iFactory.Cutting.Unity/Assets/BITKit/Unity/Scripts/WorldChunk/WorldChunkManager.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Linq;
using NativeQuadTree;
using Unity.Mathematics;

namespace BITKit.WorldChunk
{
    public class WorldChunkManager : MonoBehaviour
    {
        public Vector2Int playerSize;
        private Rect playerRect;

        private void Start()
        {
            var quadTree = new NativeQuadTree<int>(new AABB2D(default, new float2(1024,1024)));
        }

        private void FixedUpdate()
        {
            var cameraPos = Camera.main.transform.position;
            Vector2 position = new()
            {
                x = cameraPos.x - playerSize.x / 2,
                y = cameraPos.z - playerSize.y / 2,
            };
            playerRect = new(position, playerSize);
            OnUpdate();
            //ThreadHelper.Add(OnUpdate);
        }
        private void OnUpdate()
        {
            foreach (var x in  WorldChunk.ChunksArray)
            {
                var isOverlay = playerRect.Overlaps(x.GetRect());
                x.SetActive(isOverlay);
            }
        }
    }
}