# FOG_EXP2

Variable · category: Graphics

Source: https://github.com/playcanvas/engine/blob/dfcc50fbbfba2388843041a875ec0ef5d1a586c5/src/scene/constants.js#L126

Fog rises according to an exponential curve controlled by a density value.

```ts
const FOG_EXP2: "exp2" = 'exp2'
```