Add DamagePostProcess component for enhanced visual feedback on damage; implement vignette effect and adjust flash color settings

Assets/Scripts/Systems/DamageFlash.cs

@@ -10,7 +10,6 @@ namespace Systems
         private static readonly int MarkerFlashColor = Shader.PropertyToID("_FlashColor");
         private static readonly int MarkerFlashAmount = Shader.PropertyToID("_FlashAmount");
         private Material material;
-        private Coroutine damageFlashCoroutine;
         
         [SerializeField] private float flashDuration;
         [ColorUsage(true, true)][SerializeField] private Color flashColor = Color.white;
@@ -38,7 +37,7 @@ namespace Systems
 
         private void OnHit()
         {
-            damageFlashCoroutine = StartCoroutine(Flash());
+            StartCoroutine(Flash());
         }
 
         private IEnumerator Flash()

Assets/Scripts/Systems/DamagePostProcess.cs

@@ -0,0 +1,66 @@
+using System.Collections;
+using KBCore.Refs;
+using UnityEngine;
+using UnityEngine.Rendering;
+using UnityEngine.Rendering.Universal;
+
+namespace Systems
+{
+    public class DamagePostProcess : MonoBehaviour
+    {
+        private float ogVignetteIntensity;
+        private Coroutine runningEffect;
+        
+        [SerializeField, Scene] private Volume globalVolume;
+        [SerializeField, Self] private Health health;
+        [SerializeField] private float postProcessDuration = 0.5f;
+        
+        [SerializeField] private float vignetteHitIntensity = 0.5f;
+        
+        private void OnEnable()
+        {
+            health.OnTakeDamage += OnHit;
+        }
+
+        private void OnDisable()
+        {
+            health.OnTakeDamage -= OnHit;
+        }
+
+        private void OnHit()
+        {
+            if (runningEffect != null) StopCoroutine(runningEffect);
+            
+            runningEffect = StartCoroutine(ApplyPostProcessEffect());
+        }
+
+        private IEnumerator ApplyPostProcessEffect()
+        {
+            if (!globalVolume) yield break;
+
+            if (!globalVolume.profile.TryGet<Vignette>(out var vignette))
+                yield break;
+
+            ogVignetteIntensity = vignette.intensity.value;
+            globalVolume.profile.TryGet<ChromaticAberration>(out var chromaticAberration);
+            
+            vignette.intensity.value = vignetteHitIntensity;
+            if (chromaticAberration) chromaticAberration.active = true;
+            
+            yield return new WaitForSeconds(postProcessDuration);
+            
+            float fade = 0f, fadeDuration = 0.25f;
+            while (fade < fadeDuration)
+            {
+                fade += Time.deltaTime;
+                vignette.intensity.value = Mathf.Lerp(vignetteHitIntensity, ogVignetteIntensity, fade / fadeDuration);
+                yield return null;
+            }
+            
+            vignette.intensity.value = ogVignetteIntensity;
+            if (chromaticAberration) chromaticAberration.active = false;
+
+            runningEffect = null;
+        }
+    }
+}

Assets/Scripts/Systems/DamagePostProcess.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 6dd1de1bc65a4912a543ebc7230f4ae6
+timeCreated: 1752337882