# luminosity var (atom)

Source: https://ref.dm-lang.org/atom/var/luminosity

### Default value
- 0
- 1 (areas)


This sets the object's luminosity (how far it casts light). It must be an integer in the range 0 to 6.

Areas are a little different. Any non-zero value in an area results in all objects within the area being bathed in light.