/// <summary>Creates a new <see cref="EffectController"/> instance.</summary>
internal EffectController(Effect effect, EffectCallback effectCallback) {
SourceEffect = effect;
SourceEffect.Validate();
RuntimeEffect = SourceEffect.Decompose();
State = EffectState.Playing;
_rootTimeline = new ParallelTimeline();
RuntimeEffect.DefineTimeline(_rootTimeline, TimeSpan.Zero);
if (!GlobalSpeedRatio.IsOne()) {
_rootTimeline.SpeedRatio = GlobalSpeedRatio;
}
_rootTimeline.CurrentStateInvalidated += _rootClockStateChanged;
_rootTimeline.Completed += _rootClockCompleted;
_effectCallback = effectCallback;
_rootClock = _rootTimeline.CreateClock();
var count = RuntimeEffect.ApplyClocks(_rootClock, 0);
if (count > 0) {
_rootClock.Controller.Begin();
} else {
State = EffectState.Completed;
_rootClock.Controller.Remove();
if (effectCallback != null) {
GuiTimer.StartAfterRender(t => effectCallback(this));
}
}
}
public ReusableFollowTracker()
{
_timeline = new ParallelTimeline(null, Duration.Forever);
_timeClock = _timeline.CreateClock();
_timeClock.Controller?.Begin();
_lastTime = TimeSpan.FromSeconds(0);
}