chore: initial commit

Assets/Feel/NiceVibrations/Demo/DemoAssets/CarDemo/Scripts/PowerBarElement.cs

@@ -0,0 +1,57 @@
+// Copyright (c) Meta Platforms, Inc. and affiliates. 
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Lofelt.NiceVibrations
+{
+    public class PowerBarElement : MonoBehaviour
+    {
+        public float BumpDuration = 0.15f;
+        public Color NormalColor;
+        public Color InactiveColor;
+        public AnimationCurve Curve;
+
+        protected Image _image;
+        protected float _bumpDuration = 0f;
+        protected bool _active = false;
+        protected bool _activeLastFrame = false;
+
+        protected virtual void Awake()
+        {
+            _image = this.gameObject.GetComponent<Image>();
+        }
+
+        public virtual void SetActive(bool status)
+        {
+            _active = status;
+            _image.color = status ? NormalColor : InactiveColor;
+        }
+
+        protected virtual void Update()
+        {
+            if (_active && !_activeLastFrame)
+            {
+                StartCoroutine(ColorBump());
+            }
+            _activeLastFrame = _active;
+        }
+
+        protected virtual IEnumerator ColorBump()
+        {
+            _bumpDuration = 0f;
+            while (_bumpDuration < BumpDuration)
+            {
+                float curveValue = Curve.Evaluate(_bumpDuration / BumpDuration);
+                _image.color = Color.Lerp(NormalColor, Color.white, curveValue);
+
+                _bumpDuration += Time.deltaTime;
+                yield return null;
+            }
+
+            _image.color = NormalColor;
+        }
+    }
+}