https://learn.microsoft.com/ja-jp/dotnet/api/system.double.positiveinfinity?view=netframework-4.8.1&viewFallbackFrom=net-10.0
Double.PositiveInfinity Field (System) | Microsoft Learn
Represents positive infinity. This field is constant.
field systemdoublemicrosoftlearn
https://docs.unity3d.com/ScriptReference/Vector3-positiveInfinity.html
Unity - Scripting API: Vector3.positiveInfinity
scripting apiunity