Bachelor-Thesis_Furkan_Karakocaoglu/testumgebung/CrowedModelling/Assets/Scripts/ChangeMaterial.cs

using System.Collections.Generic;
using UnityEngine;

// Use Script in parent Folder of all humans
public class ChangeMaterial : MonoBehaviour
{
    public Material highlightRed;
    public Material highlightGreen;

    // Needed size, bc collision with box collider is checked
    private float radius = 1.0f;
    private Vector3 center;
    private Collider[] hitHumans;
    private List<Component> allHumansTransform = new List<Component>(); // only first depth children of parent (Humans)

    //#### If I include to parent. this should then be commented out ####
    // Start is called before the first frame update
    //private void Start()
    //{
    //    Component[] allTransform = GetComponentsInChildren<Transform>(); // all possible children of parent object
    //    foreach(Transform child in allTransform)
    //    {
    //        if(child.parent == allTransform[0])
    //        {
    //            allHumansTransform.Add(child);
    //        }
    //    }

    //    foreach(Component lst in allHumansTransform)
    //    {
    //        Debug.Log(lst.gameObject.name);
    //    }
    //}

    private void Update()
    {
        center = this.GetComponent<Transform>().position;
        hitHumans = Physics.OverlapSphere(center, radius, LayerMask.GetMask("Humans"));
        foreach (Collider hitHuman in hitHumans)
        {
            if(hitHuman.gameObject.name != gameObject.name)
            {
                Debug.Log(gameObject.name + " hit " + hitHuman.gameObject.name);
                if (hitHuman.GetComponent<MeshRenderer>().material != highlightRed)
                {
                    hitHuman.GetComponent<MeshRenderer>().material = highlightRed;
                }
                else if (hitHuman.GetComponent<MeshRenderer>().material == highlightRed)
                {
                    continue;
                }
                else
                {
                    continue;
                }
            }
        }
    }

}