Finish the second part-Play with GameObject

Finish the second part-Play with GameObject

Author: QianMo

Mastering Unity Scripting/Assets/Part 2.Play With GameObject/2.5 Play with Linecast.meta

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+//PlayWithLinecast
+
+using UnityEngine;
+using System.Collections;
+
+public class PlayWithLinecast : MonoBehaviour 
+{
+	//--------------------------------变量定义部分---------------------------------
+    //敌人对象的引用 || Reference to sample enemy object
+    public GameObject Enemy = null;
+	//限制线段检测的掩膜层级 || Layer mask to limit line detection
+    public LayerMask LM;
+
+    //-----------------------------------------【Start()函数】---------------------------------------------    
+    // 说明：此函数仅在Update函数第一次被调用前被调用，常用于进行数据的初始化  
+    //--------------------------------------------------------------------------------------------------------  
+    void Start ( ) 
+	{
+
+    }
+
+    //-----------------------------------------【Update()函数】----------------------------------------  
+    // 说明：此函数在每一帧中都会被调用
+    //------------------------------------------------------------------------------------------------------  
+    void Update ( ) 
+	{
+        //若路径上没有障碍
+        if(!Physics.Linecast(transform.position,Enemy.transform.position, LM))
+        {
+            Debug.Log ("路径上没有障碍~！");
+        }
+        //否则，路径上有障碍
+        else
+        {
+            Debug.Log("路径被挡住了~！");
+        }
+    }
+
+    //-----------------------------------------【OnDrawGizmos()函数】--------------------------------
+    // 说明：在此函数中书写绘制Gizmo的相关代码
+    //--------------------------------------------------------------------------------------------------------
+    void OnDrawGizmos()
+    {
+        //设置Gizmo的颜色为蓝色
+        Gizmos.color = Color.red;
+        //绘制一条直线
+        Gizmos.DrawLine(transform.position, Enemy.transform.position);
+    }
+}

Mastering Unity Scripting/Assets/Part 2.Play With GameObject/2.5 Play with Linecast/PlayWithLinecast.cs

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+//AccessingObjectHierarchies
+
+using UnityEngine;
+using System.Collections;
+
+public class AccessingObjectHierarchies : MonoBehaviour 
+{
+	//--------------------------------变量定义部分---------------------------------
+    //子对象
+    private GameObject Child;
+	//父对象
+    private GameObject Parent;
+
+    //-----------------------------------------【Start()函数】---------------------------------------------    
+    // 说明：此函数仅在Update函数第一次被调用前被调用，常用于进行数据的初始化  
+    //--------------------------------------------------------------------------------------------------------  
+    void Start ( ) 
+	{
+        //获取子对象
+        Child = GameObject.Find("Child");
+        Parent = GameObject.Find("Parent");
+
+        //设置父对象子对象层级
+        Child.transform.parent = Parent.transform;
+
+        //进行测试
+        for (int i = 0; i < Parent.transform.childCount; i++)
+        {
+            //Print name of child to console
+            Debug.Log("发现子对象，名为"+Parent.transform.GetChild(i).name);
+        }
+    }
+
+    //-----------------------------------------【Update()函数】----------------------------------------  
+    // 说明：此函数在每一帧中都会被调用
+    //------------------------------------------------------------------------------------------------------  
+    void Update ( ) 
+	{
+
+    }
+
+}

Mastering Unity Scripting/Assets/Part 2.Play With GameObject/2.5 Play with Linecast/PlayWithLinecast.cs.meta

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+//PersistentObj
+//保持对象在场景跳转时依然存在
+
+using UnityEngine;
+using System.Collections;
+
+public class PersistentObj : MonoBehaviour 
+{
+    //--------------------------------变量定义部分---------------------------------
+
+
+    //-----------------------------------------【Start()函数】---------------------------------------------
+    // 说明：此函数仅在Update函数第一次被调用前被调用，常用于进行数据的初始化  
+    //--------------------------------------------------------------------------------------------------------  
+	void Start ()
+	{
+        //使当前挂载了此脚本的对象在新场景载入时不被销毁
+		DontDestroyOnLoad(gameObject);
+	}
+}

Mastering Unity Scripting/Assets/Part 2.Play With GameObject/2.5 Play with Linecast/PlayWithLinecast.unity

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+//SceneChanger
+//按下空格便跳转到指定场景
+
+using UnityEngine;
+using System.Collections;
+
+public class SceneChanger : MonoBehaviour 
+{
+    //--------------------------------变量定义部分---------------------------------
+	//要跳转到的场景号
+	public int DestinationScene = 0;
+
+    //-----------------------------------------【Update()函数】----------------------------------------  
+    // 说明：此函数在每一帧中都会被调用
+    //------------------------------------------------------------------------------------------------------ 
+	void Update () 
+	{
+        //若按下空格，就跳转到目标场景
+		if(Input.GetKeyDown(KeyCode.Space))
+			Application.LoadLevel(DestinationScene);
+	}
+}

Mastering Unity Scripting/Assets/Part 2.Play With GameObject/2.5 Play with Linecast/PlayWithLinecast.unity.meta

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+//GameManager
+//游戏管理类-使用单例模式
+
+
+using UnityEngine;
+using System.Collections;
+
+public class GameManager : MonoBehaviour 
+{
+	//-----------------------------------------
+    //--------------------------------变量定义部分---------------------------------
+	//用C#属性来Get单例模式的实例 || C# Property to get access to singleton instance
+	//只读-只能读取不能set || Read only - only has get accessor
+	public static GameManager Instance
+	{
+		//返回私有实例的引用 || return reference to private instance
+		get
+		{
+			return instance;
+		}
+	}
+    //instance定义
+	private static GameManager instance = null;
+
+	//最高分
+	public int HighScore = 0;
+
+	//游戏是否处于暂停状态
+	public bool IsPaused = false;
+	
+	//是否可以输入
+	public bool InputAllowed = true;
+
+    //-----------------------------------------【Start()函数】---------------------------------------------    
+    // 说明：此函数在Start函数调用前被调用，常用于进行数据的初始化  
+    //--------------------------------------------------------------------------------------------------------  
+	void Awake ()
+	{
+        //如果有实例在此场景中存在，销毁此实例
+		if(instance)
+		{
+			DestroyImmediate(gameObject);
+			return;
+		}
+
+		//使当前实例成为唯一的实例
+		instance = this;
+
+        //使此对象在新场景载入时不被销毁
+		DontDestroyOnLoad(gameObject);
+	}
+}

Mastering Unity Scripting/Assets/Part 2.Play With GameObject/2.6 Accessing Object Hierarchies.meta

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+//SceneChangerV2
+//按下空格便跳转到指定场景
+
+using UnityEngine;
+using System.Collections;
+//Will change scene when we press space
+public class SceneChangerV2 : MonoBehaviour 
+{
+    //--------------------------------变量定义部分---------------------------------
+    //要跳转到的场景号
+	public int DestinationScene = 0;
+
+    //-----------------------------------------【Update()函数】----------------------------------------  
+    // 说明：此函数在每一帧中都会被调用
+    //------------------------------------------------------------------------------------------------------ 
+	void Update () 
+	{
+        //若按下空格，就跳转到目标场景
+		if(Input.GetKeyDown(KeyCode.Space))
+			Application.LoadLevel(DestinationScene);
+	}
+}

Mastering Unity Scripting/Assets/Part 2.Play With GameObject/2.6 Accessing Object Hierarchies/AccessingObjectHierarchies.cs

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+//ScoreSetter
+
+using UnityEngine;
+using System.Collections;
+
+public class ScoreSetter : MonoBehaviour 
+{
+    //-----------------------------------------【Start()函数】---------------------------------------------    
+    // 说明：此函数仅在Update函数第一次被调用前被调用，常用于进行数据的初始化  
+    //--------------------------------------------------------------------------------------------------------  
+	void Start () 
+	{
+		//设置最高分
+		GameManager.Instance.HighScore = 100;
+	}
+
+}