Added setConstantColorAsLightDirection & getConstantColorAsLightDirection methods to make it more convinient to set up DOT3 register combiners.
Added setConstantColorAsLightDirection & getConstantColorAsLightDirection methods
to make it more convinient to set up DOT3 register combiners.


omega-hub/osg,XiaoCC/osg,ntoand/osg,XiaoCC/osg,stmh/osg,koshman86/osg,XiaoCC/osg,XiaoCC/osg,stmh/osg,ghub/osg,artoolkit/osg,koshman86/osg,ghub/osg,ntoand/osg,artoolkit/osg,stmh/osg,ghub/osg,koshman86/osg,koshman86/osg,omega-hub/osg,ntoand/osg,omega-hub/osg,ntoand/osg,ghub/osg,XiaoCC/osg,artoolkit/osg,stmh/osg,stmh/osg,artoolkit/osg,omega-hub/osg