A Method of Rotation Transformation for 3D Object by Changing Camera Attributes in WPF

The new GUI engine WPF(Windows Presentation Foundation) from Microsoft provides a uniform interface technology for different applications. The commonly used rotation transformation method for 3D object is RotateTransform3D. This method needs to calculate the state of camera carefully, otherwise, the 3D object may move anomaly on the screen. To solve this kind of problem, another method is brought forward in the paper, which performs the rotation transformation by calculating and changing the attributes (Position, LookDirection, UpDirection) of camera directly. The method can exhibit the rotation of 3D object distortion-freely, without the anomal movement on the screen. The calculation and the program of the method is simple.