using UnityEngine;

public class Camerafollow : MonoBehaviour
{
    public Transform target;
    public Transform leftBounds;
    public Transform rightBounds;

    public float smoothDampTime = 0.15f;

    private Vector3 smoothDampVelocity = Vector3.zero;
    private float camWidth;
    private float camHeight;
    private float levelMinX;
    private float levelMaxX;

    // Start is called before the first frame update
    void Start()
    {
        camHeight = Camera.main.orthographicSize * 2;
        camWidth = camHeight * Camera.main.aspect;

        float leftBoundswidth = leftBounds.GetComponentInChildren<SpriteRenderer>().bounds.size.x / 2;
        float rightBoundsWidth = rightBounds.GetComponentInChildren<SpriteRenderer>().bounds.size.x / 2;

        levelMinX = leftBounds.position.x + leftBoundswidth + (camWidth / 2);
        levelMaxX = rightBounds.position.x - rightBoundsWidth - (camWidth / 2);
    }

    // Update is called once per frame
    void Update()
    {
        if (target)
            float targetX = Mathf.Max(levelMinX, Mathf.Min(levelMaxX, target.position.x));
        float x = Mathf.SmoothDamp(transform.position.x, targetX, ref smoothDampVelocity, smoothDampTime);

        transform.position = new Vector3(x, transform.position.y, transform.position.z);
    }
}