unity笔记

public class GameManager : MonoBehaviour
{

    public static GameManager _instance;


　　private void Awake()
    {
        _instance = this;
    }
}

void  OnTriggerEnter2D(Collider2D other)            //碰撞的触发
    {
        if(other.tag == "Enemy")                        //和敌人的碰撞
        {
            if(!other.GetComponent<Enemy>().isDeath)
            {
                other.gameObject.SendMessage("BeHit");  //调用碰撞方法
       
            }
        }
    }

           //主角的运动效果（update里面调用）
            timer += Time.deltaTime; //int frameIndex = (int)(timer / (1f / frameCountsPersecond));
            int frameIndex = (int) (timer*frameCountsPersecond);
            int frame = frameIndex%2;
            spriteRender.sprite = sprites[frame];        

        float historyScore = PlayerPrefs.GetFloat("historyHighScore", 0);
        if (nowScore > historyScore)
        {
            PlayerPrefs.SetFloat("historyHighScore", nowScore);
        }
        highScore.text = historyScore + "";
        this.nowScore.text = nowScore + "";