using UnityEngine;
using System.Collections;

public class TestArtMove : MonoBehaviour
{
   /// <summary>
   /// 
   /// </summary>
   private Vector3 start = Vector3.zero;

    /// <summary>
    /// 
    /// </summary>
   private Vector3 end = Vector3.zero;

    /// <summary>
    /// 
    /// </summary>
   public void Init(Vector3 _s,Vector3 _e)
    {
        this.start = _s;
        this.end = _e;
    }

    /// <summary>
    /// 
    /// </summary>
    void Update()
    {
        if (this.start == Vector3.zero || this.end == Vector3.zero)
        {
            return;
        }

        if (Vector2.Distance(transform.position, new Vector2(this.end.x,this.end.y)) < 0.01f)
        {
            return;
        }

        //两者中心点  
        Vector3 center = (this.start + this.end) * 0.5f;

        center -= new Vector3(0, 1, 0);

        Vector3 start = this.start - center;
        Vector3 end = this.end - center;

        //弧形插值  
        Vector3 curtPos = Vector3.Slerp(start, end, Time.time);
        transform.position = new Vector3(curtPos.x, curtPos.y, 0);
        //transform.position += center;
    }
}