my_Trans[i] = new PositionAttitudeTransform; -Nick
On Tue, Mar 9, 2010 at 6:41 AM, Ernie Smethurst <[email protected]>wrote: > I am trying to place 100 spheres in different positions of the the screen, > i am attempting this by using a for loop that loops 100 times and each time > generates random X, Y, Z values that I then use in the setPosition() method. > > What i have written compiles but when I run it I get an exception and i > just cant seem to see the problem. > > Below is the code, its very basic so i though it would run without any > problems, can anyone spot the problem. > > > Code: > > int main(int argc,char *argv[]) > { > Group *my_Group = new Group(); > Geode *my_Geode = new Geode(); > ShapeDrawable *my_Shape = new ShapeDrawable(); > Sphere *my_Sphere = new Sphere(); > my_Sphere->setRadius(1); > my_Shape->setShape(my_Sphere); > my_Geode->addDrawable(my_Shape); > my_Group->addChild(my_Geode); > > PositionAttitudeTransform *my_Trans[100]; > > srand((unsigned)time(0)); > int lowest=0, highest=50; > int range=(highest-lowest)+1; > > double xpos, ypos, zpos; > > for(int i=1; i<100; i++) > { > xpos = lowest+int(range*rand()/(RAND_MAX + 1.0)); > cout<<"x position: "<<xpos<<endl; > ypos = lowest+int(range*rand()/(RAND_MAX + 1.0)); > cout<<"y position: "<<ypos<<endl; > zpos = lowest+int(range*rand()/(RAND_MAX + 1.0)); > cout<<"z position: "<<zpos<<endl; > my_Trans[i]->setPosition(Vec3(xpos, ypos, zpos)); > my_Trans[i]->addChild(my_Geode); > my_Group->addChild(my_Trans[i]); > } > > Viewer *simpleViewer = new Viewer; > simpleViewer->setSceneData(my_Group); > simpleViewer->setCameraManipulator(new osgGA::TrackballManipulator); > simpleViewer->setUpViewInWindow(32, 32, 1024, 800); > simpleViewer->getCamera()->setProjectionMatrixAsPerspective(30, 1.3, > 1, 2); > simpleViewer->realize(); > while (!simpleViewer->done()) > { > simpleViewer->run(); > } > } > > > > > I have #included the necessary files and am using the needed namespaces. > > Thanks. > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=25369#25369 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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