Unity Products:Amplify Shader Editor/Delta Time
From Amplify Creations Wiki
Delta Time Node
The Delta Time node outputs not only Unity internal elapsed time between frames in seconds but also a smoother value of it and also the inverted value of each one of them.
|dt||Returns the real time elapsed between frames.||Float|
|1/dt||Returns the inverse value of the real time elapsed between frames.||Float|
|smoothDt||Returns a smooth time elapsed between frames which takes into account and tone down big delta time variations.||Float|
|1/smoothDt||Returns the inverse value of the current smooth delta .||Float|