Unity：Rigidbody 2Dを利用した簡単なゲームのヒント

Unity
kuma

Unity Editor画面

全体

GROUND

KUMA

USAGI

APPLE

GameControl

スクリプト

Move

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
 
public class Move : MonoBehaviour
{
    [SerializeField]
    float speed = 5.0f;
    private Animator animator;
 
    // Start is called before the first frame update
    void Start()
    {
        animator = GetComponent<Animator>();   
    }
 
    // Update is called once per frame
    void Update()
    {
        if (Input.GetKey(KeyCode.LeftArrow))
        {
            animator.SetBool("Left", true);
            animator.SetBool("Right", false);
            transform.position += Vector3.left * speed * Time.deltaTime;
        }
        else if (Input.GetKey(KeyCode.RightArrow))
        {
            animator.SetBool("Right", true);
            animator.SetBool("Left", false);
            transform.position += Vector3.right * speed * Time.deltaTime;
        }
        else
        {
            animator.SetBool("Right", false);
            animator.SetBool("Left", false);
        }
    }
}

Apple

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
 
public class Apple : MonoBehaviour
{
    private enum STATUS
    {
        GAME,
        GAMEOVER
    }
 
    GameObject gameControl;
    STATUS status;
 
    // Start is called before the first frame update
    void Start()
    {
        status = STATUS.GAME;
        gameControl = GameObject.Find("GameControl");
    }
 
    private void OnCollisionEnter2D(Collision2D collision)
    {
        if (collision.gameObject.CompareTag("Ground"))
        {
            status = STATUS.GAMEOVER;
            gameControl.GetComponent<GameMain>().GameOver();
        }
    }
 
    private void OnTriggerEnter2D(Collider2D collision)
    {
        if (status == STATUS.GAME && collision.gameObject.CompareTag("Usagi")){
            gameControl.GetComponent<GameMain>().GameClear();
            Destroy(gameObject, 0.2f);
        }
    }
}

GameMain

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using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;
 
public class GameMain : MonoBehaviour
{
    public Text StatusMessage;
    public GameObject apple;
 
    public void Start()
    {
        Instantiate(apple, new Vector2(Random.Range(-9f, 9f), Random.Range(6f, 8f)), Quaternion.identity);
 
    }
 
    private void GameStart()
    {
        SceneManager.LoadScene("KumaGame");
    }
 
    public void GameClear()
    {
        StatusMessage.text = "CLEAR !!";
        Invoke(nameof(GameStart), 5f);
    }
 
    public void GameOver()
    {
        StatusMessage.text = "GAME OVER!";
        Invoke(nameof(GameStart), 3f);
    }
}

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