unity中VR拾取物品，并抛出物体的代码

以下是一个简单的Unity VR拾取和抛出物品的示例代码。该代码使用SteamVR插件和Oculus Touch手柄进行交互。

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

public class VRPickupThrow : MonoBehaviour
{
    private SteamVR_TrackedObject trackedObject;
    private SteamVR_Controller.Device device;
    private Rigidbody rigidbody;
    private Transform originalParent;
    private bool isHolding = false;

    private void Awake()
    {
        trackedObject = GetComponent<SteamVR_TrackedObject>();
        rigidbody = GetComponent<Rigidbody>();
        originalParent = transform.parent;
    }

    private void FixedUpdate()
    {
        device = SteamVR_Controller.Input((int)trackedObject.index);

        if (device.GetTouchDown(SteamVR_Controller.ButtonMask.Trigger))
        {
            Pickup();
        }
        else if (device.GetTouchUp(SteamVR_Controller.ButtonMask.Trigger))
        {
            Throw();
        }
    }

    private void Pickup()
    {
        if (!isHolding)
        {
            RaycastHit hit;
            if (Physics.Raycast(transform.position, transform.forward, out hit))
            {
                if (hit.collider.gameObject.GetComponent<Rigidbody>())
                {
                    rigidbody = hit.collider.gameObject.GetComponent<Rigidbody>();
                    rigidbody.isKinematic = true;
                    transform.SetParent(hit.collider.gameObject.transform);
                    isHolding = true;
                }
            }
        }
    }

    private void Throw()
    {
        if (isHolding)
        {
            rigidbody.isKinematic = false;
            transform.SetParent(originalParent);
            rigidbody.velocity = device.velocity;
            rigidbody.angularVelocity = device.angularVelocity;
            isHolding = false;
        }
    }
}

在这个代码中，我们创建了一个名为VRPickupThrow的脚本。它有以下功能：

- 跟踪SteamVR手柄的输入
- 检测手柄是否按下或松开扳机按钮
- 在按下触发器时，拾取附近的刚体物体并将其作为子对象附加到手柄上
- 在松开触发器时，将物体抛出并恢复其自由运动

要使用这个脚本，将其添加到您想要交互的物体上。确保该物体具有刚体组件和碰撞器。还需要安装SteamVR插件并连接Oculus Touch手柄。最后，您需要将此脚本附加到SteamVR手柄上。