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本文實例為大家分享了Unity3d實現Flappy Bird的具體代碼，供大家參考，具體內容如下
一、小鳥
在游戲中，小鳥并不做水平位移，而是通過障礙物的移動讓小鳥有水平運動的感覺，小鳥只需要對鼠標的點擊調整豎直加速度就可以了，同時加上水平旋轉模仿原版的FlappyBird的運動。同時，還要對豎直位置進行判斷，否則游戲不能正常結束。
這里貼上小鳥上附加的腳本代碼
Player.cs
using UnityEngine;
using System.Collections;
public class Player : MonoBehaviour {
private Rigidbody body;
public Vector3 jumpForce = new Vector3(0, 300, 0);
private bool state = true; //確保只執行一次
private int bestScore = 0;
// Use this for initialization
void Start () {
body = transform.GetComponent<Rigidbody>();
}
void OnCollisionEnter(Collision collisionInfo)
{
if (state)
{
//碰撞游戲結束
state = false;
Score.instance.state = false;
AudioManager.instance.PlayHit();
AudioManager.instance.PlayDie();
Invoke("EndGame", 0.4f);
}
}
// Update is called once per frame
void Update ()
{
//下限
if (transform.position.y < -20)
{
if (state)
{
state = false;
Score.instance.state = false;
AudioManager.instance.PlayDie();
Invoke("EndGame", 0.4f);
}
}
//上限
if (transform.position.y > 20)
{
if (state)
{
state = false;
Score.instance.state = false;
AudioManager.instance.PlayDie();
Invoke("EndGame", 0.4f);
}
}
//判斷鼠標左鍵點擊或者空格
if (Input.GetKeyDown(KeyCode.Space)||Input.GetMouseButtonDown(0))
{
AudioManager.instance.PlayFly();
body.velocity = Vector3.zero;
//加速度
body.AddForce(jumpForce);
//控制旋轉量
this.transform.rotation = Quaternion.Euler(45, 270, 0);
}
else
{
//旋轉
if (transform.rotation.eulerAngles.x >= 280||transform.rotation.eulerAngles.x<=50)
{
transform.Rotate(-150 * Time.deltaTime, 0, 0);
}
}
}
public void EndGame()
{
//保存最佳成績
PlayerPrefs.SetInt("PlayerScore", Score.instance.score);
bestScore = PlayerPrefs.GetInt("PlayerBestScore");
if (Score.instance.score > bestScore)
bestScore = Score.instance.score;
PlayerPrefs.SetInt("PlayerBestScore", bestScore);
//跳轉到結束場景
Application.LoadLevel("End");
}
}
二、障礙物
障礙物只要定時產生，隨機設定偏移量，然后添加向左運動的速度就行了，同時要設定自動銷毀的時間，回收障礙物，否則內存占用會越來越大。
這里用了三個腳本，分別是上下障礙物和障礙物生成腳本。附加到一個空物體上就行了。
GenerateObstacle.cs
using UnityEngine;
using System.Collections;
public class GenrateObstacle : MonoBehaviour {
public GameObject obstacle;
public GameObject obstacle1;
public float startTime = 1f;
public float gapTime=1.5f;
public float gapDistance = 13;
private Vector3 gapVector;
private Vector3 midVector;
// Use this for initialization
void Start () {
InvokeRepeating("InitiateObstacle", startTime, gapTime);
gapVector = new Vector3(0, gapDistance / 2, 0);
}
void InitiateObstacle()
{
midVector = new Vector3(8,Random.Range(-3.2f, 3.2f),0);
Instantiate(obstacle, midVector+gapVector,new Quaternion(0,0,180,0));
Instantiate(obstacle1, midVector-gapVector, Quaternion.identity);
}
}
Obstacle.cs
using UnityEngine;
using System.Collections;
public class Obstacle : MonoBehaviour {
public float speed = -8f;
private Rigidbody body;
private Transform player;
private bool isPassed = false;
// Use this for initialization
void Start () {
Destroy(this.gameObject, 4);
body = this.GetComponent<Rigidbody>();
body.velocity = new Vector3(speed, 0, 0);
player = GameObject.FindGameObjectWithTag("Bird").transform;
}
// Update is called once per frame
void Update () {
if (player.transform.position.x > transform.position.x && isPassed == false)
{
isPassed = true;
Score.instance.GetScore();
}
}
}
Obstacle1.cs
using UnityEngine;
using System.Collections;
public class Obstacle1 : MonoBehaviour {
public float speed = -8f;
private Rigidbody body;
private Transform player;
private bool isPassed = false;
// Use this for initialization
void Start()
{
Destroy(this.gameObject, 4);
body = this.GetComponent<Rigidbody>();
body.velocity = new Vector3(speed, 0, 0);
player = GameObject.FindGameObjectWithTag("Bird").transform;
}
}
此外還有分數顯示，最佳分數顯示，音效等等，都是細節。
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持億速云。
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