Why does the Inspector UI truncate numbers to 2 decimal places?

Question

Collision Object -> Cylinder Shape -> radius
When I try to enter 0.018 the UI converts it to 0.02
But I am using metric system for gravity, size etc.
I need to define objects at a resolution that is higher than 1cm

What's the logic of truncating values ?
How can I change this ?

Comments

As you can see I can set that value precision beyond 2 decimal points when using the gadgets but not in the Inspector

Answer 1

The property hints are configured on a per-property basis. This is done manually by the engine developers who will try to pick the most "logical" step value (see this discussion on GitHub). As a workaround, you can set the value in a script to avoid snapping to the nearest value allowed by the editor.

There is a Default Float Step property in the Editor Settings, but it only impacts properties that don't specify their own step value. It defaults to 0.001, so it's not being used for the CylinderShape radius here.

Comments

This very point is causing me headaches on exported variables when I use math like:
1/30 or floating point versions of 0.033

It gets rounded to .1 in the inspector, even if I set a step of 0.001.

export(float, 0, 1, 0.001) var sample_rate:float = 1.0/25.0

The -slider- works on the increments but text entry is flawed.

Whoops the minimum value on export was 0.1 in the real case. Pilot error!