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

public class skrypt : MonoBehaviour
{
    public Transform p1;
    public Transform p2;
    public Transform p3;

    void Start ()
    {
        GameObject obj = new GameObject();
        obj.name = "Collider";
        obj.AddComponent<BoxCollider>();
        BoxCollider col = obj.GetComponent<BoxCollider>();

        Vector3 pos = (p1.position + p2.position) / 2;
        pos.y += 20;
        obj.transform.position = pos;

        float y = pos.y;
        var pos1 = new Vector3(p1.position.x, y, p1.position.z);
        var pos2 = new Vector3(p2.position.x, y, p2.position.z);
        var pos3 = new Vector3(p3.position.x, y, p3.position.z);
        col.size = new Vector3(Vector3.Distance(pos1, pos3), 60, Vector3.Distance(pos2, pos3));

        Vector3 center = Vector3.Lerp(pos1, pos3, 0.5f);
        obj.transform.LookAt(center);
    }
}