private bool CameraHasDefaultOrientation()
{
var defaultData = new CameraData();
var cam = ((HelixWatch3DViewModel)ViewModel.BackgroundPreviewViewModel).Camera;
return cam.Position == defaultData.EyePosition &&
cam.LookDirection == defaultData.LookDirection &&
cam.UpDirection == defaultData.UpDirection;
}
/// <summary>
/// Create a CameraData object from an XmlNode representing the Camera's serialized
/// position data.
/// </summary>
/// <param name="cameraNode">The XmlNode containing the camera position data.</param>
/// <returns></returns>
public CameraData DeserializeCamera(XmlNode cameraNode)
{
if (cameraNode.Attributes == null || cameraNode.Attributes.Count == 0)
{
return new CameraData();
}
try
{
var name = cameraNode.Attributes["Name"].Value;
var ex = float.Parse(cameraNode.Attributes["eyeX"].Value, CultureInfo.InvariantCulture);
var ey = float.Parse(cameraNode.Attributes["eyeY"].Value, CultureInfo.InvariantCulture);
var ez = float.Parse(cameraNode.Attributes["eyeZ"].Value, CultureInfo.InvariantCulture);
var lx = float.Parse(cameraNode.Attributes["lookX"].Value, CultureInfo.InvariantCulture);
var ly = float.Parse(cameraNode.Attributes["lookY"].Value, CultureInfo.InvariantCulture);
var lz = float.Parse(cameraNode.Attributes["lookZ"].Value, CultureInfo.InvariantCulture);
var ux = float.Parse(cameraNode.Attributes["upX"].Value, CultureInfo.InvariantCulture);
var uy = float.Parse(cameraNode.Attributes["upY"].Value, CultureInfo.InvariantCulture);
var uz = float.Parse(cameraNode.Attributes["upZ"].Value, CultureInfo.InvariantCulture);
var camData = new CameraData
{
Name = name,
EyePosition = new Point3D(ex, ey, ez),
LookDirection = new Vector3D(lx, ly, lz),
UpDirection = new Vector3D(ux, uy, uz)
};
return camData;
}
catch (Exception ex)
{
logger.LogError(Properties.Resources.CameraDataLoadError);
logger.Log(ex);
}
return new CameraData();
}
public void SetCameraData(CameraData data)
{
Camera.LookDirection = data.LookDirection;
Camera.Position = data.EyePosition;
Camera.UpDirection = data.UpDirection;
Camera.NearPlaneDistance = data.NearPlaneDistance;
Camera.FarPlaneDistance = data.FarPlaneDistance;
}
public static CameraData ToCameraData(this PerspectiveCamera camera, string name)
{
var camData = new CameraData
{
Name = name,
LookDirection = camera.LookDirection,
EyePosition = camera.Position,
UpDirection = camera.UpDirection,
NearPlaneDistance = camera.NearPlaneDistance,
FarPlaneDistance = camera.FarPlaneDistance
};
return camData;
}