riversong code showcase

Source/Riversong/Game/UI/Helpers/VisualElementExtensions.cs

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+using System;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace DanieleMarotta.RiversongCodeShowcase
+{
+    public static class VisualElementExtensions
+    {
+        public static VisualElement GetFirstAncestorOrSelf(this VisualElement element, Func<VisualElement, bool> predicate)
+        {
+            while (element != null)
+            {
+                if (predicate(element)) return element;
+                element = element.parent;
+            }
+
+            return null;
+        }
+
+        public static void SetAbsoluteScreenPosition(this VisualElement element, Vector2 screenPoint)
+        {
+            element.style.position = Position.Absolute;
+            element.style.left = screenPoint.x;
+            element.style.top = Screen.height - screenPoint.y;
+        }
+
+        public static void SetScale(this VisualElement element, float value)
+        {
+            element.style.scale = new StyleScale(new Scale(Vector2.one * value));
+        }
+
+        public static void SetPickingModeRecursive(this VisualElement element, PickingMode pickingMode)
+        {
+            element.pickingMode = pickingMode;
+
+            var hierarchy = element.hierarchy;
+            for (var i = 0; i < hierarchy.childCount; i++) hierarchy.ElementAt(i).SetPickingModeRecursive(pickingMode);
+        }
+    }
+}