public void MovingView(object sender, RoutedEventArgs e)
{
_origCameraBeforeMovingView = Camera;
var newCamera = _origCameraBeforeMovingView.Clone();
#region set new camera animation
Viewport.Camera = newCamera;
const int duration = 3;
var currentPosition = newCamera.Position;
var nextPosition = new Point3D {
X = currentPosition.X, Y = currentPosition.Y + 5, Z = currentPosition.Z
};
var positionAnimation = new Point3DAnimation(currentPosition, nextPosition, TimeSpan.FromSeconds(duration));
positionAnimation.Completed += PositionAnimationCompleted;
var currentLookDirection = new Vector3D(0, -5, -1);
var nextLookDirection = new Vector3D(-nextPosition.X, -nextPosition.Y, -nextPosition.Z);
var lookAnimation = new Vector3DAnimation(currentLookDirection, nextLookDirection, TimeSpan.FromMilliseconds(duration));
var transform3DGroup = new Transform3DGroup();
var rotateTransform3D1 = new RotateTransform3D();
var axisAngleRotation3D1 = new AxisAngleRotation3D(new Vector3D(0, 1, 0), 0.0);
rotateTransform3D1.Rotation = axisAngleRotation3D1;
transform3DGroup.Children.Add(rotateTransform3D1);
newCamera.Transform = transform3DGroup;
var tl = new DoubleAnimation(360, TimeSpan.FromSeconds(duration));
axisAngleRotation3D1.BeginAnimation(AxisAngleRotation3D.AngleProperty, tl);
newCamera.BeginAnimation(PerspectiveCamera.PositionProperty, positionAnimation);
newCamera.BeginAnimation(PerspectiveCamera.LookDirectionProperty, lookAnimation);
#endregion
}
