::Node* createModel()
osg::Group* root = new osg::Group;
root->addChild(createMovingModel(center,radius*0.8f));
osg::Node* baseModel = createBase(center-osg::Vec3(0.0f,0.0f,radius*0.5),radius);
osg::Node* movingModel = createMovingModel(center,radius*0.8f);
root->addChild(createBase(center-osg::Vec3(0.0f,0.0f,radius*0.5),radius));
#if 1
osgSim::OverlayNode* overlayNode = new osgSim::OverlayNode;
overlayNode->setOverlaySubgraph(movingModel);
overlayNode->addChild(baseModel);
root->addChild(overlayNode);
#else
root->addChild(baseModel);
#endif
root->addChild(movingModel);
return root;
}

30
examples/osgspheresegment/osgspheresegment.cpp
View File

@@ -12,6 +12,7 @@
#include <osgText/Text>
#include <osgSim/SphereSegment>
#include <osgSim/OverlayNode>
#include <osgParticle/ExplosionEffect>
#include <osgParticle/SmokeEffect>
@@ -173,9 +174,11 @@ osg::Vec3 computeTerrainIntersection(osg::Node* subgraph,float x,float y)
void build_world(osg::Group *root)
{
osg::Geode* terrainGeode = new osg::Geode;
// create terrain
osg::ref_ptr<osg::Geode> terrainGeode = 0;
{
terrainGeode = new osg::Geode;
osg::StateSet* stateset = new osg::StateSet();
osg::Image* image = osgDB::readImageFile("Images/lz.rgb");
if (image)
@@ -205,13 +208,15 @@ void build_world(osg::Group *root)
}
terrainGeode->addDrawable(new osg::ShapeDrawable(grid));
root->addChild(terrainGeode);
}
// create sphere segment
osg::ref_ptr<osgSim::SphereSegment> ss = 0;
{
osgSim::SphereSegment* ss = new osgSim::SphereSegment(
computeTerrainIntersection(terrainGeode,550.0f,780.0f), // center
ss = new osgSim::SphereSegment(
computeTerrainIntersection(terrainGeode.get(),550.0f,780.0f), // center
500.0f, // radius
osg::DegreesToRadians(135.0f),
osg::DegreesToRadians(245.0f),
@@ -221,13 +226,24 @@ void build_world(osg::Group *root)
ss->setAllColors(osg::Vec4(1.0f,1.0f,1.0f,0.5f));
ss->setSideColor(osg::Vec4(0.0f,1.0f,1.0f,0.1f));
root->addChild(ss);
root->addChild(ss.get());
}
#if 1
osgSim::OverlayNode* overlayNode = new osgSim::OverlayNode;
overlayNode->setOverlaySubgraph(ss.get());
overlayNode->setOverlayTextureSizeHint(2048);
overlayNode->addChild(terrainGeode.get());
root->addChild(overlayNode);
#else
root->addChild(terrainGeode);
#endif
// create particle effects
{
osg::Vec3 position = computeTerrainIntersection(terrainGeode,100.0f,100.0f);
osg::Vec3 position = computeTerrainIntersection(terrainGeode.get(),100.0f,100.0f);
osgParticle::ExplosionEffect* explosion = new osgParticle::ExplosionEffect(position, 10.0f);
osgParticle::SmokeEffect* smoke = new osgParticle::SmokeEffect(position, 10.0f);
@@ -240,7 +256,7 @@ void build_world(osg::Group *root)
// create particle effects
{
osg::Vec3 position = computeTerrainIntersection(terrainGeode,200.0f,100.0f);
osg::Vec3 position = computeTerrainIntersection(terrainGeode.get(),200.0f,100.0f);
osgParticle::ExplosionEffect* explosion = new osgParticle::ExplosionEffect(position, 1.0f);
osgParticle::SmokeEffect* smoke = new osgParticle::SmokeEffect(position, 1.0f);