/// <summary>
/// Lerps between 2 HSBColors over value t.
/// </summary>
/// <param name="a">The first HSBColor.</param>
/// <param name="b">The second HSBColor.</param>
/// <param name="t">The t value. Closer to 0 will result in a color closer to a, and a value closer to 1 will result in a color closer to b.</param>
/// <returns>The lerped Color.</returns>
public static HSBColor Lerp(HSBColor a, HSBColor b, float t)
{
float h, s;
//check special case black (Color.b==0): interpolate neither hue nor saturation!
//check special case grey (Color.s==0): don't interpolate hue!
if (a.m_B == 0)
{
h = b.m_H;
s = b.m_S;
}
else if (b.m_B == 0)
{
h = a.m_H;
s = a.m_S;
}
else
{
if (a.m_S == 0)
{
h = b.m_H;
}
else if (b.m_S == 0)
{
h = a.m_H;
}
else
{
// works around bug with LerpAngle
float angle = Mathf.LerpAngle(a.m_H * 360f, b.m_H * 360f, t);
while (angle < 0f)
{
angle += 360f;
}
while (angle > 360f)
{
angle -= 360f;
}
h = angle / 360f;
}
s = Mathf.Lerp(a.m_S, b.m_S, t);
}
return(new HSBColor(h, s, Mathf.Lerp(a.m_B, b.m_B, t), Mathf.Lerp(a.m_A, b.m_A, t)));
}
