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-rw-r--r--modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs25
1 files changed, 22 insertions, 3 deletions
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs
index ce213da6a7..2b820070d6 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs
@@ -276,10 +276,14 @@ 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);
@@ -516,6 +520,21 @@ namespace Godot
}
/// <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.
/// </summary>