AutoMass

AutoMass – Accurate Mass from Volume & Density

AutoMass is a lightweight Unity editor extension that automatically calculates Rigidbody mass based on your GameObject’s volume and material density. Perfect for physics-based games, simulations, or any project where realistic mass matters.

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Features

• Volume-based mass calculation using voxel approximation

• Built-in density presets (wood, steel, gold, etc.) or custom values

• Right-click context menu: “Add AutoMass”

• One-click aggregation and mass assignment to Rigidbody

• Customizable voxel size and density list

• No runtime overhead – editor-only tool

• Extremely fast, hardware-accelerated algorithm

• Full C# source code included

Use Cases

• Physics-based gameplay and puzzles

• Accurate Rigidbody setups in engineering or training simulations

• Educational projects or procedural level design

• Quick prototyping with physically meaningful mass

What’s Included

• Editor tools and inspectors

• AutoMass MonoBehaviour and context menu integration

• Settings window for voxel and density presets

• Lightweight, dependency-free codebase