using System.Collections;
using System.Collections.Generic;
using UnityEngine; // 有這行才能用Debug.log


public class Deer {
	//field: 儲存變數的地方
    public string name = "Deer";
    public int age = 16;
    float weight = 120.5f;
    bool isDead = false;
    //constructor
    public Deer() {
        Debug.Log("我好可愛");
    }
}

using System.Collections;
using System.Collections.Generic;
using System.Security.Cryptography;
using UnityEngine;

public class deerManager : MonoBehaviour
{
    
    void Start()
    {
       new Deer();
    }
}

using System.Collections;
using System.Collections.Generic;
using System.Security.Cryptography;
using UnityEngine;

public class deerManager : MonoBehaviour
{
    //Field (儲存資料的地方)
    Deer deer1; // 特殊資料種類
    //Deer: 儲存類型
    //deer: 自行命名的變數
    Deer deer2;
    void Start()
    {
        deer1 = new Deer(); //創造一個 "Deer object"，並把這個object存在 "deer"這個變數中
        deer1.name = "Bob";
        deer1.age = 8;
        deer2 = new Deer();
        deer2.name = "Paul";
        deer2.age = 10;
    }
}

//Deer.cs
public class Deer {

    public void Move() {
        Debug.Log ("我動了");
        string newLocation = GetLocation();
        Debug.Log("我移動到了" + newLocation);
        //void: 不回傳值
    }
    
    private string GetLocation() {
        string location = "貝絲家";
        return location;
        //method 名稱前的 "string": 回傳字串
        //return: 回傳＋離開 method
        
    }
    
    public void getGift(string gift) {
        Debug.Log ("我得到了"+ gift);
        //gift: 參數
    }
    
    public void Test(string test, int number, float score) {
        //也可以在 method 裡面設定很多個參數
    }
 
}

//deerManager.cs
public class deerManager : MonoBehaviour {
    Deer deer1; 
    
    void Start()
    {
        deer1 = new Deer();
        deer1.Move(); 
        //Console視窗：我移動了＆我移動到了貝絲家
        deer1.getGift("禮物"); 
        //Console視窗：我得到了禮物

    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class deerManager : MonoBehaviour
{
    Vector2 vec2a, vec2b, vec2c;
    Vector3 vec3a, vec3b, vec3c;
    float exampleFloat;
    void Start()
    {
        //賦值
        vec2a = Vector2.up; //(0,1)
        vec2b = Vector2.right; //(1,0)
        vec3a = Vector3.forward; //(0,0,1)
        vec3b.Set(0,0,0); //直接設定Vector的值
        vec3b = new Vector3(25.0f, 20, 31);
        //運算
        vec2c = vec2a + vec2b; //(1,1) = (x1+x2, y1+y2)
        vec2c = vec2c * 10; //(10,10) = (k * x1, k * x2)
        vec2c *= 10; //同上

        exampleFloat = Vector2.Distance(vec2a,vec2b);
        exampleFloat = Vector2.Angle(vec2a, vec2b); //回傳起始＆結束座標連線和水平方向的夾角
        exampleFloat = vec2a.magnitude; //回傳向量長度
        transform.position = Vector2.MoveTowards(transform.position, vec2c, 0.01f); 
        //(起點vector, 終點vector, 每次執行的移動距離(移動速度)) -> 寫在Update/FixedUpdate可以讓物件不斷向目標vector前進
        transform.position = Vector2.Lerp(transform.position, vec2c, 0.01f);
        //(起點vector, 終點vector, 兩個vector的差值) -> 更加平滑的移動（分點公式的兩線段比例）
        exampleFloat = vec3a.x;
        exampleFloat = vec3a.y;
        exampleFloat = vec3a.z; //Vector3 獨有

        transform.position = new Vector3(1, 0, 1);
        float x = transform.position.x;
        transform.localPosition = Vector3.zero; //相對於父物件的位置
        transform.Scale = Vector3.one; //GameObject於三維座標上的尺寸比例
        transform.localScale = new Vector3(-transform.localScale.x,transform.localScale.y,transform.localScale.z); //左右旋轉
        transform.rotation = Quaternion.identity; //GameObject的旋轉，以Quaternion(四元數)格式儲存，非常複雜，此處的identity為不旋轉
        transform.rotation = Quaternion.Euler(95,10,31); //以三維方式(歐拉角)旋轉
        transform.Translate(new Vector3(12, 15, 1)); //將position以一定的向量變動


    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class deerManager : MonoBehaviour
{
    Vector2 vec2a, vec2b, vec2c;
    Vector3 vec3a, vec3b, vec3c;
    float exampleFloat;
    void Start()
    {
    	float exampleFloat = 2.5f;
        float exampleFloatAbs = Mathf.Abs(exampleFloat); //絕對值
 
        SpriteRenderer exampleSpriteRenderer = GetComponent<SpriteRenderer>();
 
        GameObject exampleObject1 = GameObject.Find("cat"); //用名字找Scene中的遊戲物件並回傳第一個符合的
        GameObject exampleObject2 = GameObject.FindGameObjectWithTag("Cat"); //用Tag找Scene中的遊戲物件並回傳第一個符合的
        GameObject.Destroy(this.gameObject); //摧毀以此Script作為Component的遊戲物件
        exampleSpriteRenderer.enabled = true; //exampleSpriteRenderer的啟用狀態，可直接修改(相當於框框打勾與否)
        this.enabled = true; //此Script的啟用狀態，相當於框框打勾與否
        exampleObject2.SetActive(false); //停用exampleObject2(相當於框框不打勾)
        float DeltaTime = Time.deltaTime; //在FixedUpdate中，這個值大約為0.02秒，其他地方則為一幀的時間
    }
}