public static IObservable <Vector2> PlayInOut(Vector2 from, Vector2 inEnd, Vector2 outStart, Vector2 to, ITween inTween, ITween outTween, IScheduler scheduler)
{
var inVelocity = inTween.CalculateFinishVelocity(Vector2.Distance(inEnd, from)).PerSecond;
var outVelocity = outTween.CalculateStartVelocity(Vector2.Distance(to, outStart)).PerSecond;
ITween linearTween;
if (Math.Abs(inVelocity - outVelocity) < EQUAL_DELTA)
{
linearTween = TweenMotion.Uniform((float)((inVelocity + outVelocity) / 2.0));
}
else
{
var accel = (outVelocity * outVelocity - inVelocity * inVelocity) / (2.0f * Vector2.Distance(outStart, inEnd));
linearTween = TweenMotion.Acceleration((float)accel, (float)inVelocity);
}
var compositeTween = new CompositeTween(new[]
{
Tuple.Create(inTween, Vector2.Distance(inEnd, from)),
Tuple.Create(linearTween, Vector2.Distance(outStart, inEnd)),
Tuple.Create(outTween, Vector2.Distance(to, outStart)),
});
return(Play(new[] { from, inEnd, outStart, to }, compositeTween, scheduler));
}
public static IObservable <Vector2> PlayOut(Vector2 from, Vector2 outStart, Vector2 to, ITween outTween, IScheduler scheduler)
{
var velocity = outTween.CalculateStartVelocity(Vector2.Distance(to, outStart));
var linear = Easing.Linear(velocity);
var compositeTween = new CompositeTween(new[]
{
Tuple.Create(linear, Vector2.Distance(outStart, from)),
Tuple.Create(outTween, Vector2.Distance(to, outStart)),
});
return(Play(new[] { from, outStart, to }, compositeTween, scheduler));
}
public static IObservable <float> PlayOut(float from, float outStart, float to, ITween outTween, IScheduler scheduler)
{
var velocity = outTween.CalculateStartVelocity(Mathf.Abs(to - outStart));
var linear = Easing.Linear(velocity);
var compositeTween = new CompositeTween(new[]
{
Tuple.Create(linear, Mathf.Abs(outStart - from)),
Tuple.Create(outTween, Mathf.Abs(to - outStart)),
});
return(Play(new[] { from, outStart, to }, compositeTween, scheduler));
}