added new mob class
Modifid freqMob to change the colour of mobs as they take damage, a precursor to freeze towers
Modified to use new freqMobs
continued editing freqMob and squashed some bugs.
continued editing freqMob and squashed some bugs.
Merge branch 'frequencyscaling' of https://github.com/TeamAudioplode/AudioplodePrototype into frequencyscaling
Size dependent sounds
small bug in sound generation...
reversed sound directions; big things made high frequency sounds