update NewMapScene
Merge pull request #54 from alexwolfwang/master

update NewMapScene
implement new method in NewMapScene
Merge pull request #55 from alexwolfwang/master

create new method in NewMapScene
update method of NewMapScene
Merge pull request #56 from alexwolfwang/master

update method of NewMapScene
change file name
small change
Merge branch 'master' into zz_local