5Y5T3M/Assets/Scripts/Node.cs

using UnityEngine;

[ExecuteAlways]
public class Node : MonoBehaviour
{
    [Range(-1, 1)]
    [SerializeField]
    private int Owner = -1;

    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    { 
        transform.localPosition = transform.localPosition.normalized * 20f;
        transform.forward = transform.position;
            
        switch (Owner)
        {
            case 0:
                transform.GetChild(0).GetComponent<Renderer>().sharedMaterial.color = Color.red; break;
            case 1:
                transform.GetChild(0).GetComponent<Renderer>().sharedMaterial.color = Color.green; break;
            case -1:
                transform.GetChild(0).GetComponent<Renderer>().sharedMaterial.color = Color.gray; break;
        }
        
    }

    private void OnMouseDown()
    {
        Owner = Owner >= 1 ? -1 : Owner + 1;
    }
}