use crate::prelude::*;
pub fn countdown(val: u8) -> u8 {
if val > 0 {
return val - 1;
} else {
return 0;
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
#[derive(SystemLabel)]
pub enum FighterSystemLabels {
InputWrite,
InputRead,
PhysicsUpdate,
PhysicsExecute,
}