public void CosineInterpolationDoublePrecision()
{
Assert.AreEqual(1.0, InterpolationHelper.CosineInterpolation(1.0, 2.0, 0.0));
Assert.AreEqual(1.5, InterpolationHelper.CosineInterpolation(1.0, 2.0, 0.5));
Assert.AreEqual(2.0, InterpolationHelper.CosineInterpolation(1.0, 2.0, 1.0));
Assert.AreEqual(1.5, InterpolationHelper.CosineInterpolation(2.0, 1.0, 0.5));
}
public void CosineInterpolationSinglePrecision()
{
Assert.AreEqual(1.0f, InterpolationHelper.CosineInterpolation(1.0f, 2.0f, 0.0f));
Assert.AreEqual(1.5f, InterpolationHelper.CosineInterpolation(1.0f, 2.0f, 0.5f));
Assert.AreEqual(2.0f, InterpolationHelper.CosineInterpolation(1.0f, 2.0f, 1.0f));
Assert.AreEqual(1.5f, InterpolationHelper.CosineInterpolation(2.0f, 1.0f, 0.5f));
}
public void CosineInterpolationVectorD()
{
VectorD v = new VectorD(new[] { 1.0, 10.0, 100.0, 1000.0 });
VectorD w = new VectorD(new[] { 2.0, 20.0, 200.0, 2000.0 });
VectorD lerp0 = InterpolationHelper.CosineInterpolation(v, w, 0.0);
VectorD lerp1 = InterpolationHelper.CosineInterpolation(v, w, 1.0);
VectorD lerp05 = InterpolationHelper.CosineInterpolation(v, w, 0.5);
Assert.AreEqual(v, lerp0);
Assert.AreEqual(w, lerp1);
Assert.IsTrue(VectorD.AreNumericallyEqual(new VectorD(new[] { 1.5, 15.0, 150.0, 1500.0 }), lerp05));
}
public void CosineInterpolationVectorF()
{
VectorF v = new VectorF(new[] { 1.0f, 10.0f, 100.0f, 1000.0f });
VectorF w = new VectorF(new[] { 2.0f, 20.0f, 200.0f, 2000.0f });
VectorF lerp0 = InterpolationHelper.CosineInterpolation(v, w, 0.0f);
VectorF lerp1 = InterpolationHelper.CosineInterpolation(v, w, 1.0f);
VectorF lerp05 = InterpolationHelper.CosineInterpolation(v, w, 0.5f);
Assert.AreEqual(v, lerp0);
Assert.AreEqual(w, lerp1);
Assert.AreEqual(new VectorF(new[] { 1.5f, 15.0f, 150.0f, 1500.0f }), lerp05);
}
public void CosineInterpolationVector4()
{
Vector4 v = new Vector4(1.0f, 10.0f, 100.0f, 1000.0f);
Vector4 w = new Vector4(2.0f, 20.0f, 200.0f, 2000.0f);
Vector4 lerp0 = InterpolationHelper.CosineInterpolation(v, w, 0.0f);
Vector4 lerp1 = InterpolationHelper.CosineInterpolation(v, w, 1.0f);
Vector4 lerp05 = InterpolationHelper.CosineInterpolation(v, w, 0.5f);
Assert.AreEqual(v, lerp0);
Assert.AreEqual(w, lerp1);
Assert.AreEqual(new Vector4(1.5f, 15.0f, 150.0f, 1500.0f), lerp05);
}
public void CosineInterpolationVectorDException3()
{
InterpolationHelper.CosineInterpolation(new VectorD(3), new VectorD(4), 0);
}
public void CosineInterpolationVectorDException2()
{
InterpolationHelper.CosineInterpolation(new VectorD(), null, 0);
}
public void CosineInterpolationVectorFException()
{
InterpolationHelper.CosineInterpolation(null, new VectorF(), 0);
}