투명디스플레이 연구사업

using UnityEngine;

using System.Collections;

public class GrabRotateScript : MonoBehaviour, InteractionListenerInterface

{

	[Tooltip("Material used to outline the object when selected.")]

	public Material selectedObjectMaterial;

	[Tooltip("Smooth factor used for object rotations.")]

	public float smoothFactor = 3.0f;

	[Tooltip("Camera used for screen ray-casting. This is usually the main camera.")]

	public Camera screenCamera;

	[Tooltip("GUI-Text used to display information messages.")]

	public GUIText infoGuiText;

	[Tooltip("Interaction manager instance, used to detect hand interactions. If left empty, it will be the first interaction manager found in the scene.")]

	public InteractionManager interactionManager;

	//private bool isLeftHandDrag = false;

	private InteractionManager.HandEventType lastHandEvent = InteractionManager.HandEventType.None;

	private Vector3 screenNormalPos = Vector3.zero;

	private GameObject selectedObject;

	private Material savedObjectMaterial;

	void Start()

	{

		// by default set the main-camera to be screen-camera

		if (screenCamera == null) 

		{

			screenCamera = Camera.main;

		}

		// get the interaction manager instance

		if (interactionManager == null) 

		{

			interactionManager = InteractionManager.Instance;

		}

	}

	void Update() 

	{

		if(interactionManager != null && interactionManager.IsInteractionInited())

		{

			Vector3 screenPixelPos = Vector3.zero;

			if(selectedObject == null)

			{

				// no object is currently selected or dragged.

				// check if there is an underlying object to be selected

				if(lastHandEvent == InteractionManager.HandEventType.Grip && screenNormalPos != Vector3.zero)

				{

					// convert the normalized screen pos to pixel pos

					screenNormalPos = interactionManager.IsLeftHandPrimary() ? interactionManager.GetLeftHandScreenPos() : interactionManager.GetRightHandScreenPos();

					screenPixelPos.x = (int)(screenNormalPos.x * (screenCamera ? screenCamera.pixelWidth : Screen.width));

					screenPixelPos.y = (int)(screenNormalPos.y * (screenCamera ? screenCamera.pixelHeight : Screen.height));

					Ray ray = screenCamera ? screenCamera.ScreenPointToRay(screenPixelPos) : new Ray();

					// check for underlying objects

					RaycastHit hit;

					if(Physics.Raycast(ray, out hit))

					{

						if(hit.collider.gameObject == gameObject)

						{

							selectedObject = gameObject;

							savedObjectMaterial = selectedObject.GetComponent<Renderer>().material;

							selectedObject.GetComponent<Renderer>().material = selectedObjectMaterial;

						}

					}

				}

			}

			else

			{

				// continue dragging the object

				screenNormalPos = interactionManager.IsLeftHandPrimary() ? interactionManager.GetLeftHandScreenPos() : interactionManager.GetRightHandScreenPos();

				float angleArounfY = screenNormalPos.x * 360f;  // horizontal rotation

				float angleArounfX = screenNormalPos.y * 360f;  // vertical rotation

				Vector3 vObjectRotation = new Vector3(-angleArounfX, -angleArounfY, 180f);

				Quaternion qObjectRotation = screenCamera ? screenCamera.transform.rotation * Quaternion.Euler(vObjectRotation) : Quaternion.Euler(vObjectRotation);

				selectedObject.transform.rotation = Quaternion.Slerp(selectedObject.transform.rotation, qObjectRotation, smoothFactor * Time.deltaTime);

				// check if the object (hand grip) was released

				bool isReleased = lastHandEvent == InteractionManager.HandEventType.Release;

				if(isReleased)

				{

					// restore the object's material and stop dragging the object

					selectedObject.GetComponent<Renderer>().material = savedObjectMaterial;

					selectedObject = null;

				}

			}

		}

	}

	void OnGUI()

	{

		if(infoGuiText != null && interactionManager != null && interactionManager.IsInteractionInited())

		{

			string sInfo = string.Empty;

			long userID = interactionManager.GetUserID();

			if(userID != 0)

			{

				if(selectedObject != null)

					sInfo =  selectedObject.name + " grabbed.\nYou can turn it now in all directions.";

				else

					sInfo = "Grab the object to turn it.";

			}

			else

			{

				KinectManager kinectManager = KinectManager.Instance;

				if(kinectManager && kinectManager.IsInitialized())

				{

					sInfo = "Waiting for Users...";

				}

				else

				{

					sInfo = "Kinect is not initialized. Check the log for details.";

				}

			}

			infoGuiText.text = sInfo;

		}

	}

	public void HandGripDetected(long userId, int userIndex, bool isRightHand, bool isHandInteracting, Vector3 handScreenPos)

	{

		if (!isHandInteracting || !interactionManager)

			return;

		if (userId != interactionManager.GetUserID())

			return;

		lastHandEvent = InteractionManager.HandEventType.Grip;

		//isLeftHandDrag = !isRightHand;

		screenNormalPos = handScreenPos;

	}

	public void HandReleaseDetected(long userId, int userIndex, bool isRightHand, bool isHandInteracting, Vector3 handScreenPos)

	{

		if (!isHandInteracting || !interactionManager)

			return;

		if (userId != interactionManager.GetUserID())

			return;

		lastHandEvent = InteractionManager.HandEventType.Release;

		//isLeftHandDrag = !isRightHand;

		screenNormalPos = handScreenPos;

	}

	public bool HandClickDetected(long userId, int userIndex, bool isRightHand, Vector3 handScreenPos)

	{

		return true;

	}

}