/// <summary>
/// Called when the window finishes intializing. Registers the camera.
/// </summary>
private void Awake()
{
if (!CameraDataNode.GUIcam)
{
CameraDataNode.CreateGUICam(); //when the window is opened, make sure there's a camera
}
}
/// <summary>
/// A callback function that draws the contents of a custom GUI window.
/// </summary>
/// <param name="id">The ID # of the window being drawn</param>
void DrawSceneViewerWindow(int id)
{
CameraDataNode.CreateGUICam();
//draw the camera's view (offsets compensate for window name bar and border)
Handles.DrawCamera(new Rect(0, 16, camWindowRect.width - 1, camWindowRect.height - 17), CameraDataNode.GUIcam.GetComponent <Camera>(), DrawCameraMode.Normal);
GUI.DragWindow();//allows the window to be dragged around the scene view.
}
/// <summary>
/// Called every frame to draw GUI elements. Draws the camera view in the window.
/// </summary>
private void OnGUI()
{
if (!CameraDataNode.GUIcam)
{
CameraDataNode.CreateGUICam(); //instantiate a GUI-use camera if one isn't in use.
}
Rect camRect = new Rect(0, 0, Screen.width, Screen.height); //use the size of the window, can be dynamically resized.
Handles.DrawCamera(camRect, CameraDataNode.GUIcam.GetComponent <Camera>());
Repaint();//manually repaints the window
}