You can find all example in "Scenes/Examples",All function calls provide corresponding cases in “ExampleMenu.cs”.I have used this script for more than 6 years,Now, Now I have made corresponding optimization to make it easier to use. I hope it can help you!

You can control with:

Mouse left button : rotate;

Mouse right button/Mouse ScrollWheel : change focus distance;

Keyboard W,S,A,D,Q,E:Rotate and change focus distance;

UI Control : Rotate and change focus distance;

Script Control : Control all types of speed, limit operation, focus distance, etc.

Basic animation related to focus Camera:

Switch Focus Object : switch smoothly with the track of Bezier curve(like Figure ①);

Slow Rocking : Camera will rocking between two euler;

Revolves round object: Camera will revolves round object;

Additional functions:

Automatic calculation of object boundary to get Objects distance and Center.