Cinematron

It is a simple command tool that is capable of creating a movie as you build, or create beautiful landscapes around your world.

Cinematron is an add-on that will allow you to shoot cinematic video showing off your build. The inspiration for it was the Replay Mod, which is available on the Java Edition.

Features:

• Dynamic and stationary focus points;
  Adjustable playback speed;
  Multiplayer compatibility;
  An easy way to add glasses for the camera to follow;
  Smooth camera movements.

When you add a new point to the path, a pop-up stand will appear to visualize where the point is. Please note that this addon uses the player as a camera, if you want to record yourself, you will need a second player.The commands are quite easy to use, you will get used to using the addon frequently. They are also provided with error messages.
To read the documentation, just write the code

/function CThelp

Watch a detailed video on using the addon