add exit zone
basic customisation of shading/lighting
add first barriers (data+loader, collision, render)
diseable level selector
try adjust avatar control
* can't go left/right when jumping/dashing
* slowdown when jumping/dashing
* adjust duration of jumping/dashing on the speed
larger barrier
try blur post-fx
gfx, exp darker, ao formula, no shadow
barriers: fix bug in recyle, add barriers in l0
define 2 end message + a small animation on hit
exit point is always behind the last barrier
update notes
update l0
allow "randow barrier", adjust dash duration
adjust level and barrier size (for better impression)