fixed  a bug in attackEffect
Merge branch 'master' of https://github.com/fusijie/FantasyWarrior3D
Merge pull request #99 from zaojiahua/master

modify billboardparticlesysytem
change camera perspective as actor is special attacking
added actorTestScene
Merge pull request #100 from calfjohn/master

2 commits
Merge pull request #101 from Wu-Hao/master

added actorTestScene
update knight reskin.
update knight reskin.
Merge branch 'master' of github.com:fusijie/FantasyWarrior3D
modify dropblood to hpcounter and fix button bugs