What is the exact formula for non-volumetric fog in godot?

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1

Godot Version

4.2.2

Question

In the description for the fog density parameter, it says it uses some kind of exponential function to calculate the fog, but what exactly is that? I want to replicate the standard godot fog in a shader, so i need an exact formula that determines the fog opacity based on the distance from the camera and the density parameter.

2

nevermind i managed to find the formula, it’s 1.0 - 1.0 / exp(dist * density)

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