The barrier expands as the player takes damage. (READ THIS!)

How to install?

1. Download the datapack .zip file.
2. Create new world and click More/Data Packs
3. Click Open Pack Folder and place the downloaded .zip file into opened folder.
4. Create your world.
5. Run /trigger start in chat to activate the border.
6. You’re done! The datapack is now installed and ready to use.

Functions

• After starting a game, the world border is set to 1x1 block, centered on the player’s spawn point.
• Every time the player takes damage, the datapack checks the lost health and increases the border size.
• Expansion ratio: 1 HP (half a heart) = +0.5 block to the world border.
• The border always grows evenly in all directions from its center.
• Don't worry about the datapack incompatibility message, because it has been tested on all versions listed in the version file.