0407 화살 피하기 게임

using UnityEngine;

public class ArrowController : MonoBehaviour
{
    GameObject player;
    // Start is called before the first frame update
    void Start()
    {
        this.player = GameObject.Find("player");
    }

    // Update is called once per frame
    void Update()
    {
        //프레임마다 등속으로 낙하시킨다.
        transform.Translate(0, -1.0f, 0);

        //화면 밖으로 나오면 오브젝트를 소멸시킨다.
        if (transform.position.y < -5.0f) 
        {
            Destroy(gameObject);
        }

        //충돌판정
        Vector2 p1 = transform.position; //화살의 중심 좌표
        Vector2 p2 = this.player.transform.position; //플레이어의 중심 좌표
        Vector2 dir = p1 - p2;
        float d = dir.magnitude;
        float r1 = 0.5f;
        float r2 = 1.0f;

        if (d < r1 + r2) 
        {
            //감독 스크립트에 플레이어와 화살이 충돌했다고 전달한다.
            GameObject director = GameObject.Find("GameDirector");
            director.GetComponent<GameDirector>().DecreaseHp();
            
            //충돌한 경우는 화살을 지운다.
            Destroy(gameObject);
        }
        
    }

using UnityEngine;

public class ArrowGenerator : MonoBehaviour
{
    public GameObject arrowPrefab;
    float span = 1.0f;
    float delta = 0;
    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        this.delta += Time.deltaTime;
        if (this.delta > this.span) 
        {
            this.delta = 0;
            GameObject go = Instantiate(arrowPrefab) as GameObject;
            int px = Random.Range(-6, 7);
            go.transform.position = new Vector3(px, 7, 0);
        }
    }
}

using UnityEngine;

public class PlayerController : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.LeftArrow)) 
        {
            transform.Translate(-3, 0, 0); //왼쪽으로 3움직인다.
        }
        else if (Input.GetKeyDown(KeyCode.RightArrow))
        {
            transform.Translate(3, 0, 0); //오른쪽으로 3움직인다.
        }
        
    }
}

using UnityEngine;
using UnityEngine.UI;

public class GameDirector : MonoBehaviour
{
    GameObject hpGauge;
    // Start is called before the first frame update
    void Start()
    {
        this.hpGauge = GameObject.Find("hpGauge");
    }

    // Update is called once per frame
    public void DecreaseHp()
    {
            this.hpGauge.GetComponent<Image>().fillAmount -= 0.1f;

    }
}

Fill Amount = 이미지 표시 영역을 줄일 수 있다.