// 由于摄像机动态加载的时候名字会改变，所以需要重新设置ui需要的摄像机 [1/12/2012 Ivan]
void Start()
{
Camera uiCamera = null;
foreach (Camera camera in Camera.allCameras)
{
if (camera.cullingMask == LayerManager.UIMask)
{
uiCamera = camera;
break;
}
}
if (!uiCamera)
{
return;
}
GameObject goUi = GameObject.Find("UIManager");
if (goUi != null)
{
UIManager uiManager = goUi.GetComponent <UIManager>();
uiManager.rayCamera = uiCamera;
EZCameraSettings[] ezCamera = new EZCameraSettings[1];
ezCamera[0] = new EZCameraSettings();
ezCamera[0].camera = uiCamera;
ezCamera[0].mask = 1 << 10;
uiManager.uiCameras = ezCamera;
}
CEventSystem.Instance.RegisterEventHandle(GAME_EVENT_ID.GE_APPLICATION_INITED, OnUIStart);
}
/// <summary>
/// Gets the screen position of a particular UI object whose transformation is given.
/// </summary>
/// <param name="trans">The transformation of the UI object to locate</param>
/// <returns>The screen position of the UI object</returns>
public static Vector3 GetPosition(Transform trans)
{
var uiCams = UIManager.instance.uiCameras;
EZCameraSettings uiCam = null;
for (int i = 0; i < uiCams.Length; i++)
{
if ((uiCams[i].mask & (1 << trans.gameObject.layer)) != 0)
{
uiCam = uiCams[i];
break;
}
}
Vector3 screenPos = uiCam.camera.WorldToScreenPoint(trans.position);
screenPos.y = Screen.height - screenPos.y;
return(screenPos);
}
/// <summary>
/// Adds the specified camera to the UI Cameras list at the specified index.
/// </summary>
/// <param name="cam">The camera to be added.</param>
/// <param name="mask">The layer mask for the camera.</param>
/// <param name="depth">The depth into the scene the pointer should reach.</param>
/// <param name="index">The index in the list where the camera should be added.
/// Note that cameras higher on the list (at a lower index value) process input before
/// cameras later in the list.</param>
public void AddCamera(Camera cam, LayerMask mask, float depth, int index)
{
EZCameraSettings[] cams = new EZCameraSettings[uiCameras.Length + 1];
// Keep the index in a valid range:
index = Mathf.Clamp(index, 0, uiCameras.Length + 1);
for (int i = 0, src = 0; i < uiCameras.Length; ++i, ++src)
{
if (i == index)
{
cams[i] = new EZCameraSettings();
cams[i].camera = cam;
cams[i].mask = mask;
cams[i].rayDepth = depth;
++src;
}
else
cams[i] = uiCameras[src];
}
uiCameras = cams;
SetupPointers();
}
/// <summary>
/// Removes the camera at the specified index from the UI Cameras
/// array.
/// </summary>
/// <param name="index">The index of the camera that should be removed.</param>
public void RemoveCamera(int index)
{
EZCameraSettings[] cams = new EZCameraSettings[uiCameras.Length - 1];
// Keep the index in a valid range:
index = Mathf.Clamp(index, 0, uiCameras.Length);
for (int i = 0, src = 0; i < uiCameras.Length; ++i, ++src)
{
if (i == index)
{
// Skip this one
++src;
}
else
cams[i] = uiCameras[src];
}
uiCameras = cams;
SetupPointers();
}
/// <summary>
/// Removes the camera at the specified index from the UI Cameras
/// array.
/// </summary>
/// <param name="index">The index of the camera that should be removed.</param>
public void RemoveCamera(int index)
{
EZCameraSettings[] cams = new EZCameraSettings[uiCameras.Length - 1];
// Keep the index in a valid range:
index = Mathf.Clamp(index, 0, uiCameras.Length);
for (int dst = 0, src = 0; src < uiCameras.Length; src++)
{
if (src != index)
{
cams[dst] = uiCameras[src];
dst++;
}
}
uiCameras = cams;
SetupPointers();
}
