public static void LoadNineBodiesScenario(GravitySim sim)
{
const double baseSize = 30.0;
const double baseMass = 100000.0;
SetScenarioName(sim, "9 Bodies Scenario");
sim.ClearSim();
sim.SetSimSpace(new SimulationSpace(SimulationSpace.Space.Toy));
sim.SetAccelerationLimits(true, toySpaceScenariosDefaultAccelerationLimit, toySpaceScenariosDeaultMinimumSeparation);
sim.SetCalculationSettings(new CalculationSettings(10, false, false));
sim.SetSimRounding(8); // 0 -> Symmetry breaks down at ~75 sec.
// 8 -> Works well
sim.SetCheckSim(false);
sim.AddBody(baseMass, baseSize, 3, GravitySim.BodyStartPosition.StageLeft);
sim.AddBody(baseMass, baseSize, 2, GravitySim.BodyStartPosition.StageTop);
sim.AddBody(baseMass, baseSize, 1, GravitySim.BodyStartPosition.StageRight);
sim.AddBody(baseMass, baseSize, 7, GravitySim.BodyStartPosition.StageBottom);
sim.AddBody(baseMass, baseSize, 4, GravitySim.BodyStartPosition.StageTopLeft);
sim.AddBody(baseMass, baseSize, 5, GravitySim.BodyStartPosition.StageTopRight);
sim.AddBody(baseMass, baseSize, 6, GravitySim.BodyStartPosition.StageBottomRight);
sim.AddBody(baseMass, baseSize, 8, GravitySim.BodyStartPosition.StageBottomLeft);
sim.AddBody(baseMass, baseSize, 9, GravitySim.BodyStartPosition.CenterOfTheUniverse);
sim.SetMonitoredBody(8); // center = 8
sim.SetMonitoredValues();
}
public static void LoadFiveBodiesScenario(GravitySim sim, bool diagonals)
{
const double baseSize = 30.0;
const double baseMass = 100000.0;
if (diagonals)
{
SetScenarioName(sim, "5 Bodies Scenario - Diagonals");
}
else
{
SetScenarioName(sim, "5 Bodies Scenario - Cross");
}
sim.ClearSim();
sim.SetSimSpace(new SimulationSpace(SimulationSpace.Space.Toy));
sim.SetAccelerationLimits(true, toySpaceScenariosDefaultAccelerationLimit, toySpaceScenariosDeaultMinimumSeparation);
sim.SetCalculationSettings(new CalculationSettings(10, false, false));
sim.SetSimRounding(0);
if (diagonals)
{
sim.AddBody(baseMass, baseSize, 4, GravitySim.BodyStartPosition.StageTopLeft);
sim.AddBody(baseMass, baseSize, 5, GravitySim.BodyStartPosition.StageTopRight);
sim.AddBody(baseMass, baseSize, 6, GravitySim.BodyStartPosition.StageBottomRight);
sim.AddBody(baseMass, baseSize, 8, GravitySim.BodyStartPosition.StageBottomLeft);
}
else
{
sim.AddBody(baseMass, baseSize, 3, GravitySim.BodyStartPosition.StageLeft);
sim.AddBody(baseMass, baseSize, 2, GravitySim.BodyStartPosition.StageTop);
sim.AddBody(baseMass, baseSize, 1, GravitySim.BodyStartPosition.StageRight);
sim.AddBody(baseMass, baseSize, 7, GravitySim.BodyStartPosition.StageBottom);
}
sim.AddBody(baseMass, baseSize, 9, GravitySim.BodyStartPosition.CenterOfTheUniverse);
sim.SetMonitoredBody(4); // center = 4
sim.SetMonitoredValues();
sim.SetCheckSim(false);
//sim.SetCheckSim(!diagonals); // Sim checking is only implemented for the Cross version
}
