軟體工程第二次作業

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　　 這次的作業是二選一，我綜合了自己的興趣以及情況，我選擇了做一個3D遊戲來完成。在查閱了很多資料之後，我選擇了Unity3d來學習，因為它內建強大的編輯器，易於我們這些新人上手，在學習了兩個星期後，我決定做一個之前很火的flappy bird來練手，下面是具體完成的情況。

　　設計思路：利用U3D內建的物理碰撞引擎去檢測碰撞事件，在每幀重畫的時候去選擇小鳥形態的切換，給小鳥的一個水平的速度，然後在情境上設定一個觸發器，負責情境的延生，這樣遊戲就可以源源不斷的進行下去。

　　主要代碼如下:

using UnityEngine;using System.Collections;public class Bird : MonoBehaviour {public float timer=0;public int frameNumber= 10;// frame number one secondspublic int frameCount=0;//  frame counterpublic bool animation=false;// whether play the fly animationpublic bool canJump=false;void Start(){//this.rigidbody.velocity = new Vector3(2,0,0);}// Update is called once per framevoid Update () {//hard code here for test//Vector3 vel  = this.rigidbody.velocity;//this.rigidbody.velocity = new Vector3(5,vel.y,vel.z);// animationif(GameManager._intance.GameState==GameManager.GAMESTATE_PLAYING){timer+=Time.deltaTime;if(timer>=1.0f/frameNumber){frameCount++;timer-=1.0f/frameNumber;int frameIndex = frameCount%3;// update material ‘s offset x// how to set the property of(x offset)  MainTex : Main Texturethis.renderer.material.SetTextureOffset("_MainTex",new Vector2(0.333333f*frameIndex,0));//this.renderer.material.SetTextureScale("_MainText",new Vector2(1,1));}}if(GameManager._intance.GameState==GameManager.GAMESTATE_PLAYING){// control jumpif(Input.GetMouseButton(0) ){// left mouse button down                audio.Play();Vector3 vel2  = this.rigidbody.velocity;this.rigidbody.velocity = new Vector3(vel2.x,5,vel2.z);}}}public void getLife(){rigidbody.useGravity=true;this.rigidbody.velocity = new Vector3(2,0,0);}}

　　

using UnityEngine;using System.Collections;public class GameManager : MonoBehaviour {// define the state of the gamepublic static int GAMESTATE_MENU =0;//遊戲菜單狀態public static int GAMESTATE_PLAYING=1;//遊戲中狀態 ... public static int GAMESTATE_END=2;//遊戲結束狀態public Transform firstBg;public int score = 0;public int GameState  = GAMESTATE_MENU;public static GameManager _intance;private GameObject bird;void Awake(){_intance = this;bird = GameObject.FindGameObjectWithTag("Player");}void Update(){if(GameState==GameManager.GAMESTATE_MENU){if(Input.GetMouseButtonDown(0)){// transform stateGameState = GAMESTATE_PLAYING;// set bird is playing // 1.set gravity 2.add velocity of xbird.SendMessage("getLife");}}        if (GameState == GameManager.GAMESTATE_END) {            GameMenu._instance.gameObject.SetActive(true);            GameMenu._instance.UpdateScore(score);        }}}

　　

using UnityEngine;using System.Collections;public class MoveTrigger : MonoBehaviour {public Transform currentBg;public Pipe pipe1;public Pipe pipe2;public void OnTriggerEnter(Collider other){print("OnTriggerEnter");if(other.tag=="Player"){// move the bg to the front of first transform//1. get the first transfromTransform firstBg=  GameManager._intance.firstBg;// 2. movecurrentBg.position = new Vector3( firstBg.position.x+10,currentBg.position.y,currentBg.position.z);GameManager._intance.firstBg = currentBg;// new position for pipepipe1.RandomGeneratePosition();pipe2.RandomGeneratePosition();}}}

　　

   

 

心得體會：

　　　　通過這次U3D的學習，我有機會去瞭解3d程式的基本概念以及開發過程，在學習的過程中，我遇到了很多問題，通過查閱資料與諮詢他人將這些問題都一一解決。從此之後，我覺得自己對編程也抱有更大的熱情，受益匪淺。

　　

軟體工程第二次作業