private double InterpolateVibrato(UVibrato vibrato, double posMs, double lengthMs, UProject project)
{
var inMs = lengthMs * vibrato.@in / 100;
var outMs = lengthMs * vibrato.@out / 100;
var value = -Math.Sin(2 * Math.PI * (posMs / vibrato.period + vibrato.shift / 100)) * vibrato.depth;
if (posMs < inMs)
{
value *= posMs / inMs;
}
else if (posMs > lengthMs - outMs)
{
value *= (lengthMs - posMs) / outMs;
}
return(value);
}
public VibratoHitInfo HitTestVibrato(Point mousePos)
{
VibratoHitInfo result = default;
result.point = mousePos;
foreach (var note in midiVM.Part.notes)
{
result.note = note;
UVibrato vibrato = note.vibrato;
Point toggle = midiVM.TickToneToCanvas(vibrato.GetToggle(note));
toggle.X -= 10;
if (WithIn(toggle, mousePos, 5))
{
result.hit = true;
result.hitToggle = true;
return(result);
}
if (vibrato.length == 0)
{
continue;
}
Point start = midiVM.TickToneToCanvas(vibrato.GetEnvelopeStart(note));
Point fadeIn = midiVM.TickToneToCanvas(vibrato.GetEnvelopeFadeIn(note));
Point fadeOut = midiVM.TickToneToCanvas(vibrato.GetEnvelopeFadeOut(note));
if (WithIn(start, mousePos, 3))
{
result.hit = true;
result.hitStart = true;
}
else if (WithIn(fadeIn, mousePos, 3))
{
result.hit = true;
result.hitIn = true;
}
else if (WithIn(fadeOut, mousePos, 3))
{
result.hit = true;
result.hitOut = true;
}
else if (Math.Abs(fadeIn.Y - mousePos.Y) < 3 && fadeIn.X < mousePos.X && mousePos.X < fadeOut.X)
{
result.hit = true;
result.hitDepth = true;
}
vibrato.GetPeriodStartEnd(note, DocManager.Inst.Project, out var periodStartPos, out var periodEndPos);
Point periodStart = midiVM.TickToneToCanvas(periodStartPos);
Point periodEnd = midiVM.TickToneToCanvas(periodEndPos);
if (Math.Abs(mousePos.Y - periodEnd.Y) < midiVM.TrackHeight / 6)
{
if (Math.Abs(mousePos.X - periodEnd.X) < 3)
{
result.hit = true;
result.hitPeriod = true;
}
else if (mousePos.X > periodStart.X && mousePos.X < periodEnd.X)
{
result.hit = true;
result.hitShift = true;
result.initialShift = vibrato.shift;
}
}
if (result.hit)
{
return(result);
}
}
return(default);
