public void OnceBackwardsRandomStartTest(int rngSeed)
{
var modelBoneInstances = NewDefaultModelBoneInstances();
var animation = NewBasicAnimationInstance();
var random = new QuoteUnquoteRandom(rngSeed);
var instance = new AnimationInstance(modelBoneInstances, animation, AnimationMode.OnceBackwards,
AnimationFlags.RandomStart, null, random);
instance.Play();
var time = TimeInterval.Zero;
float?previous = null;
for (var i = 5; i > 0; i--)
{
instance.Update(time);
time = new TimeInterval(time.TotalTime + TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(1));
if (previous is null)
{
previous = modelBoneInstances[0].AnimatedOffset.Translation.X;
continue;
}
var target = previous.Value - 1;
if (target < 0)
{
target = 0;
}
Assert.Equal(target, modelBoneInstances[0].AnimatedOffset.Translation.X, new ToleranceEqualityComparer(0.001f));
previous = modelBoneInstances[0].AnimatedOffset.Translation.X;
}
instance.Stop();
}
public override void Deactivate()
{
_animationInstance.Stop();
}
