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Merge pull request #71932 from raulsntos/dotnet/lin2db-to-math 

C#: Move `LinearToDb` and `DbToLinear` to Mathf
4.0
Rémi Verschelde 2023-01-24 09:54:32 +07:00
parent 06c930caf1 b29193945d
commit a17e0a0250
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GPG Key ID: C3336907360768E1
2 changed files with 31 additions and 31 deletions
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31
modules/mono/glue/GodotSharp/GodotSharp/Core/GD.cs
Unescape Escape View File

@ -49,17 +49,6 @@ namespace Godot
return Variant.CreateTakingOwnershipOfDisposableValue(ret);
}
/// <summary>
/// Converts from decibels to linear energy (audio).
/// </summary>
/// <seealso cref="LinearToDb(real_t)"/>
/// <param name="db">Decibels to convert.</param>
/// <returns>Audio volume as linear energy.</returns>
public static real_t DbToLinear(real_t db)
{
return (real_t)Math.Exp(db * 0.11512925464970228420089957273422);
}
private static string[] GetPrintParams(object[] parameters)
{
if (parameters == null)
@ -111,26 +100,6 @@ namespace Godot
return InteropUtils.UnmanagedGetManaged(NativeFuncs.godotsharp_instance_from_id(instanceId));
}
/// <summary>
/// Converts from linear energy to decibels (audio).
/// This can be used to implement volume sliders that behave as expected (since volume isn't linear).
/// </summary>
/// <seealso cref="DbToLinear(real_t)"/>
/// <example>
/// <code>
/// // "slider" refers to a node that inherits Range such as HSlider or VSlider.
/// // Its range must be configured to go from 0 to 1.
/// // Change the bus name if you'd like to change the volume of a specific bus only.
/// AudioServer.SetBusVolumeDb(AudioServer.GetBusIndex("Master"), GD.LinearToDb(slider.value));
/// </code>
/// </example>
/// <param name="linear">The linear energy to convert.</param>
/// <returns>Audio as decibels.</returns>
public static real_t LinearToDb(real_t linear)
{
return (real_t)(Math.Log(linear) * 8.6858896380650365530225783783321);
}
/// <summary>
/// Loads a resource from the filesystem located at <paramref name="path"/>.
/// The resource is loaded on the method call (unless it's referenced already

31
modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs
Unescape Escape View File

@ -323,6 +323,17 @@ namespace Godot
return d;
}
/// <summary>
/// Converts from decibels to linear energy (audio).
/// </summary>
/// <seealso cref="LinearToDb(real_t)"/>
/// <param name="db">Decibels to convert.</param>
/// <returns>Audio volume as linear energy.</returns>
public static real_t DbToLinear(real_t db)
{
return (real_t)Math.Exp(db * 0.11512925464970228420089957273422);
}
/// <summary>
/// Converts an angle expressed in degrees to radians.
/// </summary>
@ -514,6 +525,26 @@ namespace Godot
return from + (distance * weight);
}
/// <summary>
/// Converts from linear energy to decibels (audio).
/// This can be used to implement volume sliders that behave as expected (since volume isn't linear).
/// </summary>
/// <seealso cref="DbToLinear(real_t)"/>
/// <example>
/// <code>
/// // "slider" refers to a node that inherits Range such as HSlider or VSlider.
/// // Its range must be configured to go from 0 to 1.
/// // Change the bus name if you'd like to change the volume of a specific bus only.
/// AudioServer.SetBusVolumeDb(AudioServer.GetBusIndex("Master"), GD.LinearToDb(slider.value));
/// </code>
/// </example>
/// <param name="linear">The linear energy to convert.</param>
/// <returns>Audio as decibels.</returns>
public static real_t LinearToDb(real_t linear)
{
return (real_t)(Math.Log(linear) * 8.6858896380650365530225783783321);
}
/// <summary>
/// Natural logarithm. The amount of time needed to reach a certain level of continuous growth.
///