Unity3D UI Text得分数字增加的实例代码

using UnityEngine;
using System.Collections;
using UnityEngine.UI;    **//导入资源库**
public class Score : MonoBehaviour {
 public static Text txt;    **//定义静态变量名以用于其他脚本内的引用**
 public static float x = 0;
 void Start () 
 {
  txt = GameObject.Find ("Text").GetComponent<Text> ();  
 }
}

using UnityEngine;
using System.Collections;
public class collision2 : MonoBehaviour {
 public GameObject bullet; 
 void OnCollisionEnter(Collision col)    **//当刚体碰撞开始时**
 {
  if (col.gameObject.name.Equals ("Bullet(Clone)")) 
  {
   Instantiate (bullet,col.transform.position,Quaternion.identity);
   Destroy(col.gameObject);  
   Score.x += 1;    **//刚体碰撞结束后得分加1**
   Score.txt.text = "Score : " + Score.x;    //在text文本中显示Score : x
  }
 }

  void Start () {
        StartCoroutine(A());
    }
 
   IEnumerator A()   //加粗的必须要写，函数名自己定义
    {   
        //yield return new WaitForSeconds(0.1f);   //这里可以用上述的函数
        StopCoroutine(A());
    }

int max;  //最终值
 int min;   //初始值
 int result = 0;
 public int change_speed = 5; //加的次数
    
// Use this for initialization
void Start () 
{
   StartCoroutine(Change());
}
 IEnumerator Change()
    {
        int delta = (max - min) / change_speed;   //delta为速度，每次加的数大小
 
        result = min;
 
        for(int i = 0;i<change_speed;i++)
        {
            result += delta;
            this.GetComponent<Text>().text = result.ToString();
            yield return new WaitForSeconds(0.1f);     //每 0.1s 加一次
        }
        this.GetComponent<Text>().text = max.ToString();
        StopCoroutine(Change());
    }