Hi everyone:
How to achieve blend funtion in osg. I means by alpha(0.0~1.0) value to set
my geometry color,
I use follows code
geometry->getOrCreateStateSet()->setMode(GL_BLEND, osg::StateAttribute::ON);
osg::BlendFunc *fn = new osg::BlendFunc();
fn->setFunction(osg::BlendFunc::SRC_ALPHA,osg::BlendFunc::ONE_MINUS_SRC_ALPHA);
geometry->getOrCreateStateSet()->setAttributeAndModes(fn,
osg::StateAttribute::ON);
Best regards
YangXiao
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