private void DrawSlideRibbon(RenderContext context, double now, Note startNote, Note endNote)
{
if (endNote.IsFlick)
{
DrawFlickRibbon(context, now, startNote, endNote);
return;
}
if (startNote.IsSlideEnd || NotesLayerUtils.IsNoteOnStage(startNote, now))
{
DrawHoldRibbon(context, now, startNote, endNote);
return;
}
if (NotesLayerUtils.IsNotePassed(startNote, now))
{
var nextSlideNote = startNote.NextFlickOrSlide;
if (nextSlideNote == null)
{
// Actually, here is an example of invalid format. :)
DrawHoldRibbon(context, now, startNote, endNote);
return;
}
if (NotesLayerUtils.IsNotePassed(nextSlideNote, now))
{
return;
}
var startX = NotesLayerUtils.GetEndXByNotePosition(context.ClientSize, startNote.FinishPosition);
var endX = NotesLayerUtils.GetEndXByNotePosition(context.ClientSize, nextSlideNote.FinishPosition);
var y1 = NotesLayerUtils.GetAvatarYPosition(context.ClientSize);
var x1 = (float)((now - startNote.HitTiming) / (nextSlideNote.HitTiming - startNote.HitTiming)) * (endX - startX) + startX;
float t1 = NotesLayerUtils.GetNoteTransformedTime(now, startNote, clampComing: true, clampPassed: true);
float t2 = NotesLayerUtils.GetNoteTransformedTime(now, endNote, clampComing: true, clampPassed: true);
float tmid = (t1 + t2) * 0.5f;
float x2 = NotesLayerUtils.GetNoteXPosition(context, endNote.FinishPosition, t2);
float xmid = NotesLayerUtils.GetNoteXPosition(context, endNote.FinishPosition, tmid);
float y2 = NotesLayerUtils.GetNoteYPosition(context, t2);
float ymid = NotesLayerUtils.GetNoteYPosition(context, tmid);
NotesLayerUtils.GetBezierFromQuadratic(x1, xmid, x2, out float xcontrol1, out float xcontrol2);
NotesLayerUtils.GetBezierFromQuadratic(y1, ymid, y2, out float ycontrol1, out float ycontrol2);
// TODO:
//context.DrawBezier(ConnectionPen, x1, y1, xcontrol1, ycontrol1, xcontrol2, ycontrol2, x2, y2);
}
}