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标题: 鼠标左击控制子物体们发散和聚合 [打印本页]

作者: 王者再临 时间: 2014-11-30 08:06
标题: 鼠标左击控制子物体们发散和聚合
/***
* 鼠标左击控制物体发散和聚合
*
*/
using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Disprese : MonoBehaviour
{
//物体时发散还是聚合(true为发散，false是聚合)
bool isDisprese = true ;
//鼠标是否左击了
bool isOnclick = false;
//存储所有子物体
List<Transform> childList;
//存储所有子物体的初始位置
List<Vector3> instancePosition;
//存储所有子物体的改变之后的位置
List<Vector3> changePosition;
//物体发散的位移的倍数,默认为四倍
int mulriple = 4;

//设置物体发散和聚合运动的时间(20帧)
int time = 0;

void Start()
{
      childList = new List<Transform>();
      instancePosition = new List<Vector3>();
      changePosition = new List<Vector3>();
      //初始化子物体集合、初始位置集合、改变之后位置集合
      foreach (Transform child in transform)
      {
         childList.Add(child);
         instancePosition.Add(child.position);
         changePosition.Add(child.position);
      }
}
/// <summary>
/// OnGUI()是每一帧执行几次
/// </summary>
void OnGUI()
{
      //鼠标左击是改变聚散状态，和记录点击事件
      if (Input.GetMouseButtonDown(0))
      {
         isOnclick = true;
      }
}

void Update()
{
      if (isOnclick)
      {

         if (time > 20)
         {
            time = 0;

            if (isDisprese)//改变物体发散还是聚合的状态
            {
                  isDisprese = false;
            }
            else
            {
                  isDisprese = true;
            }
         }
         else
         {
            time++;
         }
         TranslatePosition();
      }
}
/// <summary>
/// 子物体位置改变
/// </summary>
void TranslatePosition()
{
      for (int i = 0; i < childList.Count; i++)
      {
         //初始化子物体们改变之后的位置
         changePosition[i] = new Vector3(instancePosition[i].x * mulriple, instancePosition[i].y * mulriple, instancePosition[i].z * mulriple);
         //判断是聚合还是发散
         if (isDisprese)
         {
            if (childList[i].position != changePosition[i])
            {
                  childList[i].position = Vector3.Lerp(instancePosition[i], changePosition[i], time * 0.05f);
            }
            else if (childList[i].position == changePosition[i])
            {
                  isOnclick = false;
            }
         }
         else
         {
            if (childList[i].position != instancePosition[i])
            {
                  childList[i].position = Vector3.Lerp(changePosition[i], instancePosition[i], time * 0.05f);
            }
            else if (childList[i].position == instancePosition[i])
            {
                  isOnclick = false;
            }
         }
      }
}
}

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