Unity案例课程 - 涂鸦跳跳 Day 2

1.随机生成Tile(一)

在GameManager中添加随机生成砖块和从资源池取出物体的代码

    public enum ObjectType
{Tile,Item,Coin,Enemy,Bullet
}//tile池子public Queue<GameObject> tilePool = new Queue<GameObject>();public Queue<GameObject> itemPool = new Queue<GameObject>();public Queue<GameObject> coinPool = new Queue<GameObject>();public Queue<GameObject> enemyPool = new Queue<GameObject>();public Queue<GameObject> bulletPool = new Queue<GameObject>();/// <summary>/// 随机生成砖块/// </summary>void GenerateTile(){GameObject go = GetInactiveObject(ObjectType.Tile);}/// <summary>/// 从池子取物体/// </summary>/// <param name="type"></param>/// <returns></returns>public GameObject GetInactiveObject(ObjectType type){switch (type){case ObjectType.Tile:return tilePool.Dequeue();case ObjectType.Item:return itemPool.Dequeue();case ObjectType.Coin:return coinPool.Dequeue();case ObjectType.Enemy:return enemyPool.Dequeue();case ObjectType.Bullet:return bulletPool.Dequeue();default:return null;}}

在GameSetting中给每个砖块添加权重（生成的概率）

2.随机生成Tile(二)

给所有tile赋值，然后在GameManager中计算它们的权值并且随机生成

    //获取权值所有void GetAllWeight(){float sum = 0;sum += advance.normalTile.weight;sum += advance.brokenTile.weight;sum += advance.oneTimeOnly.weight;sum += advance.springTile.weight;sum += advance.movingVertically.weight;sum += advance.movingHorizontally.weight;totalsum = sum;}/// <summary>/// 随机生成砖块/// </summary>void GenerateTile(){GameObject go = GetInactiveObject(ObjectType.Tile);float rand = Random.Range(0, totalsum);}private void Start(){//sum赋值GetAllWeight();//初始化对象池GenerateTilePool();//生成物体for (int i = 0; i < initialSize; i++){GenerateTile();}}

3.随机生成Tile(三)

GameManager中添加通过权值来设置tile类型的代码

    int SetTileByRandomNumber(float number){if (number <= advance.normalTile.weight)return 0;else if (number <= (advance.normalTile.weight + advance.brokenTile.weight))return 1;else if (number <= (advance.normalTile.weight + advance.brokenTile.weight + advance.oneTimeOnly.weight))return 2;else if (number <= (advance.normalTile.weight + advance.brokenTile.weight + advance.oneTimeOnly.weight + advance.springTile.weight))return 3;else if (number <= (advance.normalTile.weight + advance.brokenTile.weight + advance.oneTimeOnly.weight + advance.springTile.weight + advance.movingHorizontally.weight))return 4;else if (number <= (advance.normalTile.weight + advance.brokenTile.weight + advance.oneTimeOnly.weight + advance.springTile.weight + advance.movingHorizontally.weight + advance.movingVertically.weight))return 5;return -1;}

4.随机生成Tile(四)

完善随机生成砖块

 /// <summary>/// 随机生成砖块/// </summary>void GenerateTile(){GameObject go = GetInactiveObject(ObjectType.Tile);float rand = Random.Range(0, totalsum);int randNumber = SetTileByRandomNumber(rand);Vector2 pos = new Vector2(Random.Range(-4.5f, 4.5f), currentY);switch (randNumber){case 0:go.transform.position = pos;currentY += Random.Range(advance.normalTile.minHeight, advance.normalTile.maxHeight);go.name = "0";go.SetActive(true);break;case 1:go.transform.position = pos;currentY += Random.Range(advance.brokenTile.minHeight, advance.brokenTile.maxHeight);go.name = "1";go.SetActive(true);break;case 2:go.transform.position = pos;currentY += Random.Range(advance.oneTimeOnly.minHeight, advance.oneTimeOnly.maxHeight);go.name = "2";go.SetActive(true);break;case 3:go.transform.position = pos;currentY += Random.Range(advance.springTile.minHeight, advance.springTile.maxHeight);go.name = "3";go.SetActive(true);break;case 4:go.transform.position = pos;currentY += Random.Range(advance.movingHorizontally.minHeight, advance.movingHorizontally.maxHeight);go.name = "4";go.SetActive(true);break;case 5:go.transform.position = pos;currentY += Random.Range(advance.movingVertically.minHeight, advance.movingVertically.maxHeight);go.name = "5";go.SetActive(true);break;default:break;}}

运行程序如下

5.回收Tile

在主相机下建立一个回收池

在GameManager中添加下面的方法

public GameObject floor;
public void AddInActiveObjectToPool(GameObject go,ObjectType type){go.SetActive(false);switch (type){case ObjectType.Tile:tilePool.Enqueue(go);//TODO:生成tilebreak;case ObjectType.Item:itemPool.Enqueue(go);break;case ObjectType.Coin:coinPool.Enqueue(go);break;case ObjectType.Enemy:enemyPool.Enqueue(go);break;case ObjectType.Bullet:bulletPool.Enqueue(go);break;default:break;}}

在Tile中进行调用

    private void Update(){if (GameManager.Instance.floor.transform.position.y > transform.position.y + 1){GetComponent<Rigidbody2D>().gravityScale = 0f;GameManager.Instance.AddInActiveObjectToPool(gameObject, ObjectType.Tile);}}

运行程序结果如下，下面的tile都被回收

6.砖块水平竖直移动

在Tile脚本中添加代码，让tile可以自己移动

    //方块的移动速度和距离float speed;float distance;Vector3 startPos;int direction;  //0:left & up 1:right & down void Init(){sp = GetComponent<SpriteRenderer>();tileType = int.Parse(gameObject.name);switch (tileType){case 0:sp.sprite = sprites[0];break;case 1:sp.sprite = sprites[1];break;case 2:sp.sprite = sprites[2];break;case 3:sp.sprite = sprites[3];break;case 4:sp.sprite = sprites[4];speed = GameManager.Instance.advance.movingHorizontally.speed;distance = GameManager.Instance.advance.movingHorizontally.distance;startPos = transform.position;break;case 5:sp.sprite = sprites[5];speed = GameManager.Instance.advance.movingVertically.speed;distance = GameManager.Instance.advance.movingVertically.distance;startPos = transform.position;break;default:break;}}private void Update(){switch (tileType){case 4:if (direction == 0){transform.Translate(new Vector2(-speed * Time.deltaTime, 0));if (startPos.x - transform.position.x > distance){direction = 1;}}else{transform.Translate(new Vector2(speed * Time.deltaTime, 0));if (startPos.x - transform.position.x < -distance){direction = 0;}}break;case 5:if (direction == 0){transform.Translate(new Vector2(0,-speed * Time.deltaTime));if (startPos.y - transform.position.y > distance){direction = 1;}}else{transform.Translate(new Vector2(0,speed * Time.deltaTime));if (startPos.y - transform.position.y < -distance){direction = 0;}}break;default:break;}
}

运行结果如下

7.设置游戏状态

在GameManager中添加三种状态并添加游戏结束的代码

public enum GameState
{PAUSED,RUNNING,GAMEOVER
}//游戏状态public GameState gameState = GameState.PAUSED;//结束游戏public void EndGame(){if(gameState != GameState.GAMEOVER){gameState = GameState.GAMEOVER;//TODO:save data UI}}

在Player脚本中进行调用

    private void OnTriggerEnter2D(Collider2D collision){if (collision.tag == "Platform"){Jump(1);}if(collision.tag == "Floor"){GameManager.Instance.EndGame();}}

运行程序结果如下

8.无限生成Tile

在GameManager中添加重新生成tile的方法

    /// <summary>/// 当一个tile销毁时，调用此方法/// </summary>void CreateTile(){if(gameState != GameState.GAMEOVER){GenerateTile();//添加道具//难度曲线//分数}}

并在砖块销毁的时候进行调用

运行程序结果如下

9.Item的开发(一)

在场景中创建道具并添加PowerUp的脚本

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class PowerUp : MonoBehaviour
{public int itemType;SpriteRenderer sp;//图片public Sprite[] sprites;//技能时间public float[] powerTime;private void OnEnable(){Init();}void Init(){sp = GetComponent<SpriteRenderer>();itemType = int.Parse(gameObject.name);sp.sprite = sprites[itemType];}
}

10.Item的开发(二)

完善PowerUp脚本

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class PowerUp : MonoBehaviour
{public int itemType;SpriteRenderer sp;//图片public Sprite[] sprites;//技能时间public float[] powerTime;//技能释放物体public GameObject[] used;GameObject player;private void OnEnable(){Init();}void Init(){sp = GetComponent<SpriteRenderer>();itemType = int.Parse(gameObject.name);sp.sprite = sprites[itemType];}public void OnTriggerEnter2D(Collider2D collision){if (collision.tag == "Player"){player = collision.gameObject;//隐藏sp.enabled = false;//速度为0player.GetComponent<Rigidbody2D>().velocity = Vector2.zero;//让重力不影响我们的运动player.GetComponent<Rigidbody2D>().isKinematic = true;//无敌GetComponent<CircleCollider2D>().enabled = false;//显示图片used[itemType].SetActive(true);//flyStartCoroutine("StopFly");}}IEnumerator StopFly(){}
}

11.Item的开发(三)

完善PowerUp脚本，让Player添加道具飞行

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class PowerUp : MonoBehaviour
{public int itemType;public SpriteRenderer sp;//图片public Sprite[] sprites;//技能时间public float[] powerTime;//技能释放物体public GameObject[] used;GameObject player;bool fly;private void OnEnable(){Init();}void Init(){sp.enabled = true;itemType = int.Parse(gameObject.name);sp.sprite = sprites[itemType];fly = false;}public void OnTriggerEnter2D(Collider2D collision){if (collision.tag == "Player"){player = collision.gameObject;//隐藏sp.enabled = false;//速度为0player.GetComponent<Rigidbody2D>().velocity = Vector2.zero;//让重力不影响我们的运动player.GetComponent<Rigidbody2D>().isKinematic = true;//无敌GetComponent<CircleCollider2D>().enabled = false;//显示图片used[itemType].SetActive(true);//flyfly = true;StartCoroutine("StopFly");}}IEnumerator StopFly(){yield return new WaitForSeconds(powerTime[itemType]);player.GetComponent<Rigidbody2D>().isKinematic = false;GetComponent<CircleCollider2D>().enabled = true;used[itemType].SetActive(false);fly = false;}private void Update(){if (fly){player.transform.Translate(new Vector2(0, 12 * Time.deltaTime));}else if (GameManager.Instance.floor.transform.position.y > transform.position.y + 1){GameManager.Instance.AddInActiveObjectToPool(gameObject, ObjectType.Item);}}
}

运行程序结果如下

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