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# HSV: Hue, Saturation, Value
# H: position in the spectrum
# S: color saturation ("purity")
# V: color brightness
def rgb_to_hsv
(r, g, b):
    maxc = max
(r, g, b)
    minc = min
(r, g, b)
    rangec = (maxc-
minc)
    v =
 maxc
    if minc ==
 maxc:
        return 0.0, 0.0
, v
    s = rangec /
 maxc
    rc = (maxc-r) /
 rangec
    gc = (maxc-g) /
 rangec
    bc = (maxc-b) /
 rangec
    if r ==
 maxc:
        h = bc-
gc
    elif g ==
 maxc:
        h = 2.0+rc-
bc
    else
:
        h = 4.0+gc-
rc
    h = (h/6.0) % 1.0
    return
 h, s, v

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f32 RNG::
random_f32_in_range(f32 minimum_inclusive, f32 maximum_inclusive)
{
        ASSERT(minimum_inclusive <=
 maximum_inclusive);
        if(Math::
is_nearly_equal(minimum_inclusive, maximum_inclusive))
        {
            return
 minimum_inclusive;
        }
        f64 maximum_exclusive = maximum_inclusive +
 min_f32_value;
        f32 result = (f32)fmod((f64)random_f32(), maximum_exclusive -
 minimum_inclusive);
        return result +
 minimum_inclusive;
}