id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc 179,Hierarchical scene object,gongminmin,gongminmin,Currently the scene object doesn't have a parent-child structure. It makes more difficulties when the scene graph goes complex. A hierarchical scene object is needed here.,enhancement,closed,major,4.5.0,Core-Scene manager,4.3.0,fixed,,