I have this camera just "waveing" due to an s-shake (Built-In Function modifier for the rotation keyframing), and I need to use the motion of the camera to rotate and blur an image like a post processed motion Blur. I tried to use the vector Pass while rendering but this only works if there is an object moving in the scene. I don't want just to import the image as a plane and render with motion blur cause this won't be practical if you have muliple scenes. Basically something like this:
a pass that can tell the compositor in which direction the motion happens.
Is there any way of doing this?