CNU2017 by yazelin

課程大綱

string字串,int整數,bool布林

//要買的飲料是什麼,要幾杯,老闆帥不帥
public string 飲料="珍奶";
public int 幾杯=1;
public bool 老闆帥=true;

Debug.Log(s)

//將要顯示的句子用 + 組合起來一次顯示出來
Debug.Log ("老闆我要"+幾杯+"杯"+飲料);

if else 條件語句

//如果老闆帥就要電話，如果不帥就叫老闆快點
if (老闆帥) {
	Debug.Log ("老闆可以給我你的電話號碼嗎");
} else {
	Debug.Log ("老闆可以快點嗎 我趕時間");
}

for 迴圈

//睡不著的時候用迴圈數羊
Debug.Log ("睡不著覺來數羊");
//從第1隻開始數，要數到1000隻
for (int 第幾 = 1; 第幾 < 1000; 第幾++) {

	Debug.Log (第幾 + "隻羊");//現在數到第幾隻

	//數到300隻就睡著了
	if (第幾 == 300) {
	
		Debug.Log ("zzzZZZ");// zzzZZZ 睡著了
		break;	//已經睡著就不再數了
	}
}

transform.Translate(x,y,z) 物件移動

//Unity中OnGUI函式可以在畫面上畫出簡單的GUI
void OnGUI (){
	//如果GUI上的按鈕被按下
	//這個按鈕在X10,Y10的地方,寬200,高30,上面寫著X ++的字
	if (GUI.Button(new Rect(10,10,200,30),"X ++")) {
		//讓物件向X軸移動1單位
		Target.transform.Translate (1,0,0);
	}
	if (GUI.Button(new Rect(210,10,200,30),"X --")) {
		Target.transform.Translate (-1,0,0);
	}

	if (GUI.Button(new Rect(10,40,200,30),"Y ++")) {
		Target.transform.Translate (0,1,0);
	}
	if (GUI.Button(new Rect(210,40,200,30),"Y --")) {
		Target.transform.Translate (0,-1,0);
	}

	if (GUI.Button(new Rect(10,70,200,30),"Z ++")) {
		Target.transform.Translate (0,0,1);
	}
	if (GUI.Button(new Rect(210,70,200,30),"Z --")) {
		Target.transform.Translate (0,0,-1);
	}
	//如果按下鍵盤W鍵
	if (Input.GetKey(KeyCode.W)) {
		Target.transform.Translate (0,0,1);//向z軸移動
	}
	//如果按下鍵盤S鍵
	if (Input.GetKey(KeyCode.S)) {
		Target.transform.Translate (0,0,-1);//向z軸反方向移動
	}
}

transform.Rotate(x,y,z) 物件旋轉

//Unity中OnGUI函式可以在畫面上畫出簡單的GUI
void OnGUI (){
	//如果GUI上的按鈕被按下
	//這個按鈕在X10,Y10的地方,寬200,高30,上面寫著X ++的字
	if (GUI.Button(new Rect(10,10,200,30),"X ++")) {
		//讓物件以X軸旋轉10度
		Target.transform.Rotate (10,0,0);
	}
	if (GUI.Button(new Rect(210,10,200,30),"X --")) {
		Target.transform.Rotate (-10,0,0);
	}

	if (GUI.Button(new Rect(10,40,200,30),"Y ++")) {
		Target.transform.Rotate (0,10,0);
	}
	if (GUI.Button(new Rect(210,40,200,30),"Y --")) {
		Target.transform.Rotate (0,-10,0);
	}

	if (GUI.Button(new Rect(10,70,200,30),"Z ++")) {
		Target.transform.Rotate (0,0,10);
	}
	if (GUI.Button(new Rect(210,70,200,30),"Z --")) {
		Target.transform.Rotate (0,0,-10);
	}
}

Input.GetMouseButtonDown(Button) 檢查滑鼠輸入

//Unity中Update函式可以在畫面更新時執行一次
void Update() {
	//如果按下滑鼠左鍵,顯示按下按下滑鼠左鍵
	if (Input.GetMouseButtonDown(0)){
		Debug.Log("按下滑鼠左鍵");
	}
	if (Input.GetMouseButtonDown(1)){
		Debug.Log("按下滑鼠右鍵");
	}
	if (Input.GetMouseButtonDown(2)){
		Debug.Log("按下滑鼠中鍵");
	}
	
	//Input.GetAxis("Mouse X") 可以取得滑鼠左右移動的差值
	Target.transform.Rotate (0,Input.GetAxis("Mouse X"),0);//依取得的差值用Y軸旋轉(即左右旋轉)

}

Input.GetKey(KeyCode key) 檢查鍵盤輸入

//Unity中Update函式可以在畫面更新時執行一次
void Update() {
	//如果按下鍵盤向上方向鍵,顯示向上方向鍵被按了
	if (Input.GetKey(KeyCode.UpArrow)){
		print("向上方向鍵被按了");
	}
	//如果按下鍵盤向下方向鍵,顯示向下方向鍵被按了
	if (Input.GetKey(KeyCode.DownArrow)){
		print("向下方向鍵被按了");
	}	
}

PlayerController.cs


//Unity中Update函式可以在畫面更新時執行一次
void Update() {

	//用鍵盤控制移動
	if(Input.GetKey(KeyCode.W)){
		gameObject.transform.Translate(0,0,.1f);
	}
	if(Input.GetKey(KeyCode.S)){
		gameObject.transform.Translate(0,0,-.1f);
	}
	if(Input.GetKey(KeyCode.D)){
		gameObject.transform.Translate(.1f,0,0);
	}
	if(Input.GetKey(KeyCode.A)){
		gameObject.transform.Translate(-.1f,0,0);
	}

	//用鍵盤控制旋轉
	if(Input.GetKey(KeyCode.E)){
		gameObject.transform.Rotate(0,10,0);
	}
	if(Input.GetKey(KeyCode.Q)){
		gameObject.transform.Rotate(0,-10,0);
	}

	//用滑鼠控制旋轉
	gameObject.transform.Rotate(0,Input.GetAxis("Mouse X")*10,0);

}

練習/提問
第一週進度專案下載
基本程式參考:陳間時光
課後線上討論

第二週 (4/24) ♥♥♥

多人連線遊戲完整步驟

開新專案(3D)->建立新場景->儲存場景取名叫Main
在場景中建立一個空物件(重新命名為NetworkManager)->在該物件上加入NetworkManager及NetworkManagerHUD組件
製作Player遊戲物件->在該遊戲物件上加入NetworkIdentity組件(並勾選Local Player Authority)
將Player Prefab加入NetworkManager/Spwan Info/Player Prefab中

在Player Prefab上加入一個新的程式PlayerController->執行看看

using UnityEngine;

public class PlayerController : MonoBehaviour
{
    void Update()
    {
        var x = Input.GetAxis("Horizontal") * Time.deltaTime * 150.0f;
        var z = Input.GetAxis("Vertical") * Time.deltaTime * 3.0f;

        transform.Rotate(0, x, 0);//旋轉
        transform.Translate(0, 0, z);//前進後退
    }
}

修改PlayerController程式->在Player Prefab上加入NetworkTransform組件

using UnityEngine;
using UnityEngine.Networking;

public class PlayerController : NetworkBehaviour
{
    void Update()
    {
        if (!isLocalPlayer)
        {
            return;
        }

        var x = Input.GetAxis("Horizontal") * Time.deltaTime * 150.0f;
        var z = Input.GetAxis("Vertical") * Time.deltaTime * 3.0f;

        transform.Rotate(0, x, 0);
        transform.Translate(0, 0, z);
    }
}

修改PlayerController程式(讓連線時可以分辯)

using UnityEngine;
using UnityEngine.Networking;

public class PlayerController : NetworkBehaviour
{
    void Update()
    {
        if (!isLocalPlayer)
        {
            return;
        }

        var x = Input.GetAxis("Horizontal") * Time.deltaTime * 150.0f;
        var z = Input.GetAxis("Vertical") * Time.deltaTime * 3.0f;

        transform.Rotate(0, x, 0);
        transform.Translate(0, 0, z);
    }

    public override void OnStartLocalPlayer()
    {
        GetComponent().material.color = Color.blue;
    }
}

步驟1-7 影片參考

建立遊戲物件命名為Bullet->加入Rigidbody並製作成Prefab->修改PlayerController程式

using UnityEngine;
using UnityEngine.Networking;

public class PlayerController : NetworkBehaviour
{
    public GameObject bulletPrefab;
    public Transform bulletSpawn;

    void Update()
    {
        if (!isLocalPlayer)
        {
            return;
        }

        var x = Input.GetAxis("Horizontal") * Time.deltaTime * 150.0f;
        var z = Input.GetAxis("Vertical") * Time.deltaTime * 3.0f;

        transform.Rotate(0, x, 0);
        transform.Translate(0, 0, z);

        if (Input.GetKeyDown(KeyCode.Space))
        {
            Fire();
        }
    }


    void Fire()
    {
        // Create the Bullet from the Bullet Prefab
        var bullet = (GameObject)Instantiate(
            bulletPrefab,
            bulletSpawn.position,
            bulletSpawn.rotation);

        // Add velocity to the bullet
        bullet.GetComponent().velocity = bullet.transform.forward * 6;

        // Destroy the bullet after 2 seconds
        Destroy(bullet, 2.0f);        
    }

    public override void OnStartLocalPlayer ()
    {
        GetComponent().material.color = Color.blue;
    }
}

步驟8 影片參考

Bullet Prefab上加入NetworkIdentity和NetworkTransform(並將NetworkTransform中的Network Send Rate設為0)->並把Bullet Prefab加入NetworkManager/Spwan Info/Registered Spawnable Prefabs中->更新PlayerController程式

using UnityEngine;
using UnityEngine.Networking;

public class PlayerController : NetworkBehaviour
{
    public GameObject bulletPrefab;
    public Transform bulletSpawn;

    void Update()
    {
        if (!isLocalPlayer)
        {
            return;
        }

        var x = Input.GetAxis("Horizontal") * Time.deltaTime * 150.0f;
        var z = Input.GetAxis("Vertical") * Time.deltaTime * 3.0f;

        transform.Rotate(0, x, 0);
        transform.Translate(0, 0, z);

        if (Input.GetKeyDown(KeyCode.Space))
        {
            CmdFire();
        }
    }

    // This [Command] code is called on the Client …
    // … but it is run on the Server!
    [Command]
    void CmdFire()
    {
        // Create the Bullet from the Bullet Prefab
        var bullet = (GameObject)Instantiate(
            bulletPrefab,
            bulletSpawn.position,
            bulletSpawn.rotation);

        // Add velocity to the bullet
        bullet.GetComponent().velocity = bullet.transform.forward * 6;

        // Spawn the bullet on the Clients
        NetworkServer.Spawn(bullet);

        // Destroy the bullet after 2 seconds
        Destroy(bullet, 2.0f);
    }

    public override void OnStartLocalPlayer ()
    {
        GetComponent().material.color = Color.blue;
    }
}

步驟9 影片參考

建立子彈碰撞後銷毀程式->加入使用者血量和血量程式以及讓血量固定面向攝影機

using UnityEngine;
using System.Collections;

public class Bullet : MonoBehaviour {
    
    void OnCollisionEnter(Collision collision)
    {
        var hit = collision.gameObject;
        var health = hit.GetComponent();
        if (health  != null)
        {
            health.TakeDamage(10);
        }

        Destroy(gameObject);
    }
}

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

public class Health : MonoBehaviour {

    public const int maxHealth = 100;
    public int currentHealth = maxHealth;
    public RectTransform healthBar;

    public void TakeDamage(int amount)
    {
        currentHealth -= amount;
        if (currentHealth <= 0)
        {
            currentHealth = 0;
            Debug.Log("Dead!");
        }

        healthBar.sizeDelta = new Vector2(currentHealth, healthBar.sizeDelta.y);
    }
}

using UnityEngine;
using System.Collections;

public class Billboard : MonoBehaviour {

    void Update () {
        transform.LookAt(Camera.main.transform);
    }
}

步驟10 影片參考

修改血量程式由Server端處理並同步

using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Networking;
using System.Collections;

public class Health : NetworkBehaviour {

    public const int maxHealth = 100;

    [SyncVar(hook = "OnChangeHealth")]
    public int currentHealth = maxHealth;

    public RectTransform healthBar;

    public void TakeDamage(int amount)
    {
        if (!isServer)
            return;
        
        currentHealth -= amount;
        if (currentHealth <= 0)
        {
            currentHealth = 0;
            Debug.Log("Dead!");
        }
    }

    void OnChangeHealth (int health)
    {
        healthBar.sizeDelta = new Vector2(health, healthBar.sizeDelta.y);
    }
}

步驟11 影片參考

修改血量程式(角色死亡和重生)

using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Networking;
using System.Collections;

public class Health : NetworkBehaviour {

    public const int maxHealth = 100;

    [SyncVar(hook = "OnChangeHealth")]
    public int currentHealth = maxHealth;

    public RectTransform healthBar;

    public void TakeDamage(int amount)
    {
        if (!isServer)
            return;
        
        currentHealth -= amount;
        if (currentHealth <= 0)
        {
            currentHealth = maxHealth;

            // called on the Server, but invoked on the Clients
            RpcRespawn();
        }
    }

    void OnChangeHealth (int currentHealth )
    {
        healthBar.sizeDelta = new Vector2(currentHealth , healthBar.sizeDelta.y);
    }

    [ClientRpc]
    void RpcRespawn()
    {
        if (isLocalPlayer)
        {
            // move back to zero location
            transform.position = Vector3.zero;
        }
    }
}

步驟12 影片參考

參考資料Multiplayer Networking
練習/提問
第二週進度專案下載

※註 ♥ 用來表示令人興奮的程度

嘉藥 2017

Unity 程式設計基本課程

課程大綱

嘉藥 2017

Unity 程式設計 基本課程

課程大綱

Unity 程式設計基本課程