Demonstration example does have a built-in help system. Just 5 minute tour – no boring documentation reading!
How to start?
Add a ShadowTransform component to your object:
Press «+» in object properties area to saveobject’s state – its position, rotation and scale:
Now, when you want to return to an old state, you may press a «<<» / «>>» button, or select state by name from states list:
There are two states saved for this bridge — first (at the top) will make this level pretty hardcore, and second (at the bottom) will make it easier. States could be changed by one click.