move sprite flash handling to subroutine
add testing level (no enemies)
implement velocity responsive unit sprites
add rocket launcher graphic and adjust Sprite origin access
work on arm data loading
Fix naming error for unit health
pass Wave[] into Hud constructor
allow public access to Wave's enemy array
unit sprite arm drawing
arm rotation functional
work on weaponsprite
just use 1 weapon for now
WeaponSprite data & placeholder
work on weapon sprites
weapon sprite drawing
weapon sprite drawing
Weapon orientation close to correct.

Just need to express correct hand position rather than using texture
height.
weaponsprite rotation working
projectiles exit muzzle
Arm and weapon move behind/in-front when unit turns