투명디스플레이 연구사업

using UnityEngine;

using System.Collections;

public class MousePointOverlayer : MonoBehaviour 

{

	[Tooltip("Whether to wait for mouse click or not.")]

	public bool waitForClick = true;

	[Tooltip("Game object used to overlay the mouse pointed position.")]

	public Transform overlayObject;

	[Tooltip("Camera that may be used to overlay the mesh over the color background.")]

	public Camera foregroundCamera;

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

	public GUIText infoText;

	// reference to the singleton instance of KM

	private KinectManager kinectManager;

	// sensor color-image width & height

	private int colorWidth = 0;

	private int colorHeight = 0;

	// last mouse position

	private Vector2 lastMousePos;

	// screen rectangle

	private Rect backgroundRect;

	void Start () 

	{

		// by default set the main camera as foreground-camera

		if (foregroundCamera == null) 

		{

			foregroundCamera = Camera.main;

		}

		// get the singleton instance of KM

		kinectManager = KinectManager.Instance;

		// get color-image resolution

		if (kinectManager && kinectManager.IsInitialized()) 

		{

			colorWidth = kinectManager.GetColorImageWidth();

			colorHeight = kinectManager.GetColorImageHeight();

		}

		// estimate the background rectangle

		backgroundRect = foregroundCamera ? foregroundCamera.pixelRect : new Rect(0, 0, Screen.width, Screen.height);

	}

	void Update () 

	{

		// get mouse button state and position

		bool bMouseClicked = waitForClick ? Input.GetMouseButtonDown(0) : true;

		Vector2 mousePos = Input.mousePosition;

		if (kinectManager && kinectManager.IsInitialized() && overlayObject &&

			bMouseClicked && mousePos.x >= 0 && mousePos.y >= 0 && mousePos.x < Screen.width && mousePos.y < Screen.height

			&& mousePos != lastMousePos) 

		{

			lastMousePos = mousePos;

			// screen position

			Vector2 screenPos = mousePos;

			// update the background rectangle with the portrait background, if available

			PortraitBackground portraitBack = PortraitBackground.Instance;

			if(portraitBack && portraitBack.enabled)

			{

				backgroundRect = portraitBack.GetBackgroundRect();

			}

			// convert to color image rectangle

			float colorX = (screenPos.x - backgroundRect.x) * (float)colorWidth / backgroundRect.width;

			float colorY = (backgroundRect.y + (backgroundRect.height - screenPos.y)) * (float)colorHeight / backgroundRect.height;

			Vector2 colorPos = new Vector2(colorX, colorY);

			// get the respective depth image pos

			Vector2 depthPos = kinectManager.MapColorPointToDepthCoords(colorPos, true);

			if (depthPos != Vector2.zero) 

			{

				// get the depth in mm

				ushort depthValue = kinectManager.GetDepthForPixel((int)depthPos.x, (int)depthPos.y);

				// get the space position in world coordinates

				Vector3 worldPos = foregroundCamera ? foregroundCamera.ScreenToWorldPoint(new Vector3(screenPos.x, screenPos.y, (float)depthValue / 1000f)) :

					kinectManager.MapDepthPointToSpaceCoords(depthPos, depthValue, true);

				// set the overlay object's position

				if (!float.IsNaN(worldPos.x) && !float.IsNaN(worldPos.y) && !float.IsNaN(worldPos.z)) 

				{

					overlayObject.position = worldPos;

					if (infoText) 

					{

						infoText.text = string.Format("Pos: ({0:F2}, {1:F2}, {2:F2})", worldPos.x, worldPos.y, worldPos.z);

					}

				}

			}

		}

	}

}