46 lines
1.9 KiB
C#
Executable File
46 lines
1.9 KiB
C#
Executable File
// Copyright (c) 2024 Synty Studios Limited. All rights reserved.
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//
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// Use of this software is subject to the terms and conditions of the End User Licence Agreement (EULA)
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// of the store at which you purchased this asset.
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//
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// Synty assets are available at:
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// https://www.syntystore.com
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// https://assetstore.unity.com/publishers/5217
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// https://www.fab.com/sellers/Synty%20Studios
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//
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// Sample scripts are included only as examples and are not intended as production-ready.
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using UnityEngine;
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using UnityEngine.UI;
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namespace Synty.Interface.FantasyMenus.Samples
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{
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/// <summary>
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/// Helper functions for the scroll rect component
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/// </summary>
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public static class ScrollRectExtensions
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{
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public static void SnapChildIntoView(this ScrollRect instance, RectTransform child)
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{
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instance.content.localPosition = GetSnapToPositionToBringChildIntoView(instance, child);
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}
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public static Vector3 GetSnapToPositionToBringChildIntoView(this ScrollRect instance, RectTransform child)
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{
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Canvas.ForceUpdateCanvases();
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RectTransform rectTransform = instance.viewport != null ? instance.viewport : instance.GetComponent<RectTransform>();
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Bounds childBounds = RectTransformUtility.CalculateRelativeRectTransformBounds(rectTransform, child);
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float shiftDown = -Mathf.Max(0, childBounds.max.y - rectTransform.rect.yMax);
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float shiftUp = -Mathf.Min(0, childBounds.min.y - rectTransform.rect.yMin);
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float shiftLeft = -Mathf.Max(0, childBounds.max.x - rectTransform.rect.xMax);
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float shiftRight = -Mathf.Min(0, childBounds.min.x - rectTransform.rect.xMin);
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Vector3 shift = new Vector3( instance.horizontal ? shiftLeft + shiftRight : 0, instance.vertical ? shiftUp + shiftDown: 0, 0);
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return instance.content.localPosition + shift;
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}
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}
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} |