NOTE: The latest version of Lumi is available on the Unity Asset Store

This repository is no longer updated.

Lumi

Lumi is a Unity Engine light detector, created to facilitate stealth and horror genre games.

Tested to work with URP and linear colour space.

Features

• Supports Directional, Point, and Spot realtime lights.
• Baked light support via light probes and lightmaps.
• Accounts for perceived brightness from coloured lights.
• Runs in editor for quick iteration.
• Multiple sample points per detector.
• Two sample point evaluation modes - Average and Max.

Limitations

• When Baked Light Sample Mode is set to Lightmap, following apply:
  • The lightmap textures must be set to read/write enabled.
  • Lightmap should be in HDR (High Quality). See Lightmap data format for more information.
• Since realtime lights use ray casting, shadow caster mesh colliders need to be accurate.
• Does not account for soft shadow edges - a sample point is either in shadow or not.
• Cannot account for screen space Global Illumination solutions.