FollowMouse.cs

FollowMouse.cs

using UnityEngine;

public class FollowMouse : MonoBehaviour
{
    public float positionZ = 0;

    private void Update()
    {
        Vector3 mouseWorldPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
        mouseWorldPosition.z = positionZ;
        transform.position = mouseWorldPosition;
    }
}