private void UpdateNeutralValue()
{
var property = _animator.Property;
var baseValue = _targetControl.GetBaseValue(property, BindingPriority.LocalValue);
_neutralValue = baseValue != AvaloniaProperty.UnsetValue ?
(T)baseValue : (T)_targetControl.GetValue(property);
}
public AnimationInstance(Animation animation, Animatable control, Animator <T> animator, IClock baseClock, Action OnComplete, Func <double, T, T> Interpolator)
{
_animator = animator;
_animation = animation;
_targetControl = control;
_onCompleteAction = OnComplete;
_interpolator = Interpolator;
_baseClock = baseClock;
_neutralValue = (T)_targetControl.GetValue(_animator.Property);
FetchProperties();
}
public AnimationInstance(Animation animation, Animatable control, Animator <T> animator, IClock baseClock, Action OnComplete, Func <double, T, T> Interpolator)
{
if (animation.SpeedRatio <= 0)
{
throw new InvalidOperationException("Speed ratio cannot be negative or zero.");
}
if (animation.Duration.TotalSeconds <= 0)
{
throw new InvalidOperationException("Duration cannot be negative or zero.");
}
_parent = animator;
_easeFunc = animation.Easing;
_targetControl = control;
_neutralValue = (T)_targetControl.GetValue(_parent.Property);
_speedRatio = animation.SpeedRatio;
_delay = animation.Delay;
_duration = animation.Duration;
_iterationDelay = animation.DelayBetweenIterations;
switch (animation.RepeatCount.RepeatType)
{
case RepeatType.None:
_repeatCount = 1;
break;
case RepeatType.Loop:
_isLooping = true;
break;
case RepeatType.Repeat:
_repeatCount = (long)animation.RepeatCount.Value;
break;
}
_animationDirection = animation.PlaybackDirection;
_fillMode = animation.FillMode;
_onCompleteAction = OnComplete;
_interpolator = Interpolator;
_baseClock = baseClock;
}
public AnimatorStateMachine(Animation animation, Animatable control, Animator <T> animator, Action onComplete)
{
_parent = animator;
_targetAnimation = animation;
_targetControl = control;
_neutralValue = (T)_targetControl.GetValue(_parent.Property);
_delayTotalFrameCount = (ulong)(animation.Delay.Ticks / Timing.FrameTick.Ticks);
_durationTotalFrameCount = (ulong)(animation.Duration.Ticks / Timing.FrameTick.Ticks);
switch (animation.RepeatCount.RepeatType)
{
case RepeatType.Loop:
_isLooping = true;
_checkLoopAndRepeat = true;
break;
case RepeatType.Repeat:
_isRepeating = true;
_checkLoopAndRepeat = true;
_repeatCount = animation.RepeatCount.Value;
break;
}
_isReversed = (animation.PlaybackDirection & PlaybackDirection.Reverse) != 0;
_animationDirection = _targetAnimation.PlaybackDirection;
_fillMode = _targetAnimation.FillMode;
if (_durationTotalFrameCount > 0)
{
_currentState = KeyFramesStates.DoDelay;
}
else
{
_currentState = KeyFramesStates.DoRun;
}
_onComplete = onComplete;
}