Action version of Unity's Smooth Follow script. This is often used to make a camera follow a target.
Game Object
The game object to control. E.g. The camera.
Target Object
The GameObject to follow.
Distance
The distance in the x-z plane to the target.
Height
The height we want the camera to be above the target
Height Damping
How much to dampen height movement.
Rotation Damping
How much to dampen rotation changes.
