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标题: 树木倒下后在重新升起的代码 [打印本页]

作者: may 时间: 2016-1-16 03:30
标题: 树木倒下后在重新升起的代码
using UnityEngine;
using System.Collections;
/// <summary>
///树先旋转平行地面,下降,在升起
///树倒下,隐藏地面,然后慢慢长起来
/// </summary>
public class TreeDeath : MonoBehaviour{
Quaternion wantQ ;//想转到的Quaternion
Quaternion BeforeQ;
Vector3 DownP;
Vector3  BeforeP;
float speed = 0.7f;//倒下的速度
bool isDown =false;//是否开始下降
bool isUp =false;
public void Death()
{
      BeforeQ = transform.rotation;
      BeforeP = transform.position;
      Vector3 dir =transform.rotation *new Vector3(Random.Range(-1f,1f),0f,Random.Range(-1f,1f))
         * Random.Range(0,360) ;//旋转使用的轴方向
      wantQ= Quaternion.AngleAxis(120, dir) * transform.rotation;
      StartCoroutine ("RoTation");
}

IEnumerator  RoTation()
{
      for(;;)
      {

         if(isUp)
         {
            if( transform.position.y>=BeforeP.y )//判断树是否升起到原来的高度
            {
                  gameObject.tag = Tags.Tree;//这里使得树变成可攻击对象
                  isUp =false;
                  isDown =false;
                  GetComponent<LifeState>().Upgrade(); //这里刷新血量
                  yield break;
            }
            transform.position = new Vector3(transform.position.x,transform.position.y+Time.deltaTime*speed,transform.position.z);

         }
         else
         {
            if(isDown==false)
            {
                  //判断树是否已经倒了,树平行地面
                  if((int)transform.localEulerAngles.x==77 || (int)transform.localEulerAngles.x==291
                  || (int)transform.localEulerAngles.z==77 || (int)transform.localEulerAngles.z==291)
                  {
                     isDown =true;
                     continue;
                  }
                  transform.rotation = Quaternion.Lerp(this.transform.rotation, wantQ, Time.deltaTime * speed);
            }
            else
            {
                  if( BeforeP.y -transform.position.y >5)//判断树是否下降到了5米
                  {
                     gameObject.transform.rotation =BeforeQ;
                     gameObject.tag =Tags.TreeGrowth;//这里使得树变成不可攻击对象
                     isUp =true;
                     continue;
                  }
                  transform.position = new Vector3(transform.position.x,transform.position.y-Time.deltaTime*speed,transform.position.z);
            }
         }

         yield return new WaitForEndOfFrame();
      }
}
}

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