/// <summary>
/// Removes a particle from this shell
/// </summary>
/// <param name="particle">Particle to remove</param>
/// <returns></returns>
public bool RemoveParticle(Particle particle)
{
//make sure the particle is an electron and actually in this shell
if (particles.Contains(particle))
{
//remove particle from this layer
Remove(particle);
particle.transform.SetParent(null);
FallUp();
return(true);
}
//not in shell, check the next one
else if (NextShell != null)
{
//recursively check if particle in next shell
if (NextShell.RemoveParticle(particle))
{
//make sure there are electrons AND NOT (sBlock into dBlock OR pBlock into fBlock)
if (ElectronCount > 0 && !((ElectronCount <= 2 && NextShell.pBlockFull) || (ElectronCount <= 8 && NextShell.dBlockFull)))
{
//replace the removed partcicle with one from this shell
TransferParticle(this, NextShell);
FallUp();
}
return(true);
}
}
return(false);
}
/// <summary>
/// Figures out where to Add a particle
/// </summary>
/// <param name="particle">Particle to be added</param>
/// <returns>true if sucessfully added</returns>
public bool AddParticle(Particle particle)
{
//0 recursively fill in electrons in PREVIOUS LEVEL that MUST be there
if (NextShell)
{
if (!NextShell.pBlockFull)
{
return(NextShell.AddParticle(particle));
}
}
//1 Fill shell sBlock
if (!sBlockFull)
{
Add(particle);
return(true);
}
if (NextShell)
{
//2 Fill shell-2 fBlock
if (NextShell.NextShell && !NextShell.NextShell.fBlockFull)
{
NextShell.NextShell.Add(particle);
return(true);
}
//3 Fill shell-1 dBlock
if (!NextShell.dBlockFull)
{
NextShell.Add(particle);
return(true);
}
}
//4 Fill shell blocks
if (!pBlockFull)
{
Add(particle);
return(true);
}
//No open place for electron
return(false);
}
