Unity C# Hexagon Map Coordinate Utility

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class MapCoordinateUtility {
    public static Vector2Int getTileCoordinates(Vector3 pos) {
        int x, y;
        x = Mathf.RoundToInt(pos.x / 1.5f);
        if (x % 2 == 0) {
            y = Mathf.RoundToInt((pos.z - 0.866f) / 1.732f);
        } else {
            y = Mathf.RoundToInt(pos.z / 1.732f);
        }
        return new Vector2Int(x, y);
    }
    public static Vector3 getTileCoordinates(int x, int y) {
        Vector3 newCoords = new Vector3(1.5f * (float)x, 0f, 1.732f * (float)y);
        if (x % 2 == 0) {
            newCoords += new Vector3(0f, 0f, 0.866f);
        }
        return newCoords;
    }
    public static Vector3 getTileCoordinates(Vector2Int coords) {
        return getTileCoordinates(coords.x, coords.y);
    }
    public static Vector3 getMapLocationFromScreenPoint(Camera camera, Vector3 screenCoords) {
        //https://answers.unity.com/questions/269760/ray-finding-out-x-and-z-coordinates-where-it-inter.html
        Ray ray = camera.ScreenPointToRay(screenCoords);
        //Create a plane at 0,0,0 whose normal points to +Y:
        Plane hPlane = new Plane(Vector3.up, Vector3.zero);
        //Plane.Raycast stores the distance from ray.origin to the hit point in this variable:
        float distance = 0;
        //If the ray hits the plane...
        if (hPlane.Raycast(ray, out distance)) {
            // get the hit point:
            return ray.GetPoint(distance);
        }
        return Vector3.positiveInfinity;
    }
    public static Vector2Int[] getNeighborCoordsOfLocation(Vector2Int neighborCenter) {
        List<Vector2Int> neighborCoords = new List<Vector2Int>();
        //Directly Above
        Vector2Int directlyAbove = new Vector2Int(neighborCenter.x, neighborCenter.y + 1);
        neighborCoords.Add(directlyAbove);
        //Directly Below
        Vector2Int directlyBelow = new Vector2Int(neighborCenter.x, neighborCenter.y - 1);
        neighborCoords.Add(directlyBelow);
        //Upper Right
        Vector2Int upperRight;
        if (neighborCenter.x % 2 == 0) {
            upperRight = new Vector2Int(neighborCenter.x + 1, neighborCenter.y + 1);
        } else {
            upperRight = new Vector2Int(neighborCenter.x + 1, neighborCenter.y);
        }
        neighborCoords.Add(upperRight);
        //Lower Right
        Vector2Int lowerRight;
        if (neighborCenter.x % 2 == 0) {
            lowerRight = new Vector2Int(neighborCenter.x + 1, neighborCenter.y);
        } else {
            lowerRight = new Vector2Int(neighborCenter.x + 1, neighborCenter.y - 1);
        }
        neighborCoords.Add(lowerRight);
        //Upper Left
        Vector2Int upperLeft;
        if (neighborCenter.x % 2 == 0) {
            upperLeft = new Vector2Int(neighborCenter.x - 1, neighborCenter.y + 1);
        } else {
            upperLeft = new Vector2Int(neighborCenter.x - 1, neighborCenter.y);
        }
        neighborCoords.Add(upperLeft);
        //Lower Left
        Vector2Int lowerLeft;
        if (neighborCenter.x % 2 == 0) {
            lowerLeft = new Vector2Int(neighborCenter.x - 1, neighborCenter.y);
        } else {
            lowerLeft = new Vector2Int(neighborCenter.x - 1, neighborCenter.y - 1);
        }
        neighborCoords.Add(lowerLeft);

        return neighborCoords.ToArray();
    }
}