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.b == 0)
{
h = b.h;
s = b.s;
}
else if (b.b == 0)
{
h = a.h;
s = a.s;
}
else
{
if (a.s == 0)
{
h = b.h;
}
else if (b.s == 0)
{
h = a.h;
}
else
{
// works around with LerpAngle
float angle = Mathf.LerpAngle(a.h * 360f, b.h * 360f, t);
while (angle < 0f)
{
angle += 360f;
}
while (angle > 360f)
{
angle -= 360f;
}
h = angle / 360f;
}
s = Mathf.Lerp(a.s, b.s, t);
}
return(new HSBColor(h, s, Mathf.Lerp(a.b, b.b, t), Mathf.Lerp(a.a, b.a, t)));
}