using Script.RuntimeScript;
using System;
using UnityEngine;

public class MoveWithCurve : MonoBehaviour
{
    [HideInInspector]
    public Vector3 EndPoint = new Vector3();
    DiggingMoveCurve curve;

    private float _duration = 0.5f;
    private float _elapsedTime = 0f;
    private Vector3 _startPoint = Vector3.zero;

    private bool _begin = false;
    private Action _effectOver;

    public void Begin(Action callBack)
    {
        _begin = true;
        _elapsedTime = 0;
        _effectOver = callBack;
    }

    public void SetStartPosition(Vector3 value, DiggingMoveCurve curve)
    {
        this.curve = curve;
        _startPoint = value;
        if (curve.CurveX.length > 0)
        {
            float startTime = curve.CurveX.keys[0].time;
            float endTime = curve.CurveX.keys[curve.CurveX.length - 1].time;
            _duration = endTime - startTime;
        }

        Update();
    }

    void Update()
    {
        if (!_begin || curve == null) return;
        _elapsedTime += Time.deltaTime;
        if (_elapsedTime > _duration)
        {
            _elapsedTime = _duration;
            _begin = false;
            _effectOver?.Invoke();
        }

        Vector3 l = Vector3.Lerp(_startPoint, EndPoint, _elapsedTime / _duration);
        float speedY = curve.CurveSpeedY != null ? curve.CurveSpeedY.Evaluate(_elapsedTime) : 1;
        float speedZ = curve.CurveSpeedZ != null ? curve.CurveSpeedZ.Evaluate(_elapsedTime) : 1;
        // 使用曲线计算位置

        float newX = curve.CurveX.Evaluate(_elapsedTime) * curve.RadianScale + l.x;
        float newY = curve.CurveY.Evaluate(_elapsedTime) * curve.RadianScale * speedY + l.y;
        float newZ = curve.CurveZ.Evaluate(_elapsedTime) * curve.RadianScale * speedZ + l.z;
        transform.position = new Vector3(newX, newY, newZ);
    }


}