Example #1
0
    // Create an NBody and check it's mass
    public void EccentricityPrediction()
    {
        const float    mass        = 1000f;
        GameObject     star        = TestSetupUtils.CreateNBody(mass, new Vector3(0, 0, 0));
        NBody          starNbody   = star.GetComponent <NBody>();
        const float    orbitRadius = 10f;
        GameObject     planet      = TestSetupUtils.CreatePlanetInOrbitUniversal(starNbody, 1f, orbitRadius);
        OrbitUniversal orbitU      = planet.GetComponent <OrbitUniversal>();

        OrbitPredictor op = TestSetupUtils.AddOrbitPredictor(planet, star);

        Assert.NotNull(op);

        double[] ecc_values = { 0, 0.1, 0.7, 0.9, 0.99, 1.01, 1.5, 2 };
        foreach (double ecc in ecc_values)
        {
            Debug.LogFormat("#### EccentricityPrediction ecc={0}", ecc);
            orbitU.eccentricity = ecc;
            TestSetupUtils.SetupGravityEngine(star, planet);
            op.TestRunnerSetup();

            OrbitUniversal predictedOrbit = op.GetOrbitUniversal();
            Assert.NotNull(predictedOrbit);
            CompareOrbits(orbitU, predictedOrbit, small);
        }
    }
Example #2
0
    // Create an NBody and check it's mass
    public void OmegaUEllipsePrediction()
    {
        const float    mass        = 1000f;
        GameObject     star        = TestSetupUtils.CreateNBody(mass, new Vector3(0, 0, 0));
        NBody          starNbody   = star.GetComponent <NBody>();
        const float    orbitRadius = 10f;
        GameObject     planet      = TestSetupUtils.CreatePlanetInOrbitUniversal(starNbody, 1f, orbitRadius);
        OrbitUniversal orbitU      = planet.GetComponent <OrbitUniversal>();

        // Need a bit of incl, otherwise omegaU comes back as omegaL.
        orbitU.inclination  = 10;
        orbitU.eccentricity = 0.05;

        OrbitPredictor op = TestSetupUtils.AddOrbitPredictor(planet, star);

        Assert.NotNull(op);

        double[] ou_values = { 0, 1, 5, 10, 30, 60, 90, 180, 270, 355, 360 };
        foreach (double ou in ou_values)
        {
            Debug.LogFormat("#### OmegaUPrediction ou={0}", ou);
            orbitU.omega_uc = ou;
            TestSetupUtils.SetupGravityEngine(star, planet);
            op.TestRunnerSetup();

            OrbitUniversal predictedOrbit = op.GetOrbitUniversal();
            Assert.NotNull(predictedOrbit);
            CompareOrbits(orbitU, predictedOrbit, small);
        }
    }
Example #3
0
    // Create an NBody and check it's mass
    public void CirclePrediction()
    {
        const float    mass        = 1000f;
        GameObject     star        = TestSetupUtils.CreateNBody(mass, new Vector3(0, 0, 0));
        NBody          starNbody   = star.GetComponent <NBody>();
        const float    orbitRadius = 10f;
        GameObject     planet      = TestSetupUtils.CreatePlanetInOrbitUniversal(starNbody, 1f, orbitRadius);
        OrbitUniversal orbitU      = planet.GetComponent <OrbitUniversal>();

        OrbitPredictor op = TestSetupUtils.AddOrbitPredictor(planet, star);

        Assert.NotNull(op);

        double[] p_values = { 10, 100, 1000 };
        foreach (double p in p_values)
        {
            Debug.LogFormat("#### CirclePrediction p={0}", p);
            orbitU.p = p;
            TestSetupUtils.SetupGravityEngine(star, planet);
            op.TestRunnerSetup();

            OrbitUniversal predictedOrbit = op.GetOrbitUniversal();
            Assert.NotNull(predictedOrbit);
            CompareOrbits(orbitU, predictedOrbit, small);
        }
    }
Example #4
0
    // Create an NBody and check it's mass
    public void InclinationPrediction()
    {
        const float    mass        = 1000f;
        GameObject     star        = TestSetupUtils.CreateNBody(mass, new Vector3(0, 0, 0));
        NBody          starNbody   = star.GetComponent <NBody>();
        const float    orbitRadius = 10f;
        GameObject     planet      = TestSetupUtils.CreatePlanetInOrbitUniversal(starNbody, 1f, orbitRadius);
        OrbitUniversal orbitU      = planet.GetComponent <OrbitUniversal>();

        OrbitPredictor op = TestSetupUtils.AddOrbitPredictor(planet, star);

        Assert.NotNull(op);

        double[] incl_values = { 0, 1, 5, 10, 30, 45, 60, 90, 145, 179, 180 };
        foreach (double incl in incl_values)
        {
            Debug.LogFormat("#### InclinationPrediction incl={0}", incl);
            orbitU.inclination = incl;
            TestSetupUtils.SetupGravityEngine(star, planet);
            op.TestRunnerSetup();

            OrbitUniversal predictedOrbit = op.GetOrbitUniversal();
            Assert.NotNull(predictedOrbit);
            CompareOrbits(orbitU, predictedOrbit, small);
        }
    }