frame.rot -> frame.rotate
[fix] use (+i===i) to test number
modify function support removed
refractor
use newStateMachine for STORY
use newStateMachine instead of newState
draw object in order by layer
[new] enemy kill effect
[new] GAME.statics
[fix] no more dannmaku after enemy died
add more frames for player animation
[new] GAME.statics.time/point
[new] UTIL.newTimeRunner
[fix] state machine can go to state 0 now
replace dialog section with multiple states
[fix] enemy kill effects
minor display changes
move state machine hook into STORY