本文实例为大家分享了Unity3d实现Flappy Bird的具体代码，供大家参考，具体内容如下
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一、小鸟
在游戏中，小鸟并不做水平位移，而是通过障碍物的移动让小鸟有水平运动的感觉，小鸟只需要对鼠标的点击调整竖直加速度就可以了，同时加上水平旋转模仿原版的FlappyBird的运动。同时，还要对竖直位置进行判断，否则游戏不能正常结束。
这里贴上小鸟上附加的脚本代码
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; //确保只执行一次
private int bestScore = 0;
// Use this for initialization
void Start () {
body = transform.GetComponent();
}
void OnCollisionEnter(Collision collisionInfo)
{
if (state)
{
//碰撞游戏结束
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);
}
}
//判断鼠标左键点击或者空格
if (Input.GetKeyDown(KeyCode.Space)||Input.GetMouseButtonDown(0))
{
AudioManager.instance.PlayFly();
body.velocity = Vector3.zero;
//加速度
body.AddForce(jumpForce);
//控制旋转量
this.transform.rotation = Quaternion.Euler(45, 270, 0);
}
else
{
//旋转
if (transform.rotation.eulerAngles.x >= 280||transform.rotation.eulerAngles.x<=50)
{
transform.Rotate(-150 * Time.deltaTime, 0, 0);
}
}
}
public void EndGame()
{
//保存最佳成绩
PlayerPrefs.SetInt("PlayerScore", Score.instance.score);
bestScore = PlayerPrefs.GetInt("PlayerBestScore");
if (Score.instance.score > bestScore)
bestScore = Score.instance.score;
PlayerPrefs.SetInt("PlayerBestScore", bestScore);
//跳转到结束场景
Application.LoadLevel("End");
}
} 二、障碍物
障碍物只要定时产生，随机设定偏移量，然后添加向左运动的速度就行了，同时要设定自动销毁的时间，回收障碍物，否则内存占用会越来越大。
这里用了三个脚本，分别是上下障碍物和障碍物生成脚本。附加到一个空物体上就行了。
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();
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();
body.velocity = new Vector3(speed, 0, 0);
player = GameObject.FindGameObjectWithTag("Bird").transform;
}
} 此外还有分数显示，最佳分数显示，音效等等，都是细节。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。
