37 lines
1.0 KiB
C#
37 lines
1.0 KiB
C#
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#if UNITY_EDITOR
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using UnityEngine;
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using UnityEngine.UIElements;
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using System.Collections.Generic;
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namespace GSpawn
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{
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public static class ScrollViewEx
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{
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public static T findClosestOutOfBounds<T>(this ScrollView scrollView, List<T> items) where T : VisualElement
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{
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T closestItem = null;
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float minDist = float.MaxValue;
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Rect scrollViewRect = scrollView.localBound;
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var itemCorners = new List<Vector2>();
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foreach(var item in items)
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{
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Rect itemRect = item.localBound;
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itemRect.calcCorners(itemCorners);
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if (!scrollViewRect.containsPoints(itemCorners))
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{
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float d = (itemRect.center - scrollViewRect.center).magnitude;
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if (d < minDist)
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{
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minDist = d;
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closestItem = item;
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}
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}
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}
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return closestItem;
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}
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}
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}
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#endif
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