public async Task FadeRainbow768(uint fadeTime = 20000, float brightness = 1)
{
isFaidingRainbow = true;
brightness = MathUtils.Clamp(brightness, 0f, 1f);
//get current hue
uint currentHue;
float currentBrightness;
RGBColors.ConvertRGBToHue768(r, g, b, out currentHue, out currentBrightness);
uint delay = fadeTime / 768;
uint stepFadeTime = delay;
for (uint i = 0; i < 768; i++)
{
if (!isFaidingRainbow)
{
return;
}
uint hue = currentHue + i;
if (hue >= 768)
{
hue -= 768;
}
FadeHue768(hue, brightness, stepFadeTime);
await Task.Delay(TimeSpan.FromMilliseconds(delay));
}
}
//return fade duration (ms)
public uint FadeToClosestHue768(uint maxFadeTime = 2000, float brightness = 1)
{
uint currentHue;
float currentBrightness;
RGBColors.ConvertRGBToHue768(r, g, b, out currentHue, out currentBrightness);
uint transientTime = 0;
if (currentBrightness != brightness)
{
float brightDiff = Math.Abs(currentBrightness - brightness);
transientTime = (uint)(brightDiff * maxFadeTime);
}
uint minColor = Math.Min(r, Math.Min(g, b));
if (minColor != 0)
{
uint transientTime2 = (uint)((float)minColor / 255 * maxFadeTime);
if (transientTime2 > transientTime)
{
transientTime = transientTime2;
}
}
if (transientTime != 0)
{
FadeHue768(currentHue, brightness, transientTime);
}
return(transientTime);
}