pastemyst

Asteroids

(at edit #0)

present

asteroid manager

C#copy raw

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class AsteroidManager : MonoBehaviour
{
    public static AsteroidManager Instance { get; private set; } // Static object of the class.

[SerializeField] GameObject asteroidParent;
    [SerializeField] int asteroidCount;
    private List<GameObject> asteroids;

private void Awake() // Ensure there is only one instance.
    {
        if (Instance == null)
        {
            Instance = this;
            Initialize();
        }
        else
        {
            Destroy(gameObject); // Destroy duplicate instances.
        }
    }

void Initialize()
    {
        asteroids = new List<GameObject>();
        SpawnAsteroids();
    }

void SpawnAsteroids()
    {
        float offSet = 12f / (asteroidCount / 2);
        for (int i = 0; i < asteroidCount / 2; i++)
        {
            GameObject roidInst = GameObject.Instantiate(asteroidParent, new Vector3(-6f + i * offSet + offSet / 2, 4f, 0f), Quaternion.identity);
            asteroids.Add(roidInst);
            roidInst = GameObject.Instantiate(asteroidParent, new Vector3(-6f + i * offSet + offSet / 2, -4f, 0f), Quaternion.identity);
            asteroids.Add(roidInst);
        }
    }

public List<GameObject> GetAsteroids()
    {
        return asteroids;
    }

public void DeleteAsteroid(int index)
    {
        Destroy(asteroids[index]);
        asteroids.RemoveAt(index);
        if (Game.Instance != null)
            Game.Instance.SOMA.PlaySound("Explode");
    }

public void spawnAsteroidNew(Vector2 pos)
    {

GameObject roidInst1 = GameObject.Instantiate(asteroidParent, new Vector3(pos.x, pos.y, 0f), Quaternion.identity);
        asteroids.Add(roidInst1);
        roidInst1.transform.localScale = new Vector3(0.5f, 0.5f, 0.5f);

// Create second asteroid
        GameObject roidInst2 = GameObject.Instantiate(asteroidParent, new Vector3(pos.x, pos.y, 0f), Quaternion.identity);
        asteroids.Add(roidInst2);
        roidInst2.transform.localScale = new Vector3(0.5f, 0.5f, 0.5f);

}

bullet

C#copy raw

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class BulletScript : MonoBehaviour
{

private void Start()
    {
       
    }

void Update()
    {
        // Wrap bullet to other side of screen.
        if (transform.position.x < -8.5f)
        {
            transform.position = new Vector2(8.5f, transform.position.y);
        }
        else if (transform.position.x > 8.5f)
        {
            transform.position = new Vector2(-8.5f, transform.position.y);
        }
        if (transform.position.y < -6.5f)
        {
            transform.position = new Vector2(transform.position.x, 6.5f);
        }
        else if (transform.position.y > 6.5f)
        {
            transform.position = new Vector2(transform.position.x, -6.5f);
        }
    }

private void OnTriggerEnter2D(Collider2D collision)
    {
        if (collision.gameObject.tag == "Asteroid")
        {
            Destroy(gameObject);
            Debug.Log("asteroid destroyed spawn more asteroids");
            AsteroidManager.Instance.spawnAsteroidNew(collision.gameObject.transform.position); 
            
            int index = AsteroidManager.Instance.GetAsteroids().IndexOf(collision.gameObject);
            if (index != -1)
                AsteroidManager.Instance.DeleteAsteroid(index); // Just two lines for readability.

}

created at:

stats: 133 lines, 310 words, 3.52kb