* Some doc/cleanup on `Effect_Ss_Fhg_Flash`
* Some doc/cleanup on `Effect_Ss_Blast`
* 11DA0 -> Billboard
* doc three lerp funcs in effectss
* Some doc/cleanup on `Effect_Ss_Bomb`
* `rTexIdx` -> `rTexIndex`
* lifespan
* `LIFESPAN` -> `EFFSSBOMB_LIFESPAN`
* --parentheses
* Add todo about "having zapd forward declare static variables"
* try rework comments on effects scale
* lightning -> "a ball of electrical arcs" ?
