public static float LerpUnclamped(float a, float b, float t)
{
a = Mathf.Repeat(a, 1f);
b = Mathf.Repeat(b, 1f);
float delta = Mathf.Abs(b - a);
if (delta < 0.5f)
{
return(Math.LerpUnclamped(a, b, t));
}
else if (delta > 0.5f)
{
if (a < b)
{
return(Mathf.Repeat(Math.LerpUnclamped(a + 1f, b, t), 1f));
}
else
{
return(Mathf.Repeat(Math.LerpUnclamped(a, b + 1f, t), 1f));
}
}
else
{
if (a < b)
{
return(Math.LerpUnclamped(a, b, t));
}
else
{
return(Mathf.Repeat(Math.LerpUnclamped(a, b + 1f, t), 1f));
}
}
}
/// <summary>
/// Performs a linear interpolation between the two colors specified for each color channel independently.
/// </summary>
/// <param name="a">The first color to be interpolated between, corresponding to a <paramref name="t"/> value of 0.</param>
/// <param name="b">The second color to be interpolated between, corresponding to a <paramref name="t"/> value of 1.</param>
/// <param name="t">The parameter specifying how much each color is weighted by the interpolation. Typically within the range [0, 1], but does not need to be, and will not be clamped.</param>
/// <returns>A new color that is the result of the linear interpolation between the two original colors.</returns>
/// <remarks>
/// <para>When specifying a <paramref name="t"/> value outside the range [0, 1], the resulting color may no longer be
/// within the valid range of the color space, even if the two original colors are within the valid range.</para>
/// </remarks>
/// <seealso cref="Lerp(ColorCMY, ColorCMY, float)"/>
public static ColorCMY LerpUnclamped(ColorCMY a, ColorCMY b, float t)
{
return(new ColorCMY(
Math.LerpUnclamped(a.c, b.c, t),
Math.LerpUnclamped(a.m, b.m, t),
Math.LerpUnclamped(a.y, b.y, t),
Math.LerpUnclamped(a.a, b.a, t)));
}
public static float LerpBackwardUnclamped(float a, float b, float t)
{
a = Mathf.Repeat(a, 1f);
b = Mathf.Repeat(b, 1f);
if (a >= b)
{
return(Math.LerpUnclamped(a, b, t));
}
else
{
return(Mathf.Repeat(Math.LerpUnclamped(a + 1f, b, t), 1f));
}
}