In fact, it is not like the film and moving the camera is similar to the place, but, with the film is a movement of the follower movement along the axis of the lens, it is relatively fixed picture.

Typically, up and down mouse movements translate into movement along one axis , whereas 45-degree-angle drags are used for each of the other two axes.

Spatial Angle brace is a kind of brace that the movement direction of supporting end is different from the direction of major elastic axis.