Unity 教學 小朋友下樓梯

購買專案檔 約台幣30元 

 CameraManager

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

public class CameraManager : MonoBehaviour {

    public float downSpeed;
 void Start () {
  
 }
 
 //預設每秒執行50次
 void FixedUpdate () {
        transform.Translate(0, -downSpeed * Time.deltaTime, 0);
 }
}

DeadZone

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

public class DeadZone : MonoBehaviour {

    private void OnCollisionEnter2D(Collision2D other)
    {
        if (other.gameObject.CompareTag("玩家"))
        {
            Player.isDead = true;
            //Debug.Break();
        }
    }
}

GameManager

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;

public class GameManager : MonoBehaviour {

    public Button restartButton;
    public GameObject player;
 void Start () {
        restartButton.gameObject.SetActive(false);
 }
 
 void Update () {
        if (Player.isDead)
        {
            player.SetActive(false);
            restartButton.gameObject.SetActive(true);
        }
 }

    public void ReloadScene() {
        SceneManager.LoadScene(SceneManager.GetActiveScene().name);
    }
}

GroundManager

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

public class GroundManager : MonoBehaviour
{
    readonly float leftBorder = -3;//左邊界
    readonly float rightBorder = 3;//右邊界
    readonly float initPosotionY = 0;
    readonly int MAX_GROUND_COUNT = 10;//最大地板數量
    readonly int MIN_GROUND_COUNT_UNDER_PLAYER = 3;//玩家下方最少地板數量
    static int groundNumber = -1;
    [Range(2, 6)] public float spacingY;
    [Range(1, 20)] public float singleFloorHeight;
    public List<Transform> grounds;
    public Transform player;
    public Text displayCountFloor;


    void Start()
    {
        grounds = new List<Transform>();
        for (int i = 0; i < MAX_GROUND_COUNT; i++)
        {
            SpawnGround();
        }
    }
    public void ControlSpawnGround()//控制產生地板
    {
        int groundsCountUnderPlayer = 0;//玩家下方的地板數量
        foreach (Transform ground in grounds)
        {
            if (ground.position.y < player.transform.position.y)
            {
                groundsCountUnderPlayer++;
            }
        }

        if (groundsCountUnderPlayer < MIN_GROUND_COUNT_UNDER_PLAYER)
        {
            SpawnGround();
            ControlGroundsCount();
        }

    }

    void ControlGroundsCount()//控制地板數量
    {
        if (grounds.Count > MAX_GROUND_COUNT)
        {
            Destroy(grounds[0].gameObject);
            grounds.RemoveAt(0);
        }
    }
    float NewGroundPositionX()
    {
        if (grounds.Count == 0)
        {
            return 0;
        }
        return Random.Range(leftBorder, rightBorder);
    }

    //計算新地板的Y座標
    float NewGroundPositionY()
    {
        if (grounds.Count == 0)
        {
            return initPosotionY;
        }
        int lowerIndex = grounds.Count - 1;
        return grounds[lowerIndex].transform.position.y - spacingY;
    }

    //產生單一地板
    void SpawnGround()
    {
        GameObject newGround = Instantiate(Resources.Load<GameObject>("地板"));
        newGround.transform.position = new Vector3(NewGroundPositionX(), NewGroundPositionY(), 0);
        grounds.Add(newGround.transform);
        groundNumber++;//地板編號+1
        newGround.name = "地板" + groundNumber;//修改物件名稱為地板+流水編號
    }
    float CountLowerGroundFloor() {
        float playerPositionY = player.transform.position.y;
        float deep = Mathf.Abs(initPosotionY-playerPositionY);
        return (deep / singleFloorHeight)+1;
    }
    void DisplayCountFloor() {
        displayCountFloor.text = "地下" + CountLowerGroundFloor().ToString("0000") + "樓";
    }
    void Update()
    {
        ControlSpawnGround();
        DisplayCountFloor();
    }
}

Player

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

public class Player : MonoBehaviour {

    public float forceX;//水平推力
    public static bool isDead;
    Rigidbody2D playerRigidBody2D;
    readonly float toLeft = -1;
    readonly float toRight = 1;
    readonly float stop = 0;
    float directionX;
 void Start () {
        isDead = false;
        playerRigidBody2D = GetComponent<Rigidbody2D>();
 }
 
 
 void Update () {
        if (Input.GetKey(KeyCode.LeftArrow))
        {
            directionX = toLeft;
        }
        else if (Input.GetKey(KeyCode.RightArrow))
        {
            directionX = toRight;
        }
        else
        {
            directionX = stop;
        }
        Vector2 newDirection = new Vector2(directionX,0);
        playerRigidBody2D.AddForce(newDirection*forceX);

 }
}