8. Inverse Scale Factor - QodotPlugin/qodot-plugin GitHub Wiki

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The Inverse Scale Factor setting on the QodotMap node determines the mapping between Quake units - used in TrenchBroom and other editors - to Godot's metric coordinate system. All coordinates are divided by this value during build.

Having a well-defined mapping from Quake units to the ones used by your game is important - it can make it easier to reason about the layout of your maps, and having your object scale translate properly to the equivalent real-world measurement will result in more accurate physics simulation.

As the metric used by map files varies game-by-game, this setting is dependent on your assets, game logic and physics simulation, and will have to be decided on a case-by-case basis. The table below lists some common examples, as well as reasoning for their usage.

Name	Inverse Scale Factor	1qu	2qu	4qu	8qu	16qu	Notes
.map Passthrough	1	1	2	4	8	16	1:1 with map file, Godot grid corresponds to TrenchBroom grid. Will result in very large geometry by Godot standards.
Qodot Default	16	0.0625	0.125	0.25	0.5	1.0	'Best effort' mapping from Quake 1 environments to metric.
Uradamus	40	0.025	0.05	0.1	0.2	0.4	Artist-friendly setting with tidy fractional numbers.
Valve Environment	52.49343832021	0.01905	0.0381	0.0762	0.1524	0.3048	Half Life 1/2 environment metric.