using System;
using System.Collections.Generic;
using UnityEngine;
using Unity.Burst;
using Unity.Collections;
using Unity.Jobs;
using Unity.Mathematics;

[BurstCompile]
public struct ConstructQuadTreeJob : IJobParallelFor
{
    [ReadOnly] public Rect rect;
    [ReadOnly] public NativeArray<float2> positions;
    public NativeArray<float4> quadTree;
    public NativeArray<int> sortedIndices;

    const int capacity = 4;

    public void Execute(int index)
    {
        for (int i = 0; i < positions.Length; i++) {}
        // [ (0, ) ]
        //        A
        //     B    C
        //    D E  F G
        // [A, B, C, D, E, F, G]
    }
}

[BurstCompile]
public struct FindNearestEnemyQuadTreeJob : IJobParallelFor
{
    [ReadOnly] public NativeArray<float2> bluePositions;
    [ReadOnly] public NativeArray<float2> redPositions;
    [ReadOnly] public NativeArray<float4> quadTree;
    public NativeArray<long> nearestEnemyOfBlueIndex;
    public NativeArray<long> nearestEnemyOfRedIndex;

    public void Execute(int index)
    {
    }
}