53 lines
1.3 KiB
C#
53 lines
1.3 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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namespace AwesomeTechnologies.Utility.Quadtree
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{
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public class QuadTree<T> where T : IHasRect
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{
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/// <summary>
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/// The root QuadTreeNode
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/// </summary>
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readonly QuadTreeNode<T> _root;
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/// <summary>
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/// The bounds of this QuadTree
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/// </summary>
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private Rect _rect;
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/// <summary>
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/// Create the quadtree
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/// </summary>
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/// <param name="rect"></param>
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public QuadTree(Rect rect)
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{
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_rect = rect;
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_root = new QuadTreeNode<T>(_rect);
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}
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/// <summary>
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/// Get the count of items in the QuadTree
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/// </summary>
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public int Count => _root.Count;
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/// <summary>
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/// Insert the feature into the QuadTree
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/// </summary>
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/// <param name="item"></param>
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public void Insert(T item)
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{
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_root.Insert(item);
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}
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public void Move(Vector2 offset)
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{
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_rect = new Rect(_rect.xMin + offset.x, _rect.yMin + offset.y, _rect.width, _rect.height);
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_root.Move(offset);
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}
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public void Query(Rect area, List<T> results)
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{
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_root.Query(area,results);
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}
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}
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}
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