commit 8c45104f18f021a2847523115b1b75316112c7fd
Author: username <user@email.mail>
Date:   Thu Jul 1 22:18:17 2021 +0900

    commit

diff --git a/ContinuousMovement.cs b/ContinuousMovement.cs
new file mode 100644
index 0000000..4d4223f
--- /dev/null
+++ b/ContinuousMovement.cs
@@ -0,0 +1,83 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR;
+using UnityEngine.XR.Interaction.Toolkit;
+
+public class ContinuousMovement : MonoBehaviour
+{
+    public float gravity = -9.81f;          //중력 상수
+    public float speed = 1f;
+    public float additionalHeight = 0.2f;   //눈~정수리 위까지의 추가 키
+    public XRNode inputSource;              //인풋을 가져올 XRNode => Left Hand로 설정
+    public LayerMask groundLayer;           //히트 체크할 땅의 레이어
+
+    private float fallingSpeed;             //떨어지는 속도
+    private Vector2 inputAxis;              //조이스틱 인풋값
+    private CharacterController character;  //이동용 컴포넌트
+    private XRRig rig;                      //카메라 바라보는 방향 가져오기 위해 레퍼런스 가져옴
+    
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        character = GetComponent<CharacterController>();
+        rig = GetComponent<XRRig>();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        //XRNode로 device가져와서 인풋값 받기
+        InputDevice device = InputDevices.GetDeviceAtXRNode(inputSource);
+        device.TryGetFeatureValue(CommonUsages.primary2DAxis, out inputAxis);
+    }
+
+    //CharacterController는 물리적으로 반응하며 움직이기 떄문에 FixedUpdate에서 처리해줘야 함
+    private void FixedUpdate()  //0.02 * 50 = 1
+    {
+        CapsuleFollowHeadset();
+
+        //※사원수를 쓰는 이유 : https://hoodymong.tistory.com/3
+        //카메라의 y 앵글값(=Yaw)을 사원수(Quaternion)으로 변환 
+        Quaternion headYaw = Quaternion.Euler(0f, rig.cameraGameObject.transform.eulerAngles.y, 0f);
+
+        //Quaternion x Vector3 하면 회전
+        Vector3 direction = headYaw * new Vector3(inputAxis.x, 0f, inputAxis.y);
+
+        character.Move(direction * Time.fixedDeltaTime * speed);
+
+        //중력 적용 : 발이 땅에 붙어있지 않을 때만 하강 속도가 증가하도록
+        bool isGrounded = CheckIfGrounded();
+
+        if (isGrounded)
+            fallingSpeed = 0f;
+        else
+            fallingSpeed += gravity * Time.fixedDeltaTime;
+
+        character.Move(Vector3.up * fallingSpeed * Time.fixedDeltaTime);
+    }
+
+    //발이 땅에 붙었는지?를 리턴하는 함수
+    private bool CheckIfGrounded()
+    {
+        Vector3 rayStart = transform.TransformPoint(character.center);      //CharacterController의 중심점을 월드 스페이스 변환
+        float rayLength = character.center.y + 0.01f;                       //광선 길이는 CC의 키/2 보다 살짝만 더 길게해서 발 밑을 확실히 체크하도록 해줌
+        bool hasHit = Physics.SphereCast(rayStart, character.radius, Vector3.down, out RaycastHit hitInfo, rayLength, groundLayer);
+
+        return hasHit;
+    }
+
+    //캐릭터 컨트롤러의 캡슐이 내 머리 위치 따라오도록 설정
+    void CapsuleFollowHeadset()
+    {
+        //카메라의 위치를 자기 자신 기준 local 좌표로 보정하여 저장
+        Vector3 capsuleCenter = transform.InverseTransformPoint(rig.cameraGameObject.transform.position);
+
+        //Capsule의 높이를 rig의 높이 + 약간의 여유값에 맞춰줌
+        character.height = rig.cameraInRigSpaceHeight + additionalHeight;
+
+        //수평(x, z) 좌표는 capsuleCenter를 따라가고, y는 character.height의 절반으로 해서 발을 땅에 붙이도록 해줌
+        character.center = new Vector3(capsuleCenter.x, character.height / 2f, capsuleCenter.z);
+    }
+}
diff --git a/FadeTeleportationProvider.cs b/FadeTeleportationProvider.cs
new file mode 100644
index 0000000..d356c31
--- /dev/null
+++ b/FadeTeleportationProvider.cs
@@ -0,0 +1,80 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.XR.Interaction.Toolkit;
+using DG.Tweening;      //DOTween 네임스페이스
+using UnityEngine.Assertions;
+
+public class FadeTeleportationProvider : TeleportationProvider
+{
+    public Image fadeScreen;
+    public Color fadeColor = Color.black;
+    public float fadeDuration = 0.5f;
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        startLocomotion += FadeTeleportationProvider_startLocomotion;
+        endLocomotion += FadeTeleportationProvider_endLocomotion;
+        fadeScreen.color = fadeColor;
+    }
+
+    private void FadeTeleportationProvider_startLocomotion(LocomotionSystem obj)
+    {
+        print("Start Locomotion");
+        //페이드아웃이 끝나면 Teleport 함수를 실행해라
+        fadeScreen.DOFade(1f, fadeDuration).OnComplete(Teleport);       
+    }
+
+    private void FadeTeleportationProvider_endLocomotion(LocomotionSystem obj)
+    {
+        print("End Locomotion");
+        fadeScreen.DOFade(0f, fadeDuration);
+    }
+
+    protected override void Update()
+    {
+        //텔레포트 요청
+        if (!validRequest || !BeginLocomotion())
+            return;
+    }
+
+    void Teleport()
+    {
+        print("Begin TeleporT!!!");
+
+        //실제 텔레포트 하는 부분
+        var xrRig = system.xrRig;
+        if (xrRig != null)
+        {
+            switch (currentRequest.matchOrientation)
+            {
+                case MatchOrientation.WorldSpaceUp:
+                    xrRig.MatchRigUp(Vector3.up);
+                    break;
+                case MatchOrientation.TargetUp:
+                    xrRig.MatchRigUp(currentRequest.destinationRotation * Vector3.up);
+                    break;
+                case MatchOrientation.TargetUpAndForward:
+                    xrRig.MatchRigUpCameraForward(currentRequest.destinationRotation * Vector3.up, currentRequest.destinationRotation * Vector3.forward);
+                    break;
+                case MatchOrientation.None:
+                    // Change nothing. Maintain current rig rotation.
+                    break;
+                default:
+                    Assert.IsTrue(false, $"Unhandled {nameof(MatchOrientation)}={currentRequest.matchOrientation}.");
+                    break;
+            }
+
+            var heightAdjustment = xrRig.rig.transform.up * xrRig.cameraInRigSpaceHeight;
+
+            var cameraDestination = currentRequest.destinationPosition + heightAdjustment;
+
+            xrRig.MoveCameraToWorldLocation(cameraDestination);
+        }
+
+        EndLocomotion();
+        validRequest = false;
+    }
+}
diff --git a/LocomotionController.cs b/LocomotionController.cs
new file mode 100644
index 0000000..4de9609
--- /dev/null
+++ b/LocomotionController.cs
@@ -0,0 +1,48 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+
+public class LocomotionController : MonoBehaviour
+{
+    public XRController leftTeleportRay;
+    public XRController rightTeleportRay;
+    public InputHelpers.Button teleportActivationButton;    //텔레포트 활성화 버튼
+    public float activationThreshold = 0.1f;                //살짝만 누르면 텔레포트 활성화 되도록
+
+    //각 손의 텔레포트 활성화 할것인가? => UnityEvent 에서 설정
+    public bool EnableLeftTeleport { get; set; } = true;
+    public bool EnableRightTeleport { get; set; } = true;
+
+    public XRRayInteractor leftRayInteractor;
+    public XRRayInteractor rightRayInteractor;
+
+    // Update is called once per frame
+    void Update()
+    {
+        //각 컨트롤러의 텔레포트를 활성화/비활성화
+        if (leftTeleportRay)
+        {
+            //InteractorRay가 무엇에 닿았는가?
+            bool isLeftInteractorRayHovering = leftRayInteractor.TryGetHitInfo(out Vector3 pos, out Vector3 norm, out int posInLine, out bool isValid);
+            leftTeleportRay.gameObject.SetActive(CheckIfActivated(leftTeleportRay) && EnableLeftTeleport && !isLeftInteractorRayHovering);
+        }
+            
+
+        if (rightTeleportRay)
+        {
+            bool isRightInteractorRayHovering = rightRayInteractor.TryGetHitInfo(out Vector3 pos, out Vector3 norm, out int posInLine, out bool isValid);
+            rightTeleportRay.gameObject.SetActive(CheckIfActivated(rightTeleportRay) && EnableRightTeleport && !isRightInteractorRayHovering);
+        }
+            
+    }
+
+    //특정 컨트롤러의 특정 버튼이 눌렀는가? 를 리턴하는 함수
+    public bool CheckIfActivated(XRController controller)
+    {
+        //controller의 활성화 버튼을 activationThreshold 이상으로 눌렀으면, 그 값을 저장하고 리턴
+        InputHelpers.IsPressed(controller.inputDevice, teleportActivationButton, out bool isActivated, activationThreshold);
+
+        return isActivated;
+    }
+}
diff --git a/ObjectActivator.cs b/ObjectActivator.cs
new file mode 100644
index 0000000..b3b8fcf
--- /dev/null
+++ b/ObjectActivator.cs
@@ -0,0 +1,43 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Events;
+
+public class ObjectActivator : MonoBehaviour
+{
+    public bool Toggle;
+    public UnityEvent OnActivated;
+    public UnityEvent OnDeactivated;
+    public AudioClip audioClip;
+    public AudioSource audioSource;
+
+    bool m_Activated = false;
+    
+    public void Activated()
+    {
+        if (Toggle)
+        {
+            if (m_Activated)
+                OnDeactivated.Invoke();
+            else
+                OnActivated.Invoke();
+            m_Activated = !m_Activated;
+            audioSource.PlayOneShot(audioClip);
+        }
+        else
+        {
+            OnActivated.Invoke();
+            m_Activated = true;
+            
+        }
+    }
+
+    public void Deactivated()
+    {
+        if (!Toggle)
+        {
+            OnDeactivated.Invoke();
+            m_Activated = false;
+        }
+    }
+}
diff --git a/SceneLoad.cs b/SceneLoad.cs
new file mode 100644
index 0000000..471b9ae
--- /dev/null
+++ b/SceneLoad.cs
@@ -0,0 +1,17 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public class SceneLoad : MonoBehaviour
+{
+    public void ChangeScene(string sceneName)
+    {
+        SceneManager.LoadScene(sceneName);
+    }
+
+    public void OnApplicationQuit()
+    {
+        Application.Quit();
+    }
+}
diff --git a/SocketTarget.cs b/SocketTarget.cs
new file mode 100644
index 0000000..5fc8ae7
--- /dev/null
+++ b/SocketTarget.cs
@@ -0,0 +1,50 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+
+
+/// <summary>
+/// Special script that work with the XRExclusiveSocket script. This allow to define a SocketType and if that SocketType
+/// does not match the XRExclusiveSocket SocketType, this won't be accepted by the socket as a valid target
+/// </summary>
+[RequireComponent(typeof(XRBaseInteractable))]
+public class SocketTarget : MonoBehaviour
+{
+    public string SocketType;
+    public XRInteractableEvent SocketedEvent;
+    public bool DisableSocketOnSocketed;
+    
+    void Awake()
+    {
+        var interactable = GetComponent<XRBaseInteractable>();
+
+        interactable.onSelectEntered.AddListener(SelectedSwitch);
+    }
+
+    public void SelectedSwitch(XRBaseInteractor interactor)
+    {
+        var socketInteractor = interactor as XRExclusiveSocketInteractor;
+        
+        if(socketInteractor == null)
+            return;
+
+        if(SocketType != socketInteractor.AcceptedType)
+            return;
+
+        if (DisableSocketOnSocketed)
+        {
+            //TODO : find a better way, delay feel very wrong
+            StartCoroutine(DisableSocketDelayed(socketInteractor));
+        }
+
+        SocketedEvent.Invoke(interactor);
+    }
+
+    IEnumerator DisableSocketDelayed(XRExclusiveSocketInteractor interactor)
+    {
+        yield return new WaitForSeconds(0.5f);
+        interactor.socketActive = false;
+    }
+}
diff --git a/TwoHandGrabInteractable.cs b/TwoHandGrabInteractable.cs
new file mode 100644
index 0000000..62ac4ed
--- /dev/null
+++ b/TwoHandGrabInteractable.cs
@@ -0,0 +1,108 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+
+public class TwoHandGrabInteractable : XRGrabInteractable
+{
+    public List<XRSimpleInteractable> secondHandGrabPoints = new List<XRSimpleInteractable>();      //두번째 손 잡이용 XRSimpleInteractable들
+    private XRBaseInteractor secondInteractor;      //두 번째 손의 Interactor
+    private Quaternion attachInitialRotation;       //첫 번째 손의 원래 회전값
+
+    public enum TwoHandRotationType { None, First, Second }     //어느 손의 기준으로 총을 회전할 것인가?
+    public TwoHandRotationType twoHandRotationType;
+
+    private Quaternion initialRotationOffset;           //두번째 손으로 잡을 때, 회전각의 차이값을 저장
+
+    void Start()
+    {
+        //두 번째 손을 잡았을 때 / 손았을 때 실행할 리스너 함수 등록
+        foreach (var item in secondHandGrabPoints)
+        {
+            item.onSelectEntered.AddListener(OnSecondHandGrab);
+            item.onSelectExited.AddListener(OnSecondHandRelease);
+        }
+    }
+
+    //사물을 잡고 있는 동안 계쏙 실행
+    public override void ProcessInteractable(XRInteractionUpdateOrder.UpdatePhase updatePhase)
+    {
+        //양 손으로 잡고 있을 때만 회전값을 계산하도록
+        if(selectingInteractor && secondInteractor)
+        {
+            //회전값을 계산
+            //오브젝트의 Pivot중심점이 아닌, 첫 번째 손을 잡은 AttachTransform을 기준으로 회전하기 위해 잡은 손의 attachTransform의 회전각을 변경해줌
+            selectingInteractor.attachTransform.rotation = GetTwoHandRotation() * initialRotationOffset;
+        }
+
+        base.ProcessInteractable(updatePhase);
+    }
+
+
+    private Quaternion GetTwoHandRotation()
+    {
+        Quaternion targetRotation;
+
+        switch (twoHandRotationType)
+        {
+            default:
+            case TwoHandRotationType.None:
+                //회전하지 않음
+                targetRotation = Quaternion.LookRotation(secondInteractor.transform.position - selectingInteractor.transform.position);
+                break;
+            case TwoHandRotationType.First:
+                targetRotation = Quaternion.LookRotation(secondInteractor.transform.position - selectingInteractor.transform.position, selectingInteractor.attachTransform.up);
+                break;
+            case TwoHandRotationType.Second:
+                targetRotation = Quaternion.LookRotation(secondInteractor.transform.position - selectingInteractor.transform.position, secondInteractor.attachTransform.up);
+                break;
+        }
+
+        return targetRotation;
+    }
+
+    public override bool IsSelectableBy(XRBaseInteractor interactor)
+    {
+        //이미 다른 Interactor가 잡고 있는가?
+        //현재 잡고 있는 Interactor가 있고, 그게 지금 새로 잡으려는 interactor가 아닌 경우에만 true
+        bool isAlreadyGrabbed = selectingInteractor && !interactor.Equals(selectingInteractor);
+
+        //'다른 Interactor'가 잡고 있지 않을 때'라는 조건 추가
+        return base.IsSelectableBy(interactor) && !isAlreadyGrabbed;
+    }
+
+    public void OnSecondHandGrab(XRBaseInteractor interactor)
+    {
+        print("Second Hand Grab");
+        secondInteractor = interactor;      //두번째 Interactor 설정
+
+        //Quaternion의 회전값의 차이를 구하기 위해, 한 Quaternion의 Inverse값에 다른 Quaternion을 곱해줌
+        initialRotationOffset = Quaternion.Inverse(GetTwoHandRotation()) * selectingInteractor.attachTransform.rotation;
+    }
+
+    public void OnSecondHandRelease(XRBaseInteractor interactor)
+    {
+        print("Second Hand Release");
+        secondInteractor = null;            //두번쨰 Interactor 비워줌
+    }
+
+    protected override void OnSelectEntered(XRBaseInteractor interactor)
+    {
+        base.OnSelectEntered(interactor);
+
+        print("First Hand Enter");
+
+        attachInitialRotation = interactor.attachTransform.localRotation;       //첫 번째 손의 원래 회전값 저장
+    }
+
+    protected override void OnSelectExited(XRBaseInteractor interactor)
+    {
+        base.OnSelectExited(interactor);
+
+        print("First Hand Exit");
+
+        secondInteractor = null;        //첫번째 손을 놓으면, 두번째 손도 놓게
+
+        interactor.attachTransform.localRotation = attachInitialRotation;       //첫 번째 손의 회전값 리셋
+    }
+}
diff --git a/XRExclusiveSocketInteractor.cs b/XRExclusiveSocketInteractor.cs
new file mode 100644
index 0000000..c696d9a
--- /dev/null
+++ b/XRExclusiveSocketInteractor.cs
@@ -0,0 +1,30 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+
+public class XRExclusiveSocketInteractor : XRSocketInteractor
+{
+    public string AcceptedType;         //SocketTarget의 SocketType과 비교할 값
+
+
+    public override bool CanSelect(XRBaseInteractable interactable)
+    {
+        //이 소켓과 인터렉션하려는 사물의 SocketTarget을 가져오고
+        SocketTarget socketTarget = interactable.GetComponent<SocketTarget>();
+
+        //SocketTarget이 없으면 선택 불가
+        if (socketTarget == null)
+            return false;
+
+        //baseClass에서도 선택할 수 있고, SocketTarget의 타입도 같으면 선택 가능하게
+        return base.CanSelect(interactable) && (socketTarget.SocketType == AcceptedType);
+    }
+
+    //선택 가능한 사물만이 Hover 가능하도록
+    public override bool CanHover(XRBaseInteractable interactable)
+    {
+        return CanSelect(interactable);
+    }
+
+}
diff --git a/XROffsetGrabInteractable.cs b/XROffsetGrabInteractable.cs
new file mode 100644
index 0000000..c411a59
--- /dev/null
+++ b/XROffsetGrabInteractable.cs
@@ -0,0 +1,44 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+
+public class XROffsetGrabInteractable : XRGrabInteractable
+{
+    //Pivot을 리셋시키기 위해 원래 로컬 위치, 회전 저장
+    private Vector3 initialAttachLocalPos;
+    private Quaternion initialAttachLocalRot;
+
+    protected virtual void Start()
+    {
+        //attachTransform 이 없다면 만들어준다.
+        if(!attachTransform)
+        {
+            GameObject pivot = new GameObject("Attach Pivot");      //피봇용 빈 게임오브젝트를 만들어서
+            pivot.transform.SetParent(transform, false);            //자신의 자식으로 넣고, 위치를 0, 0, 0 으로
+            attachTransform = pivot.transform;
+        }
+
+        initialAttachLocalPos = attachTransform.localPosition;
+        initialAttachLocalRot = attachTransform.localRotation;
+    }
+
+    //잡는 순간 실행되는 함수 오버라이드
+    protected override void OnSelectEntering(XRBaseInteractor interactor)
+    {
+        //직접 손으로 잡으면 Offset Grabbing
+        if(interactor is XRDirectInteractor)
+        {
+            attachTransform.position = interactor.attachTransform.position;
+            attachTransform.rotation = interactor.attachTransform.rotation;
+        }
+        else
+        {
+            //그 외에는 Pivot값을 원래대로 리셋시켜줌
+            attachTransform.localPosition = initialAttachLocalPos;
+            attachTransform.localRotation = initialAttachLocalRot;
+        }
+
+        base.OnSelectEntering(interactor);
+    }
+}