private void Awake()
{
_wait = new WaitForSeconds(waitTime);
_takeDamageEffect = new EffectBuilder(this);
_takeDamageEffect
.AddEffect(new ShakeRectEffect(slider.GetComponent <RectTransform>(), maxShakeRotation, shakeSpeed, OnEffectComplete))
.AddEffect(new FlashColorEffect(sliderFill.color, takeDamageColor, sliderFill, _wait))
.AddEffect(new ScaleRectEffect(slider.GetComponent <RectTransform>(), maxScaleSize, scaleSpeed, _wait))
.OnAllEffectsComplete += OnAllEffectsComplete;
}