/// <summary>
/// Finds the nearest free molecule of a specific species.
/// </summary>
/// <returns><c>true</c>, if nearest molecule for reaction was found, <c>false</c> otherwise.</returns>
/// <param name="reference">Reference.</param>
/// <param name="species">Species.</param>
/// <param name="molecule">Molecule.</param>
private bool FindNearestMoleculeForReaction(Molecule reference, MoleculeSpecies species, out Molecule molecule)
{
Vector3 position = reference.Position;
float minDistance = float.MaxValue;
molecule = null;
ShortKeyDict <MoleculeSpecies, MoleculeSet> .Entry entry;
if (collection.Find(species, out entry))
{
MoleculeSet ms = entry.Value;
foreach (var m in ms.Free)
{
float distance = Vector3.Distance(position, m.Position);
if ((distance < minDistance) && (reference != m))
{
minDistance = distance;
molecule = m;
}
}
}
else
{
// molecule species not listed --> molecule == null --> false is returned
}
return(molecule != null);
}
/// <summary>
/// Gets the quantity of molecules of a specific species in the environment.
/// Returns only the free molecules.
/// </summary>
/// <returns>The count of molecules</returns>
/// <param name="species">Species.</param>
public ulong GetQuantity(MoleculeSpecies species)
{
if (Application.isPlaying)
{
ShortKeyDict <MoleculeSpecies, MoleculeSet> .Entry entry;
if (collection.Find(species, out entry))
{
return(entry.Value.Free.Count);
}
else
{
return(0);
}
}
else
{
// when not playing, the molecules are not registered to the molecule
// manager. Therefore they have to be counted this way:
ulong count = 0;
foreach (var m in GameObject.FindObjectsOfType <Molecule>())
{
if (m.Species == species)
{
count++;
}
}
return(count);
}
}
/// <summary>
/// Internal Method to removes all molecules of a specific species or all
/// molecules.
/// </summary>
/// <param name="moleculeSpecies">species to remove.</param>
/// <param name="all">If set to <c>true</c> all molecules (species does not matter) are removed.</param>
private void RemoveMolecules(MoleculeSpecies moleculeSpecies, bool all)
{
Molecule[] molecules = GameObject.FindObjectsOfType <Molecule>();
foreach (var m in molecules)
{
if (all || moleculeSpecies.Equals(m.Species))
{
GameObject.DestroyImmediate(m.gameObject);
}
}
}
/// <summary>
/// Finds a random free molecule of a specific species.
/// </summary>
/// <returns><c>true</c>, if random molecule for reaction was found, <c>false</c> otherwise.</returns>
/// <param name="species">Species.</param>
/// <param name="molecule">Molecule.</param>
private bool FindRandomMoleculeForReaction(MoleculeSpecies species, out Molecule molecule)
{
ShortKeyDict <MoleculeSpecies, MoleculeSet> .Entry entry;
if (collection.Find(species, out entry))
{
MoleculeCollection free = entry.Value.Free;
ulong c = free.Count;
if (c == 0)
{
molecule = null;
return(false);
}
uint i = (uint)(Random.value * c);
if (i == free.Count)
{
i--;
} // because Random.value's maximum is inclusive 1
foreach (var m in free)
{
if (i == 0)
{
molecule = m;
return(true);
}
i--;
}
throw new System.Exception("should not be possible");
}
else
{
molecule = null;
return(false);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CellUnity.MoleculeManager+MoleculeSet"/> class.
/// </summary>
/// <param name="species">Species of the MolculeSet</param>
public MoleculeSet(MoleculeSpecies species)
{
Free = new MoleculeCollection(species.Name + " free");
Reacting = new MoleculeCollection(species.Name + " reacting");
}
/// <summary>
/// Removes all molecules of a specific species.
/// (All GameObjects with the <see cref="Molecule"/>-Script applied,
/// associated with the species).
/// </summary>
/// <param name="moleculeSpecies">Species to remove</param>
public void RemoveMolecules(MoleculeSpecies moleculeSpecies)
{
RemoveMolecules(moleculeSpecies, false);
}
/// <summary>
/// Removes a species from the environment. All molecule instances associated
/// with this species are removed. The species is destroyed immediatly
/// (ScriptableObject.DestroyImmediate).
/// </summary>
/// <param name="s">species to remove</param>
public void RemoveSpecies(MoleculeSpecies s)
{
s.Delete();
species.Remove(s);
ScriptableObject.DestroyImmediate(s, true);
}
/// <summary>
/// Adds a new species to the environment.
/// </summary>
/// <param name="s">species to add</param>
public void AddSpecies(MoleculeSpecies s)
{
species.Add(s);
UnityEditor.AssetDatabase.AddObjectToAsset(s, this);
}