SchoolTour/Assets/HTC.UnityPlugin/ViveInputUtility/Scripts/ViveInput/grabInteraction.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Valve.VR;

public class grabInteraction : MonoBehaviour
{
    public SteamVR_Input_Sources handType; //���� ����, �޼�, ������
    public SteamVR_Behaviour_Pose controllerPose; // ��Ʈ�ѷ� ����
    public SteamVR_Action_Boolean grabAction; //�׸� �׼�

    private GameObject collidingObject; //���� �浹���� ��ü
    private GameObject objectInHand; //�÷��̾ ���� ��ü

    private void Update()
    {
        //trigger ��ư�� ���� ��
        if (grabAction.GetLastStateDown(handType))
        {
            if (collidingObject)
            {
                GrabObject();
            }
        }

        //trigger ��ư�� ���� ��
    /*   if (grabAction.GetLastStateDown(handType))
        {
            if (objectInHand)
            {
                GrabObject();
            }
        }*/
    }

    // �浹�� ���۵Ǵ� ����
    public void OnTriggerEnter(Collider other)
    {
        SetCollidingObject(other);
    }
    // �浹 ���� ��
    public void OnTriggerStay(Collider other)
    {
        SetCollidingObject(other);
    }
    // �浹�� ������ ����
    public void OnTriggerExit(Collider other)
    {
        if (!collidingObject)
            return;
        collidingObject = null;
    }

    //�浹 ���� ��ü�� ���� 
    private void SetCollidingObject(Collider col)
    {
        //�̹� �浹 ���̰ų� rigidbody�� ������ ���� ���� ���� ����ó��
        if (collidingObject || !col.GetComponent<Rigidbody>())
            return;
        collidingObject = col.gameObject;
    }

    //��ü ����
    private void GrabObject()
    {
        objectInHand = collidingObject;  //���� ��ü�� ����
        collidingObject = null; //�浹 ��ü ����

        var joint = AddFixedJoint();
        joint.connectedBody = objectInHand.GetComponent<Rigidbody>();
    }
    //FixedJoint=>��ü���� �ϳ��� ���� ����������
    //breakForce=>����Ʈ�� ���ŵǵ��� �ϱ� ���� �ʿ��� ���� ũ��
    //breakTorque=>����Ʈ�� ���ŵǵ��� �ϱ� ���� �ʿ��� ��ũ
    
    //joint �߰�
    private FixedJoint AddFixedJoint()
    {
        FixedJoint joint = gameObject.AddComponent<FixedJoint>();
        joint.breakForce = 20000;
        joint.breakTorque = 20000;
        return joint;
    }
    //��ü ����
    // controllerPose.GetVelocity()=>��Ʈ�ѷ� �ӵ�
    // controllerPose.GetAngularVelocity=>��Ʈ�ѷ� ���ӵ�
 /*  private void ReleaseObject(){
if (GetComponent<FixedJoint>()) {
GetComponent<FixedJoint>().connectedBody = null;
    Destroy(GetComponent<FixedJoint>());
    objectInHand.GetComponent<Rigidbody>().velocity=
                controllerPose.GetVelocity() ;
            objectInHand.GetComponent<Rigidbody>().angularVelocity =
                        controllerPose.GetAngularVelocity();
}
objectInHand = null;
}*/
}