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Fix Lerp documentation and implement RangeLerp

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(cherry picked from commit ee95a1cb28)
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Paul Joannon 2022-06-16 13:44:50 +02:00 committed by Rémi Verschelde
parent bcd92b8aa0
commit c43b8ccaaf
1 changed files with 22 additions and 3 deletions
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25
modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs
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@ -271,10 +271,14 @@ namespace Godot
/// Returns a normalized value considering the given range.
/// This is the opposite of <see cref="Lerp(real_t, real_t, real_t)"/>.
/// </summary>
/// <param name="from">The interpolated value.</param>
/// <param name="from">The start value for interpolation.</param>
/// <param name="to">The destination value for interpolation.</param>
/// <param name="weight">A value on the range of 0.0 to 1.0, representing the amount of interpolation.</param>
/// <returns>The resulting value of the inverse interpolation.</returns>
/// <param name="weight">The interpolated value.</param>
/// <returns>
/// The resulting value of the inverse interpolation.
/// The returned value will be between 0.0 and 1.0 if <paramref name="weight"/> is
/// between <paramref name="from"/> and <paramref name="to"/> (inclusive).
/// </returns>
public static real_t InverseLerp(real_t from, real_t to, real_t weight)
{
return (weight - from) / (to - from);
@ -524,6 +528,21 @@ namespace Godot
return rad * _rad2DegConst;
}
/// <summary>
/// Maps a <paramref name="value"/> from [<paramref name="inFrom"/>, <paramref name="inTo"/>]
/// to [<paramref name="outFrom"/>, <paramref name="outTo"/>].
/// </summary>
/// <param name="value">The value to map.</param>
/// <param name="inFrom">The start value for the input interpolation.</param>
/// <param name="inTo">The destination value for the input interpolation.</param>
/// <param name="outFrom">The start value for the output interpolation.</param>
/// <param name="outTo">The destination value for the output interpolation.</param>
/// <returns>The resulting mapped value mapped.</returns>
public static real_t RangeLerp(real_t value, real_t inFrom, real_t inTo, real_t outFrom, real_t outTo)
{
return Lerp(outFrom, outTo, InverseLerp(inFrom, inTo, value));
}
/// <summary>
/// Rounds <paramref name="s"/> to the nearest whole number,
/// with halfway cases rounded towards the nearest multiple of two.