# Sandbox.LightModulator.DistanceMipBias

```csharp
float DistanceMipBias { get; set; }
```

Softens transmission as light travels from the glass to the receiving surface or fog sample.
Adds this many mip levels at 128 world units, twice as many at 384 units. Zero disables distance softening.

Declared in [Sandbox.LightModulator](/api/Sandbox.LightModulator).
Assembly: `Sandbox.Engine`.