hitstun_example.cs

//how to call the hitstun animation
StartCoroutine(TriggerHit(0.8f)); //0.8 seconds of invulnerability

IEnumerator TriggerHit(float delay) {
	invulnerable = true; //allow for a window of time to get away
	StartCoroutine(TriggerHitGraphic(0.1f, delay - 0.1f));
	yield return new WaitForSeconds(delay);
	invulnerable = false;
}

IEnumerator TriggerHitGraphic(float redDelay, float opacityDelay) {
	//flash red
	renderer.color = Color.red; //renderer is a reference to the SpriteRenderer component

	yield return new WaitForSeconds(redDelay);

	renderer.color = Color.white;
	renderer.material.color = new Color(1f, 1f, 1f, 0.75f);

	yield return new WaitForSeconds(opacityDelay);

	renderer.material.color = Color.white;
}