CesiumLanguageWriterTests.TestUnitQuaternion._TestFromMatrix3By3 C# (CSharp) Méthode

        private void _TestFromMatrix3By3(double angle, Cartesian axis)
        {
            Cartesian unit = axis.Normalize();

            double c = Math.Cos(angle);
            double s = Math.Sin(angle);

            double w = c;
            double x = s * unit.X;
            double y = s * unit.Y;
            double z = s * unit.Z;

            UnitQuaternion quaternion = new UnitQuaternion(w, x, y, z);
            Matrix3By3 matrix = new Matrix3By3(quaternion);

            UnitQuaternion test = new UnitQuaternion(matrix);

            Assert.AreEqual(w, quaternion.W, Constants.Epsilon15);
            Assert.AreEqual(x, quaternion.X, Constants.Epsilon15);
            Assert.AreEqual(y, quaternion.Y, Constants.Epsilon15);
            Assert.AreEqual(z, quaternion.Z, Constants.Epsilon15);
        }