public void AnimateFrom()
{
var defaultSource = _random.NextQuaternionF();
var defaultTarget = _random.NextQuaternionF();
var from = _random.NextQuaternionF();
var animation = new QuaternionFFromToByAnimation();
animation.From = from;
animation.To = null;
animation.By = null;
Assert.AreEqual(from, animation.GetValue(TimeSpan.FromSeconds(0.0), defaultSource, defaultTarget));
Assert.IsTrue(QuaternionF.AreNumericallyEqual(InterpolationHelper.Lerp(from, defaultSource, 0.75f), animation.GetValue(TimeSpan.FromSeconds(0.75), defaultSource, defaultTarget)));
Assert.AreEqual(defaultSource, animation.GetValue(TimeSpan.FromSeconds(1.0), defaultSource, defaultTarget));
}
public void AnimateUsingDefaults()
{
var defaultSource = _random.NextQuaternionF();
var defaultTarget = _random.NextQuaternionF();
var animation = new QuaternionFFromToByAnimation();
animation.From = null;
animation.To = null;
animation.By = null;
Assert.AreEqual(defaultSource, animation.GetValue(TimeSpan.FromSeconds(0.0), defaultSource, defaultTarget));
Assert.IsTrue(QuaternionF.AreNumericallyEqual(InterpolationHelper.Lerp(defaultSource, defaultTarget, 0.75f), animation.GetValue(TimeSpan.FromSeconds(0.75), defaultSource, defaultTarget)));
Assert.AreEqual(defaultTarget, animation.GetValue(TimeSpan.FromSeconds(1.0), defaultSource, defaultTarget));
}
public void ShouldIgnoreByIfToIsSet()
{
var defaultSource = _random.NextQuaternionF();
var defaultTarget = _random.NextQuaternionF();
var to = _random.NextQuaternionF();
var by = _random.NextQuaternionF();
var animation = new QuaternionFFromToByAnimation();
animation.From = null;
animation.To = to;
animation.By = by;
Assert.AreEqual(defaultSource, animation.GetValue(TimeSpan.FromSeconds(0.0), defaultSource, defaultTarget));
Assert.IsTrue(QuaternionF.AreNumericallyEqual(InterpolationHelper.Lerp(defaultSource, to, 0.75f), animation.GetValue(TimeSpan.FromSeconds(0.75), defaultSource, defaultTarget)));
Assert.AreEqual(to, animation.GetValue(TimeSpan.FromSeconds(1.0), defaultSource, defaultTarget));
}
public void AnimateFromBy()
{
var defaultSource = _random.NextQuaternionF();
var defaultTarget = _random.NextQuaternionF();
var from = _random.NextQuaternionF();
var by = _random.NextQuaternionF();
var animation = new QuaternionFFromToByAnimation();
animation.From = from;
animation.To = null;
animation.By = by;
Assert.AreEqual(from, animation.GetValue(TimeSpan.FromSeconds(0.0), defaultSource, defaultTarget));
Assert.IsTrue(QuaternionF.AreNumericallyEqual(InterpolationHelper.Lerp(from, by * from, 0.75f), animation.GetValue(TimeSpan.FromSeconds(0.75), defaultSource, defaultTarget)));
Assert.AreEqual(by * from, animation.GetValue(TimeSpan.FromSeconds(1.0), defaultSource, defaultTarget));
animation.By = by.Inverse;
Assert.AreEqual(from, animation.GetValue(TimeSpan.FromSeconds(0.0), defaultSource, defaultTarget));
Assert.IsTrue(QuaternionF.AreNumericallyEqual(InterpolationHelper.Lerp(from, by.Inverse * from, 0.75f), animation.GetValue(TimeSpan.FromSeconds(0.75), defaultSource, defaultTarget)));
Assert.AreEqual(by.Inverse * from, animation.GetValue(TimeSpan.FromSeconds(1.0), defaultSource, defaultTarget));
}
public void ShouldIgnoreByIfToIsSet()
{
var defaultSource = _random.NextQuaternionF();
var defaultTarget = _random.NextQuaternionF();
var to = _random.NextQuaternionF();
var by = _random.NextQuaternionF();
var animation = new QuaternionFFromToByAnimation();
animation.From = null;
animation.To = to;
animation.By = by;
Assert.AreEqual(defaultSource, animation.GetValue(TimeSpan.FromSeconds(0.0), defaultSource, defaultTarget));
Assert.IsTrue(QuaternionF.AreNumericallyEqual(InterpolationHelper.Lerp(defaultSource, to, 0.75f), animation.GetValue(TimeSpan.FromSeconds(0.75), defaultSource, defaultTarget)));
Assert.AreEqual(to, animation.GetValue(TimeSpan.FromSeconds(1.0), defaultSource, defaultTarget));
}