Hello, I tried what you said, but it doesn't work.
Do you see an error in my code ?
Code:
osg::ref_ptr<osg::Sphere> sphere = new osg::Sphere(osg::Vec3f(0.0, 0.0, 0.0),
.5f);
osg::ref_ptr<osg::ShapeDrawable> sphereDrawable = new
osg::ShapeDrawable(sphere.get());
sphereDrawable->getOrCreateStateSet()->setMode(osg::StateAttribute::BLENDCOLOR,
osg::StateAttribute::ON);
osg::ref_ptr<osg::Geode> sphereGeode = new osg::Geode();
sphereGeode->addDrawable(sphereDrawable.get());
osg::Matrix I = osg::Matrix::identity();
osg::ref_ptr<osg::MatrixTransform> mtI = new osg::MatrixTransform(I);
mtI->addChild(sphereGeode.get());
double x = 0.0;
for (int k = 0; k < 10; k++) {
osg::ref_ptr<osg::PositionAttitudeTransform> patSphere = new
osg::PositionAttitudeTransform();
patSphere->setPosition(osg::Vec3f(x, 0.0, 0.0));
if (k == 5) {
osg::BlendColor* bc = new osg::BlendColor(osg::Vec4(1.0, 0.0,
0.0, 1.0));
patSphere->getOrCreateStateSet()->setAttributeAndModes(bc,
osg::StateAttribute::ON);
patSphere->getOrCreateStateSet()->setMode(osg::StateAttribute::BLENDCOLOR,
osg::StateAttribute::ON);
}
patSphere->addChild(mtI.get());
root->addChild(patSphere.get());
}
Thanks. :)
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http://forum.openscenegraph.org/viewtopic.php?p=26754#26754
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