ml-agents/Project/Assets/Samples/Cinemachine/2.7.1/Cinemachine Example Scenes/Scenes/CameraMagnets/CameraMagnetTargetController.cs

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

public class CameraMagnetTargetController : MonoBehaviour
{
    public CinemachineTargetGroup targetGroup;

    private int playerIndex;
    private CameraMagnetProperty[] cameraMagnets;
    // Start is called before the first frame update
    void Start()
    {
        cameraMagnets = GetComponentsInChildren<CameraMagnetProperty>();
        playerIndex = 0;
    }

    // Update is called once per frame
    void Update()
    {
        for (int i = 1; i < targetGroup.m_Targets.Length; ++i)
        {
            float distance = (targetGroup.m_Targets[playerIndex].target.position -
                              targetGroup.m_Targets[i].target.position).magnitude;
            if (distance < cameraMagnets[i - 1].Proximity)
            {
                targetGroup.m_Targets[i].weight = cameraMagnets[i - 1].MagnetStrength *
                                                  (1 - (distance / cameraMagnets[i - 1].Proximity));
            }
            else
            {
                targetGroup.m_Targets[i].weight = 0;
            }
        }
    }
}