using System;
using System.Collections;
using UnityEngine;

public class Projectile_Curved : ProjectileBase
{
    public void Launch_Curved(Vector3 start, Vector3 end, float duration, float curveHeight, bool endoff, Action endact = null)
    {
        StartCoroutine(MoveAlongCurve(start, end, duration, curveHeight, endoff, endact));
    }

    private IEnumerator MoveAlongCurve(Vector3 start, Vector3 end, float duration, float curveHeight, bool endoff, Action endact)
    {
        float elapsedTime = 0f;

        Vector3 controlPoint = (start + end) * 0.5f; // 시작과 끝의 중간 지점
        controlPoint += Vector3.up * curveHeight; // 곡선 높이 추가

        while (elapsedTime < duration)
        {
            elapsedTime += Time.deltaTime;
            float t = elapsedTime / duration;

            // 베지어 곡선 계산
            Vector3 pointOnCurve = Mathf.Pow(1 - t, 2) * start + 2 * (1 - t) * t * controlPoint + Mathf.Pow(t, 2) * end;

            // 투사체 위치 이동
            transform.position = pointOnCurve;
            yield return null;
        }
        transform.position = end;

        if (endoff) Off(true);
        endact?.Invoke();
    }
}