add texture loading for rain. assertion occurs
fix rain texture setting.
better rain
add strength in shader
merge master into newRain
add rainStrength uniform to flush.frag
Merge branch 'newRain' of github.com:lanice/elemate into newRain
remove farPlane moving, change fog behaviour, add timed rain
add rain achievement
adjust fog with rain, fade rain sound in/out
Merge pull request #141 from lanice/newRain

New rain