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

public class FollowPlayer : MonoBehaviour
{
    private static GameObject player;

    public float boundsX = 0.0f;
    public float boundsY = 0.0f;

    // Start is called before the first frame update
    void Start()
    {
        player = GameObject.FindWithTag("Player");
        if (player != null) {
            // Inherit player's X and Y, but not Z.
            transform.position = new Vector3(player.transform.position.x,
                                            player.transform.position.y,
                                            transform.position.z);
        }
    }

    // Update is called once per frame
    void Update()
    {
        // Center to player.
        if (player != null) {
            // Inherit player's X and Y, but not Z.
            float new_x = transform.position.x;
            new_x = Mathf.Max(new_x, player.transform.position.x - boundsX);
            new_x = Mathf.Min(new_x, player.transform.position.x + boundsX);
            float new_y = transform.position.y;
            new_y = Mathf.Max(new_y, player.transform.position.y - boundsY);
            new_y = Mathf.Min(new_y, player.transform.position.y + boundsY);
            transform.position = new Vector3(new_x,
                                            new_y,
                                            transform.position.z);
        }
    }
}