//protected AnimationTimer Timer = new AnimationTimer();
public BeatGraphView(IntPtr handle) : base(handle)
{
// TODO: check that beat is graphable
BeatLength = Metronome.Instance.GetQuartersForCompleteCycle();
// attach the layer delegate
AnimationLayer.Delegate = new GraphLayerDelegate()
{
BeatLength = BeatLength
};
Metronome.Instance.BeatChanged += Instance_BeatChanged;
GraphingHelper.ResetElapsedBpm();
}
public override void DrawFrame()//double bpm)
{
// determines duration of the blink effect
CATransaction.AnimationDuration = .1;
GraphingHelper.UpdateElapsedBpm();
//double elapsedBpm = Timer.GetElapsedBpm();
//lock (_ringLock)
//{
// progress the rings. Animate any blinking if needed.
foreach (Ring ring in Rings)
{
ring.Progress();
}
//}
AnimationLayer.SetNeedsDisplay();
}
void Instance_BeatChanged(object sender, EventArgs e)
{
// update the beat length
BeatLength = Metronome.Instance.GetQuartersForCompleteCycle();
((GraphLayerDelegate)AnimationLayer.Delegate).BeatLength = BeatLength;
GraphingHelper.ResetElapsedBpm();
var newRings = GraphingHelper.BuildGraph(Layer, BeatLength);
// need to fast forward the new rings
if (Metronome.Instance.PlayState != Metronome.PlayStates.Stopped)
{
foreach (Ring ring in newRings)
{
ring.Progress();
}
}
lock (_ringLock)
{
// replace old rings
foreach (Ring ring in Rings)
{
ring.Dispose();
}
Rings = newRings;
}
// display new rings
foreach (Ring ring in Rings)
{
ring.SizeToSuperLayer();
ring.DrawStaticElements();
}
}
protected override void CreateAssets()
{
// build the graph, get rings
Rings = GraphingHelper.BuildGraph(Layer, BeatLength);
}