added second enemy type, but need more work
Merge branch 'master' of https://github.com/Wu-Hao/Moon3D
Merge pull request #22 from fusijie/master

Add LoadingScene
finished big dude enemy
Merge branch 'master' of https://github.com/Wu-Hao/Moon3D
add hp,score and warning
corrected player
merge
Merge pull request #23 from Ryeeeeee/master

add hp,score and warning
changed missile damage, corrected loading resources
completed enemy preload.