Describe an Alice event of the BDE format that will make a ballerina jump up when a key is pressed, spin around for as long as the key is held down, and return to the ground when the user lets go of the key.

Individual keyboard events can be created to control the camera. As such, do the following:

a. Describe a set of two keyboard events to allow the user to pan the camera.

b. Describe a set of two keyboard events to allow the user to tilt the camera.

c. Describe a set of two keyboard events to allow the user to zoom the camera in and out.