edit: attempted polish but failed

Assets/Scripts/LemonGenericLib/Visual Effects/CameraController.cs

@@ -207,6 +207,7 @@ namespace Lemon.GenericLib.VFX {
         public void ApplyScreenShake(float duration, float newShakePower, bool isSmall = false)
         {
             //cb.enabled = false;
+            Debug.Log("shake man!!!'");
             StopCoroutine("Screenshake");
             StartCoroutine(Screenshake(duration, newShakePower, isSmall));
 

Assets/Scripts/LemonGenericLib/Visual Effects/HitFlash.cs

@@ -0,0 +1,57 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Lemon.GenericLib.VFX {
+    public class HitFlash : MonoBehaviour
+    {
+        public float flashDuration = 0.1f;
+        public SpriteRenderer sr;
+        public Material flashMaterial;
+        private Material defaultMaterial;
+        public bool getSR = false;
+
+        private void Start()
+        {
+            if (getSR) sr = GetComponent<SpriteRenderer>();
+
+            defaultMaterial = sr.material;
+        }
+
+        public void SetFlash(bool isFlashing = true)
+        {
+            if (isFlashing) sr.material = flashMaterial;
+            else sr.material = defaultMaterial;
+        }
+
+        public void Flash()
+        {
+            StartCoroutine(FlashRoutine());
+
+        }
+
+        public void Flash(float duration)
+        {
+            StartCoroutine(FlashRoutine(duration));
+
+        }
+
+        IEnumerator FlashRoutine()
+        {
+            sr.material = flashMaterial;
+            yield return new WaitForSeconds(flashDuration);
+            sr.material = defaultMaterial;
+
+        }
+
+        IEnumerator FlashRoutine(float duration)
+        {
+            sr.material = flashMaterial;
+            yield return new WaitForSeconds(duration);
+            sr.material = defaultMaterial;
+
+        }
+
+    }
+}
+

Assets/Scripts/LemonGenericLib/Visual Effects/HitFlash.cs.meta

@@ -0,0 +1,11 @@
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+MonoImporter:
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+  defaultReferences: []
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+  icon: {instanceID: 0}
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