added updateWorldBound(boolean recursive) - recursive=true means the subtree is first updated. updatedWorldBound() does not change its behaviour
added updateWorldBound(boolean recursive) - recursive=true means the subtree is first updated. updatedWorldBound() does not change its behaviour

git-svn-id: 5afc437a751a4ff2ced778146f5faadda0b504ab@4780 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

chototsu/MikuMikuStudio,chototsu/MikuMikuStudio,chototsu/MikuMikuStudio,chototsu/MikuMikuStudio