void Update()
{
_damageCooldown.AddRemainingSeconds(-Time.deltaTime);
var color = spriteRenderer.color;
if (_damageCooldown.CanUse())
{
color.a = 1;
}
else
{
var time = Time.time % 0.25f;
color.a = time / 0.125f > 0.5f ? 0.5f : 1f;
}
spriteRenderer.color = color;
}