투명디스플레이 연구사업

using UnityEngine;

using System.Collections;

//using Windows.Kinect;

public class HandOverlayer : MonoBehaviour 

{

	[Tooltip("GUI-texture used to display the color camera feed on the scene background.")]

	public GUITexture backgroundImage;

	[Tooltip("Index of the player, tracked by this component. 0 means the 1st player, 1 - the 2nd one, 2 - the 3rd one, etc.")]

	public int playerIndex = 0;

	[Tooltip("Whether the player is left handed or not.")]

	public bool isLeftHanded = false;

	[Tooltip("Hand-cursor texture for the hand-grip state.")]

	public Texture gripHandTexture;

	[Tooltip("Hand-cursor texture for the hand-release state.")]

	public Texture releaseHandTexture;

	[Tooltip("Hand-cursor texture for the non-tracked state.")]

	public Texture normalHandTexture;

	[Tooltip("Smooth factor for cursor movement.")]

	public float smoothFactor = 10f;

	// current cursor position

	private Vector2 cursorPos = Vector2.zero;

	// last hand event (grip or release)

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

	/// <summary>

	/// Gets the cursor position.

	/// </summary>

	/// <returns>The cursor position.</returns>

	public Vector2 GetCursorPos()

	{

		return cursorPos;

	}

	/// <summary>

	/// Gets the last hand event of the active hand (right or left).

	/// </summary>

	/// <returns>The last hand event.</returns>

	public InteractionManager.HandEventType GetLastHandEvent()

	{

		return lastHandEvent;

	}

	// ----- end of public functions -----

	void Update () 

	{

		KinectManager manager = KinectManager.Instance;

		if(manager && manager.IsInitialized())

		{

			//backgroundImage.renderer.material.mainTexture = manager.GetUsersClrTex();

			if(backgroundImage && (backgroundImage.texture == null))

			{

				backgroundImage.texture = manager.GetUsersClrTex();

			}

			// overlay the joint

			int iJointIndex = !isLeftHanded ? (int)KinectInterop.JointType.HandRight : (int)KinectInterop.JointType.HandLeft;

			if(manager.IsUserDetected(playerIndex))

			{

				long userId = manager.GetUserIdByIndex(playerIndex);

				if(manager.IsJointTracked(userId, iJointIndex))

				{

					Vector3 posJointRaw = manager.GetJointKinectPosition(userId, iJointIndex);

					//Vector3 posJoint = manager.GetJointPosColorOverlay(userId, iJointIndex, Camera.main, Camera.main.pixelRect);

					if(posJointRaw != Vector3.zero)

					{

						Vector2 posDepth = manager.MapSpacePointToDepthCoords(posJointRaw);

						ushort depthValue = manager.GetDepthForPixel((int)posDepth.x, (int)posDepth.y);

						if(posDepth != Vector2.zero && depthValue > 0)

						{

							// depth pos to color pos

							Vector2 posColor = manager.MapDepthPointToColorCoords(posDepth, depthValue);

							if(!float.IsInfinity(posColor.x) && !float.IsInfinity(posColor.y))

							{

								// get the color image x-offset and width (use the portrait background, if available)

								float colorWidth = manager.GetColorImageWidth();

								float colorOfsX = 0f;

								PortraitBackground portraitBack = PortraitBackground.Instance;

								if(portraitBack && portraitBack.enabled)

								{

									colorWidth = manager.GetColorImageHeight() * manager.GetColorImageHeight() / manager.GetColorImageWidth();

									colorOfsX = (manager.GetColorImageWidth() - colorWidth) / 2f;

								}

								float xScaled = (posColor.x - colorOfsX) / colorWidth;

								float yScaled = posColor.y / manager.GetColorImageHeight();

								cursorPos = Vector2.Lerp(cursorPos, new Vector2(xScaled, 1f - yScaled), smoothFactor * Time.deltaTime);

							}

						}

					}

				}

			}

		}

	}

	void OnGUI()

	{

		InteractionManager intManager = InteractionManager.Instance;

		Texture texture = null;

		if(intManager && intManager.IsInteractionInited())

		{

			if(isLeftHanded)

			{

				lastHandEvent = intManager.GetLastLeftHandEvent();

				if(lastHandEvent == InteractionManager.HandEventType.Grip)

					texture = gripHandTexture;

				else if(lastHandEvent == InteractionManager.HandEventType.Release)

					texture = releaseHandTexture;

			}

			else

			{

				lastHandEvent = intManager.GetLastRightHandEvent();

				if(lastHandEvent == InteractionManager.HandEventType.Grip)

					texture = gripHandTexture;

				else if(lastHandEvent == InteractionManager.HandEventType.Release)

					texture = releaseHandTexture;

			}

		}

		if(texture == null)

		{

			texture = normalHandTexture;

		}

		if((cursorPos != Vector2.zero) && (texture != null))

		{

			//handCursor.transform.position = cursorScreenPos; // Vector3.Lerp(handCursor.transform.position, cursorScreenPos, 3 * Time.deltaTime);

			Rect rectTexture = new Rect(cursorPos.x * Screen.width - texture.width / 2, (1f - cursorPos.y) * Screen.height - texture.height / 2, 

			                            texture.width, texture.height);

			GUI.DrawTexture(rectTexture, texture);

		}

	}

}