using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class DestroyOutOfBounds : MonoBehaviour

{

    private float topBound = 30;

    private float lowerBound =  -10;

    // Start is called before the first frame update

    void Start()

    {

    }

    // Update is called once per frame

    void Update()

    {

        if (transform.position.z > topBound){

            Destroy(gameObject);

        } else if (transform.position.z < lowerBound){

            Debug.Log("Game Over");

            Destroy(gameObject);

        }

    }

}

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class DetectCollision : MonoBehaviour

{

    // Start is called before the first frame update

    void Start()

    {

    }

    // Update is called once per frame

    void Update()

    {

    }

    private void OnTriggerEnter(Collider other)

    {

        Destroy(gameObject);

        Destroy(other.gameObject);

    }

}

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class MoveForward : MonoBehaviour

{

    public float speed = 40.0f;

    // Start is called before the first frame update

    void Start()

    {

    }

    // Update is called once per frame

    void Update()

    {

        transform.Translate(Vector3.forward * Time.deltaTime * speed);

    }

}

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class PlayerController : MonoBehaviour

{

    public float horizontalInput;

    public float speed = 10.0f;

    public float xRange = 20.0f;

    public GameObject projectilePrefab;

    // Start is called before the first frame update

    void Start()

    {

    }

    // Update is called once per frame

    void Update()

    {

        if (transform.position.x < -xRange)

        {

            transform.position = new Vector3(-xRange, transform.position.y, transform.position.z);

        }

        if (transform.position.x > xRange)

        {

            transform.position = new Vector3(xRange, transform.position.y, transform.position.z);

        }

        horizontalInput = Input.GetAxis("Horizontal");

        transform.Translate(Vector3.right * horizontalInput * Time.deltaTime * speed);

        if (Input.GetKeyDown(KeyCode.Space))

        {

            Instantiate(projectilePrefab, transform.position, projectilePrefab.transform.rotation);

        }

    }

}

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class SpawnManager : MonoBehaviour

{

    public GameObject [] animalPrefabs;

    public int animalIndex;

    private float spawnRangeX = 20;

    private float spawnPosZ = 20;

    private float startDelay = 2;

    private float spawnInterval = 1.5f;

    // Start is called before the first frame update

    void Start()

    {

       InvokeRepeating("SpawnRandomAnimal", startDelay, spawnInterval);

    }

    // Update is called once per frame

    void Update()

    {

    }

    void SpawnRandomAnimal(){

        //Randomly generate animal index and spawn position

        int animalIndex = Random.Range(0, animalPrefabs.Length);

        Vector3 spawnPos = new Vector3(Random.Range(-spawnRangeX, spawnRangeX), 0, spawnPosZ);

        Instantiate(animalPrefabs[animalIndex],spawnPos, animalPrefabs[animalIndex].transform.rotation);

    }

}