using UnityEngine;

using System.Collections;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;

public class Shake : Anim
{
    #region 变量

    protected override bool InDestination
    {
        get
        {
            if (Target.position == Origin)
            {
                _InDestination = true;
            }
            else
            {
                _InDestination = false;
            }

            return _InDestination;
        }
        set
        {
            _InDestination = value;

            if (_InDestination)
            {
                Target.position = Origin;
            }
        }
    }

    protected int Repeat;
    protected float Z;
    protected float Timer;
    protected float Duration;
    protected Vector3 Origin;
    protected Vector3 Strength;
    protected Transform Target;

    protected ShakeFunctionV Func;

    #endregion

    public Shake(Transform transform)
    {
        Target = transform;
    }

    public override bool Do()
    {
        Timer += Time.fixedDeltaTime;

        if (Timer > Duration)
        {
            Timer = 0;

            InDestination = true;

            ManaAnim.AnimList.Remove(this);

            if (OnFinish != null)
            {
                OnFinish.Invoke();
            }

            return true;
        }
        else
        {
            Target.position = Func(Timer, Duration, Repeat, Origin, Strength);
            Target.SetZ(Z);

            return false;
        }
    }

    public void StartShake(int repeat, float duration, Vector3 strength, Curve curve)
    {
        InDestination = false;

        Repeat = repeat;

        Z = Target.position.z;

        Origin = Target.position;
        Strength = strength;
        Duration = duration;

        Func = ManaAnim.ShakeFunctionDicV[curve];

        if (OnStart != null)
        {
            OnStart.Invoke();
        }

        ManaAnim.AnimList.Remove(this);
        ManaAnim.AnimList.Add(this);
    }
}