using UnityEngine;

// The camera is not outside the game
public class ClampedFollowCamera : MonoBehaviour
{
    [Header("References")]
    [SerializeField] private Transform player;
    [SerializeField] private Transform startPoint;
    [SerializeField] private Transform finishPoint;

    [Header("Settings")]
    [Tooltip("How quickly the camera catches up")]
    [SerializeField] private float smoothSpeed = 5f;

    private float camHalfWidth;

    void Start()
    {
        // Get half the camera width based on orthographic size
        camHalfWidth = Camera.main.orthographicSize * Camera.main.aspect;
    }

    void LateUpdate()
    {
        if (player == null || startPoint == null || finishPoint == null)
            return;

        // Clamp camera so its edges don’t go past start/finish
        float minX = startPoint.position.x + camHalfWidth;
        float maxX = finishPoint.position.x - camHalfWidth;
        float targetX = Mathf.Clamp(player.position.x, minX, maxX);

        Vector3 targetPosition = new Vector3(targetX, transform.position.y, transform.position.z);
        transform.position = Vector3.Lerp(transform.position, targetPosition, smoothSpeed * Time.deltaTime);
    }
}