Small cleanup
Added placeholder generic enemy gets hit sound
Added placeholder generic enemy death explosion
Increase some enemy pollen counts
Tweak drone spawn timing in first mission
Minor Cleanup
Spawn some stardust at the beginning of the first mission
Tweak initial pollen spawning
Add some variety to enemy death pollen spawn speed
Added some geometry (visual, no collision yet) to the first mission.
Draw level geometry below player; remove deprecated BLOCK handling.
Add more butterfly bombers to the first mission
Increas Halcyon pollen collection radius
First mission bomber spawn tweaking
Tweak spawning of first stardust cloud
Rename "pollen" to "stardust"
Butterfly Bombers now orient their sprites in their travel direction.
Speed up fall rate of first stardust cluster