// Use like this:
// Zebra2Preset.EnvelopeTimeBase timebase = Zebra2Preset.EnvelopeTimeBase.TIMEBASE_1_4;
// double envValue = 0.0;
// Zebra2Preset.MillisecondsToEnvTypeAndValue(msValue, out timebase, out envValue);
public static void MillisecondsToEnvTypeAndValue(float msValue, out EnvelopeTimeBase timeBase, out double envValue)
{
// round to nearest 5
int timeInMs = MathUtils.RoundToNearestInteger( (int) msValue, 5);
if (timeInMs <= 8000) {
// use 8sX
timeBase = Zebra2Preset.EnvelopeTimeBase.TIMEBASE_8sX;
envValue = MillisecondsToEnvValue(timeInMs, timeBase);
} else if (timeInMs > 8000 && timeInMs <= 16000) {
timeBase = Zebra2Preset.EnvelopeTimeBase.TIMEBASE_16sX;
envValue = MillisecondsToEnvValue(timeInMs, timeBase);
} else {
// Zebra2 cannot use more than 16 seconds
timeBase = Zebra2Preset.EnvelopeTimeBase.TIMEBASE_8sX;
envValue = 0;
}
}
public static double EnvTypeAndValueToMilliseconds(EnvelopeTimeBase timeBase, double envValue)
{
// Forumla: =1000*((B3/50)^3)
double ms = 0;
switch (timeBase) {
case EnvelopeTimeBase.TIMEBASE_8sX:
ms = 1000 * ( Math.Pow(envValue / 50, 3) );
break;
case EnvelopeTimeBase.TIMEBASE_16sX:
ms = 2000 * ( Math.Pow(envValue / 50, 3) );
break;
case EnvelopeTimeBase.TIMEBASE_10s:
ms = envValue * 100;
break;
}
return ms;
}
