public void CancelInteraction(ElementInstance a, ElementInstance b)
{
int hash = a.GetHashCode() + b.GetHashCode();
if (_activeInteractions.ContainsKey(hash))
{
_activeInteractions[hash].Kill();
}
}
public Interaction GetInteraction(ElementInstance a, ElementInstance b)
{
if (a == null || b == null)
{
return(null);
}
int hash = a.GetHashCode() + b.GetHashCode();
if (_activeInteractions.ContainsKey(hash))
{
return(_activeInteractions[hash]);
}
InteractionData validInteraction = null;
foreach (var interaction in availableInteractions)
{
if (interaction.IsFulfilledBy(a.Data, b.Data))
{
if (Vector3.Distance(a.transform.position, b.transform.position) < interaction.distance)
{
validInteraction = interaction;
}
else
{
CancelInteraction(a, b);
}
}
}
if (validInteraction != null)
{
Interaction newInteraction = Instantiate(validInteraction.interactionPrefab);
newInteraction.Birth(a, b);
newInteraction.OnKill += () => { _activeInteractions.Remove(hash); };
newInteraction.transform.position = (a.transform.position + b.transform.position) / 2;
_activeInteractions[hash] = newInteraction;
return(newInteraction);
}
return(null);
}
