public CelestialBody FindMostProperAttractor(CelestialBody body)
{
if (body == null)
{
return(null);
}
CelestialBody resultAttractor = null;
#if UNITY_EDITOR
if (!Application.isPlaying)
{
bodies = new List <CelestialBody>(GameObject.FindObjectsOfType <CelestialBody>());
}
#endif
// Search logic:
// calculate mutual perturbation for every pair of attractors in scene and select one,
// which attracts the body with biggest force and is least affected by others.
foreach (var otherBody in bodies)
{
if (otherBody == body || !otherBody.isActiveAndEnabled || otherBody.mass < minAttractorMass || (otherBody.position - body.position).magnitude > Mathd.Min(maxAttractionRange, otherBody.maxAttractionRange))
{
continue;
}
#if UNITY_EDITOR
if (!Application.isPlaying)
{
otherBody.FindReferences();
}
#endif
if (resultAttractor == null)
{
resultAttractor = otherBody;
}
else
if (CelestialBodyUtils.RelativePerturbationRatio(body, resultAttractor, otherBody) > CelestialBodyUtils.RelativePerturbationRatio(body, otherBody, resultAttractor))
{
resultAttractor = otherBody;
}
}
#if UNITY_EDITOR
if (!Application.isPlaying)
{
bodies.Clear(); //bodies must be empty in editor mode
}
#endif
return(resultAttractor);
}
/// <summary>
/// Find attractor, which have most gravitational influence at target body.
/// </summary>
/// <param name="body">Target body.</param>
/// <returns>Most proper attractor or null.</returns>
/// <remarks>
/// Search logic:
/// Calculate mutual perturbation for every pair of attractors in scene and select one,
/// which attracts the body with biggest force and is least affected by others.
/// </remarks>
public CelestialBody FindMostProperAttractor(CelestialBody body)
{
if (body == null)
{
return(null);
}
CelestialBody resultAttractor = null;
#if UNITY_EDITOR
if (!Application.isPlaying)
{
Bodies = new List <CelestialBody>(GameObject.FindObjectsOfType <CelestialBody>());
}
#endif
foreach (var otherBody in Bodies)
{
if (otherBody == body || !otherBody.isActiveAndEnabled || otherBody.Mass < MinAttractorMass || (otherBody.Position - body.Position).magnitude > Mathd.Min(MaxAttractionRange, otherBody.MaxAttractionRange))
{
continue;
}
#if UNITY_EDITOR
if (!Application.isPlaying)
{
otherBody.FindReferences();
}
#endif
if (resultAttractor == null)
{
resultAttractor = otherBody;
}
else
if (CelestialBodyUtils.RelativePerturbationRatio(body, resultAttractor, otherBody) > CelestialBodyUtils.RelativePerturbationRatio(body, otherBody, resultAttractor))
{
resultAttractor = otherBody;
}
}
#if UNITY_EDITOR
if (!Application.isPlaying)
{
Bodies.Clear(); //bodies must be empty in editor mode
}
#endif
return(resultAttractor);
}
