SandTraySystem_HDTXC_danji/Assets/Scripts/Tool/ObjStretch.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
//Author:ZCG
//CreatTime:12/1/2017
/// <summary>
///<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD>ٱ۵ȣ<EFBFBD>
/// </summary>
public class ObjStretch: MonoBehaviour
{
    private void Start()
    {
        Init();
        initY = objUp[0].localPosition.y;//<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ڸ߶<EFBFBD>
    }
    private void Update()
    {
        InputControl();
    }
    /// <summary>
    /// <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
    /// </summary>
    protected virtual void Init()
    {
       
    }
    /// <summary>
    /// <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    /// </summary>
    protected virtual void InputControl()
    {
        if (Input.GetKey(KeyCode.LeftShift) && Input.GetKey(KeyCode.W))
            Stretch();
        if (Input.GetKey(KeyCode.LeftShift) && Input.GetKey(KeyCode.S))
            Shorten();
    }
    /// <summary>
    /// <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹؼ<EFBFBD><EFBFBD>ֻ<EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    /// </summary>
    /// <returns></returns>
    protected Transform[] GetObj(string keyword)
    {
        List<Transform> childs = new List<Transform>();
        for (int i = 0; i < transform.childCount; i++)
        {
            var child = transform.GetChild(i);
            if (child.name.Contains(keyword))
            {
                childs.Add(child);
            }
        }
        return childs.ToArray();
    }
    [Tooltip("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>壨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ڣ<EFBFBD>")]
    /// <summary>
    /// <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ڣ<EFBFBD>
    /// </summary>
    public Transform[] objUp;
    private Vector3 speedVec = new Vector3(0, 1, 0);
    [Tooltip("ÿһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>")]
    public float nodeLength;
    [Tooltip("<EFBFBD>ٶ<EFBFBD>")]
    public float speed;
    private float initY;
    //<EFBFBD>ڼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    private int index = 0;
    /// <summary>
    /// <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    /// </summary>
    protected virtual void Stretch()
    {
        //<EFBFBD><EFBFBD><EFBFBD>ݸ߶ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵڼ<EFBFBD><EFBFBD><EFBFBD>
        if (objUp[index].localPosition.y < (index+1) * nodeLength)
        {
            for (int i = index; i < objUp.Length; i++)//<EFBFBD><EFBFBD><EFBFBD>н<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD>
                objUp[i].localPosition += speed * Time.deltaTime * speedVec;
        }
        else if(index < objUp.Length - 1)
        {
            index++;
            Stretch();
        }
    }
    /// <summary>
    /// <EFBFBD>ջ<EFBFBD>
    /// </summary>
    protected virtual void Shorten()
    {
        //<EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD>չ
        if (objUp[index].localPosition.y > initY)
        {
            for (int i = index; i < objUp.Length; i++)//<EFBFBD>ƶ<EFBFBD>ÿһ<EFBFBD>ڽ<EFBFBD><EFBFBD><EFBFBD>
                objUp[i].localPosition -= speed * Time.deltaTime * speedVec;
        }
        //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD>꿪ʼ<EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>
        if (index > 0 && objUp[index].localPosition.y <= objUp[index - 1].localPosition.y)
        {
            index--;
            Shorten();
        }
    }
}