교제 6장복습

Game Client Lee Hwanguk 2023. 2. 1. 00:14

#6장
(Physics,메카님)

#Physics
*Rigidbody
중력,마찰
중력의 영향을 받고싶지 않다면?
body type-Kinematic설정

*Collider
충돌 판정,충격
회전축 방지?
Constaints(x,y,z)

*Rigidbody2D 변수명;
.AddForce(transform.up) ->Rigidbody를 사용하려면 AddForce로 입력값을 준다
https://docs.unity3d.com/2019.1/Documentation/ScriptReference/Rigidbody2D.AddForce.html

Unity - Scripting API: Rigidbody2D.AddForce

The force is specified as two separate components in the X and Y directions (there is no Z direction in 2D physics). The object will be accelerated by the force according to the law force = mass x acceleration - the larger the mass, the greater the force r

docs.unity3d.com

  void Update()
    {
        rb2D.AddForce(transform.up * thrust);
    }

#Mathf.Abs=>Returns the absolute value of f.(value값 반환)

https://docs.unity3d.com/2019.1/Documentation/ScriptReference/Mathf.Abs.html

Unity - Scripting API: Mathf.Abs

You've told us this page needs code samples. If you'd like to help us further, you could provide a code sample, or tell us about what kind of code sample you'd like to see: You've told us there are code samples on this page which don't work. If you know ho

docs.unity3d.com

#localScale //이미지 반전(ex)transform.localScale = new Vector3(key, 1, 1);

https://docs.unity3d.com/2019.1/Documentation/ScriptReference/Transform-localScale.html

Unity - Scripting API: Transform.localScale

docs.unity3d.com

#play의 jump,좌우이동,속도,속도제한,이미지반전

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

public class PlayerController : MonoBehaviour
{
    Rigidbody2D rigid2D;
    float jumpFoce = 300.0f;
    float walkForce = 30.0f;
    float maxWalkForce = 2.0f;
    // Start is called before the first frame update
    void Start()
    {
        this.rigid2D= GetComponent<Rigidbody2D>();
    }

    // Update is called once per frame
    void Update()
    {
        //space ->jump!
        if(Input.GetKeyDown(KeyCode.Space))
        {
            this.rigid2D.AddForce(transform.up*this.jumpFoce);
            //.AddForce(transform.up*jumpForce)
        }

        //좌우 이동
        int key = 0;
        if (Input.GetKey(KeyCode.RightArrow)) key= 1;
        if (Input.GetKey(KeyCode.LeftArrow)) key = -1;

        //player의 속도
        float speedx=Mathf.Abs(this.rigid2D.velocity.x); //Abs 값 반환 //.velocity속도.x

        //player의 이동속도 제한
        if(speedx<this.maxWalkForce)
        {
            this.rigid2D.AddForce(transform.right * key * this.walkForce);
        }

        //방향에 따라 이미지 반전
        if(key!=0)
        {
            transform.localScale = new Vector3(key, 1, 1);
        }

    }
}

#메카님
애니메이션을 작성하고 실행할 때 유니티 에디션에서
'일관되게' 조작할수있는 기능

#Animator animator; 와Animation animator; 오타 주의!(Animation 은 .speed가 없다..)

speed

The playback speed of the Animator. 1 is normal playback speed.

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

public class PlayerController : MonoBehaviour
{
    Rigidbody2D rigid2D;
    Animator animator;
    float jumpFoce = 300.0f;
    float walkForce = 30.0f;
    float maxWalkSpeed = 2.0f;
    // Start is called before the first frame update
    void Start()
    {
        this.rigid2D= GetComponent<Rigidbody2D>();
        this.animator= GetComponent<Animator>();
    }

    // Update is called once per frame
    void Update()
    {
        //space ->jump!
        if(Input.GetKeyDown(KeyCode.Space))
        {
            this.rigid2D.AddForce(transform.up*this.jumpFoce);
            //.AddForce(transform.up*jumpForce)
        }

        //좌우 이동
        int key = 0;
        if (Input.GetKey(KeyCode.RightArrow)) key= 1;
        if (Input.GetKey(KeyCode.LeftArrow)) key = -1;

        //player의 속도
        float speedx=Mathf.Abs(this.rigid2D.velocity.x); //Abs 값 반환 //.velocity속도.x

        //player의 이동속도 제한
        if(speedx<this.maxWalkSpeed)
        {
            this.rigid2D.AddForce(transform.right * key * this.walkForce);
        }

        //방향에 따라 이미지 반전
        if(key!=0)
        {
            transform.localScale = new Vector3(key, 1, 1);
        }

        //player속도에 맞춰서 애니메이션 속도 변경
        this.animator.speed = speedx / 2.0f;

    }
}

#player의 이동에 따라 카메라 움직임 이동

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

public class CameraController : MonoBehaviour
{
    GameObject player;
    // Start is called before the first frame update
    void Start()
    {
        //this.player = GetComponent<GameObject>();
        this.player = GameObject.Find("cat");
    }

    // Update is called once per frame
    void Update()
    {
        Vector3 playerPos=this.player.transform.position;
        transform.position=new Vector3(transform.position.x,playerPos.y, transform.position.z); //playerPos의y축을 따라 움직임

    }
}

#Physics 충돌 판정

*Collision모드(충돌) / Trigger모드(통과)

*충돌한 순간-Collision모드(OnCollisionEnter2D)/Trigger모드(OnTriggerEnter2D)

충돌 중-Collision모드(OnCollisionStay2D)/Trigger모드(OnTriggerStay2D)

충돌 끝-Collision모드(OnCollisionExit2D)/Trigger모드(OnTriggerExit2D)

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

public class PlayerController : MonoBehaviour
{
    Rigidbody2D rigid2D;
    Animator animator;
    float jumpFoce = 300.0f;
    float walkForce = 30.0f;
    float maxWalkSpeed = 2.0f;
    // Start is called before the first frame update
    void Start()
    {
        this.rigid2D= GetComponent<Rigidbody2D>();
        this.animator= GetComponent<Animator>();
    }

    // Update is called once per frame
    void Update()
    {
        //space ->jump!
        if(Input.GetKeyDown(KeyCode.Space))
        {
            this.rigid2D.AddForce(transform.up*this.jumpFoce);
            //.AddForce(transform.up*jumpForce)
        }

        //좌우 이동
        int key = 0;
        if (Input.GetKey(KeyCode.RightArrow)) key= 1;
        if (Input.GetKey(KeyCode.LeftArrow)) key = -1;

        //player의 속도
        float speedx=Mathf.Abs(this.rigid2D.velocity.x); //Abs 값 반환 //.velocity속도.x

        //player의 이동속도 제한
        if(speedx<this.maxWalkSpeed)
        {
            this.rigid2D.AddForce(transform.right * key * this.walkForce);
        }

        //방향에 따라 이미지 반전
        if(key!=0)
        {
            transform.localScale = new Vector3(key, 1, 1);
        }

        //player속도에 맞춰서 애니메이션 속도 변경
        this.animator.speed = speedx / 2.0f;

        
    }
    //flag 와 충돌
    void OnTrigger2D(Collider2D other) //충돌 상대 오브젝트를 매개변수로
    {
        Debug.LogFormat("골");
    }

}

#Scene변환

https://docs.unity3d.com/2019.1/Documentation/ScriptReference/SceneManagement.SceneManager.LoadScene.html

Unity - Scripting API: SceneManagement.SceneManager.LoadScene

Note: In most cases, to avoid pauses or performance hiccups while loading, you should use the asynchronous version of this command which is: LoadSceneAsync. When using SceneManager.LoadScene, the loading does not happen immediately, it completes in the nex

docs.unity3d.com

#씬 등록을 해야 load가 됨

#player가 flag와 충돌하면 씬전환

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement; //LoadScende 사용

public class PlayerController : MonoBehaviour
{
    Rigidbody2D rigid2D;
    Animator animator;
    float jumpFoce = 300.0f;
    float walkForce = 30.0f;
    float maxWalkSpeed = 2.0f;
    // Start is called before the first frame update
    void Start()
    {
        this.rigid2D= GetComponent<Rigidbody2D>();
        this.animator= GetComponent<Animator>();
    }

    // Update is called once per frame
    void Update()
    {
        //space ->jump!
        if(Input.GetKeyDown(KeyCode.Space))
        {
            this.rigid2D.AddForce(transform.up*this.jumpFoce);
            //.AddForce(transform.up*jumpForce)
        }

        //좌우 이동
        int key = 0;
        if (Input.GetKey(KeyCode.RightArrow)) key= 1;
        if (Input.GetKey(KeyCode.LeftArrow)) key = -1;

        //player의 속도
        float speedx=Mathf.Abs(this.rigid2D.velocity.x); //Abs 값 반환 //.velocity속도.x

        //player의 이동속도 제한
        if(speedx<this.maxWalkSpeed)
        {
            this.rigid2D.AddForce(transform.right * key * this.walkForce);
        }

        //방향에 따라 이미지 반전
        if(key!=0)
        {
            transform.localScale = new Vector3(key, 1, 1);
        }

        //player속도에 맞춰서 애니메이션 속도 변경
        this.animator.speed = speedx / 2.0f;

        
    }
    //flag 와 충돌
    void OnTriggerEnter2D(Collider2D other) //충돌 상대 오브젝트를 매개변수로
    {
        Debug.LogFormat("골");
        SceneManager.LoadScene("ClearScene"); //충돌 했다면 씬 전환
    }

}

#점프를 두번한다면? 화면 밖으로(y) 이탈한다면?

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement; //LoadScende 사용

public class PlayerController : MonoBehaviour
{
    Rigidbody2D rigid2D;
    Animator animator;
    float jumpFoce = 300.0f;
    float walkForce = 30.0f;
    float maxWalkSpeed = 2.0f;
    // Start is called before the first frame update
    void Start()
    {
        this.rigid2D= GetComponent<Rigidbody2D>();
        this.animator= GetComponent<Animator>();
    }

    // Update is called once per frame
    void Update()
    {
        //space ->jump! //이중 점프 방지?
        if(Input.GetKeyDown(KeyCode.Space)&&this.rigid2D.velocity.y==0) //rigid2D의 velocity가 0이어야 다시 점프 가능
        {
            this.rigid2D.AddForce(transform.up*this.jumpFoce);
            //.AddForce(transform.up*jumpForce)
        }

        //좌우 이동
        int key = 0;
        if (Input.GetKey(KeyCode.RightArrow)) key= 1;
        if (Input.GetKey(KeyCode.LeftArrow)) key = -1;

        //player의 속도
        float speedx=Mathf.Abs(this.rigid2D.velocity.x); //Abs 값 반환 //.velocity속도.x

        //player의 이동속도 제한
        if(speedx<this.maxWalkSpeed)
        {
            this.rigid2D.AddForce(transform.right * key * this.walkForce);
        }

        //방향에 따라 이미지 반전
        if(key!=0)
        {
            transform.localScale = new Vector3(key, 1, 1);
        }

        //player속도에 맞춰서 애니메이션 속도 변경
        this.animator.speed = speedx / 2.0f;

        //플레이어가 화면 밖으로 이탈하면?
        if(transform.position.y<-10)
        {
            SceneManager.LoadScene("GameScene"); //처음부터 다시 시작
        }
        
    }

    //flag 와 충돌
    void OnTriggerEnter2D(Collider2D other) //충돌 상대 오브젝트를 매개변수로
    {
        Debug.LogFormat("골");
        SceneManager.LoadScene("ClearScene"); //충돌 했다면 씬 전환
    }

}