Boris Nikolaev
61 lines
1.6 KiB
C#
61 lines
1.6 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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namespace OHM.UnityToolkit
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{
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public static class UIUtils
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{
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public static void AlignToWorldObject(Transform worldObject, RectTransform uiObjectToAlign)
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{
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if (worldObject != null)
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{
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AlignToWorldPosition(worldObject.position, uiObjectToAlign);
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}
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}
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public static void AlignToWorldPosition(Vector3 targetWorldPosition, RectTransform uiObjectToAlign)
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{
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Camera cam = Camera.main;
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if (cam == null || uiObjectToAlign == null)
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{
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return;
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}
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Canvas canvas = uiObjectToAlign.GetComponentInParent<Canvas>();
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if (canvas == null)
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{
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return;
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}
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RectTransform canvasRect = canvas.GetComponent<RectTransform>();
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Vector3 viewport = cam.WorldToViewportPoint(targetWorldPosition);
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Vector2 canvasSize = canvasRect.sizeDelta;
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uiObjectToAlign.anchoredPosition = new Vector2(
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(viewport.x - canvasRect.pivot.x) * canvasSize.x,
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(viewport.y - canvasRect.pivot.y) * canvasSize.y);
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}
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public static bool IsInputBlocked(Vector2 inputPos)
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{
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var pointer = new PointerEventData(EventSystem.current);
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pointer.position = new Vector2(Input.mousePosition.x, Input.mousePosition.y);
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var results = new List<RaycastResult>();
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EventSystem.current.RaycastAll(pointer, results);
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for (int i = 0; i < results.Count; i++)
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{
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GameObject go = results[i].gameObject;
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if (go.GetComponent<Button>() != null)
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{
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return true;
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}
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if (go.GetComponent<UIInputBlocker>() != null)
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{
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return true;
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}
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}
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return false;
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}
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}
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}
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