Editor stuff

Assets/Plugins/com.unity.uiextensions/Runtime/Scripts/Utilities/SelectableScaler.cs

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+///Credit Tomek S
+///Sourced from - https://pastebin.com/NXYu37jC
+
+using System.Collections;
+using UnityEngine.EventSystems;
+
+namespace UnityEngine.UI.Extensions
+{
+    [AddComponentMenu("UI/Extensions/Selectable Scalar")]
+    [RequireComponent(typeof(Button))]
+    public class SelectableScaler : MonoBehaviour, IPointerDownHandler, IPointerUpHandler
+    {
+        public AnimationCurve animCurve;
+        [Tooltip("Animation speed multiplier")]
+        public float speed = 1;
+        private Vector3 initScale;
+        public Transform target;
+
+        Selectable selectable;
+        public Selectable Target
+        {
+            get
+            {
+                if (selectable == null)
+                    selectable = GetComponent<Selectable>();
+
+                return selectable;
+            }
+        }
+        // Use this for initialization
+        void Awake()
+        {
+            if (target == null)
+                target = transform;
+
+            initScale = target.localScale;
+        }
+        void OnEnable()
+        {
+            target.localScale = initScale;
+        }
+        public void OnPointerDown(PointerEventData eventData)
+        {
+            if (Target != null && !Target.interactable)
+                return;
+
+            StopCoroutine("ScaleOUT");
+            StartCoroutine("ScaleIN");
+        }
+        public void OnPointerUp(PointerEventData eventData)
+        {
+            if (Target != null && !Target.interactable)
+                return;
+
+            StopCoroutine("ScaleIN");
+            StartCoroutine("ScaleOUT");
+        }
+
+        IEnumerator ScaleIN()
+        {
+            if (animCurve.keys.Length > 0)
+            {
+                target.localScale = initScale;
+                float t = 0;
+                float maxT = animCurve.keys[animCurve.length - 1].time;
+
+                while (t < maxT)
+                {
+                    t += speed * Time.unscaledDeltaTime;
+                    target.localScale = Vector3.one * animCurve.Evaluate(t);
+                    yield return null;
+                }
+            }
+        }
+        IEnumerator ScaleOUT()
+        {
+            if (animCurve.keys.Length > 0)
+            {
+                //target.localScale = initScale;
+                float t = 0;
+                float maxT = animCurve.keys[animCurve.length - 1].time;
+
+                while (t < maxT)
+                {
+                    t += speed * Time.unscaledDeltaTime;
+                    target.localScale = Vector3.one * animCurve.Evaluate(maxT - t);
+                    yield return null;
+                }
+                transform.localScale = initScale;
+            }
+        }
+    }
+}