ZhenShiXunYouJi2/Assets/Scripts/CIG/SafeAreaRect.cs

using System;
using UnityEngine;

namespace CIG
{
	public class SafeAreaRect : MonoBehaviour
	{
		public bool Enabled { get; private set; }

		private void Start()
		{
			if (this._activateOnStart)
			{
				this.Enable();
			}
		}

		public void Enable()
		{
			if (!this.Enabled)
			{
				this.SetSafeAreaToUnitySafeArea();
				this.Enabled = true;
			}
		}

		public void Disable()
		{
			if (this.Enabled)
			{
				this.SetSafeArea(Vector2.zero, Vector2.one);
				this.Enabled = false;
			}
		}

		private void SetSafeAreaToUnitySafeArea()
		{
			Vector2 position = new Vector2(Screen.safeArea.position.x / (float)Screen.width, Screen.safeArea.position.y / (float)Screen.height);
			Vector2 size = new Vector2(Screen.safeArea.size.x / (float)Screen.width, Screen.safeArea.size.y / (float)Screen.height);
			this.SetSafeArea(position, size);
		}

		private void SetSafeArea(Vector2 position, Vector2 size)
		{
			this._rectTransform.anchorMin = position;
			this._rectTransform.anchorMax = position + size;
		}

		[SerializeField]
		private RectTransform _rectTransform;

		[SerializeField]
		private bool _activateOnStart = true;
	}
}