public IEnumerable <Color> Execute(IFxContext ctx)
{
var secondsPerCycle = (1.0 / CyclesPerSecond);
var posBase = (ctx.TimeNow.TotalSeconds % secondsPerCycle) / secondsPerCycle * 2;
var posShift = false;
while (true)
{
ColorReal clr = BaseColour;
clr.Saturation = Saturation;
var pos = posBase;
if (posShift)
{
pos = (posBase + 1) % 2;
}
posShift = !posShift;
if (pos > 1)
{
clr.Luminance = LumLow + ((2 - pos) * (LumHigh - LumLow));
}
else
{
clr.Luminance = LumLow + (pos * (LumHigh - LumLow));
}
yield return(clr);
posBase += StridePerPixel;
if (posBase > 2)
{
posBase -= 2;
}
}
}
public Flare(int p_pixel, ColorReal p_colour, double p_step)
{
m_pixel = p_pixel;
m_clr = p_colour;
m_clr.Luminance = 0;
m_asc = true;
m_step = p_step;
}
static void SendCylon()
{
var payload = new byte[150];
cylonpos += cylondir;
if (cylonpos >= 49)
{
cylondir = -1;
}
else
if (cylonpos <= 0)
{
cylondir = 1;
}
cylonclr.Luminance += cylonclrstep;
if (cylonclr.Luminance > 0.5 || cylonclr.Luminance < 0.01)
{
cylonclrstep = 0 - cylonclrstep;
}
ColorReal overbright = new ColorReal(cylonclr);
overbright.Luminance += 0.3;
Color clr = cylonclr;
int ordinal = cylonpos * 3;
if (ordinal > 0)
{
payload[ordinal - 3 + 0] = clr.B;
payload[ordinal - 3 + 1] = clr.R;
payload[ordinal - 3 + 2] = clr.G;
}
if (ordinal <= 144)
{
payload[ordinal + 3 + 0] = clr.B;
payload[ordinal + 3 + 1] = clr.R;
payload[ordinal + 3 + 2] = clr.G;
}
clr = overbright;
payload[ordinal + 0] = clr.B;
payload[ordinal + 1] = clr.R;
payload[ordinal + 2] = clr.G;
Send(payload);
}
public IEnumerable <Color> Execute(IFxContext ctx)
{
ColorReal rc = Color.Red; // any RGB primary color will do as a seed
double hueStridePerPixel = 1.0 / HueCyclePixelLength;
if (ctx.TimeLength.TotalSeconds > 0.0)
{
rc.Hue = ctx.TimeNow.TotalSeconds / ctx.TimeLength.TotalSeconds;
}
else
{
rc.Hue = (ctx.TimeNow.TotalSeconds % HueSecondsPerCycle) / HueSecondsPerCycle;
}
while (true)
{
yield return(rc);
rc.Hue -= hueStridePerPixel;
}
}
