Lightning Vector & Bounding Box Visualizations
Minecraft Debug Mod that adds commands to render boxes and vectors.
Screenshots


About this Mod
Minecraft Debug Mod that adds commands to render boxes and vectors.
Commands
/renderbox <string> - Renders a box with the parameters parsed from a string in the format of examples below
/rendervector <string> - Renders a vector with the parameters parsed from a string in the format of examples below
/listboxes - Lists all boxes and their indexes
/listvectors - Lists all vectors and their indexes
/removebox <index> - Removes box at index
/removevector <index> - Removes vector at index
/clearboxes - Removes all boxes
/clearvectors - Clears all vectors
Examples
Rendering a box
/renderbox "SimpleCollisionBox{minX=0.0, minY=5.0, minZ=0.0, maxX=16, maxY=21, maxZ=16, isFullBlock=false}"

Rendering a vector and a box
/renderbox SimpleCollisionBox{minX=-229.75, minY=6.0, minZ=-127.6875, maxX=-229.25, maxY=6.375, maxZ=-127.3125, isFullBlock=false}
/rendervector origin: -229.71166162514788,6.4,-125.36631179014836 direction: 0.0980876340918071,-0.5511781573295593,-0.8286021167303872

Generating Render Strings
The odd input format is because this mod is currently built for a very specific purpose. To quickly render hitboxes and vectors for GrimAC from values copied through the Intellij debugger, as shown below.

More Debug features coming soon!
Available Versions
How to Install Lightning Vector & Bounding Box Visualizations on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.8).
Install Mod
Open the mod browser in the dashboard and search for "Lightning Vector & Bounding Box Visualizations". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.8, 1.21.5, 1.21.4 (+6 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Lightning Vector & Bounding Box Visualizations server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.8). You can switch loaders with one click in the panel.
Is Lightning Vector & Bounding Box Visualizations compatible with fabric?
Lightning Vector & Bounding Box Visualizations officially supports fabric for Minecraft 1.21.8, 1.21.5, 1.21.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Lightning Vector & Bounding Box Visualizations – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Lightning Vector & Bounding Box Visualizations consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Rent Modded Server
Install Lightning Vector & Bounding Box Visualizations with just one click on your server.