/// <seealso cref="Silver.Weight.Raw.CollisionContext.Resolve(Silver.Weight.Raw.BodyList, float)">
/// </seealso>
public virtual void Resolve(BodyList bodyList, float dt)
{
for (int i = 0; i < bodyList.Size(); ++i)
{
Body bi = bodyList.Item(i);
for (int j = i + 1; j < bodyList.Size(); ++j)
{
Body bj = bodyList.Item(j);
if ((bitmask & bi.Bitmask & bj.Bitmask) == 0)
{
continue;
}
if (bi.ExcludedList.Contains(bj))
{
continue;
}
if (bi.InvMass == 0.0f && bj.InvMass == 0.0f)
{
continue;
}
if (!bi.Shape.Bounds.Touches(bi.GetPosition().X, bi.GetPosition().Y, bj.Shape.Bounds, bj.GetPosition().X, bj.GetPosition().Y))
{
arbiters.remove(new Arbiter(bi, bj));
continue;
}
Arbiter newArb = new Arbiter(bi, bj);
newArb.Collide(dt);
if (newArb.NumContacts > 0)
{
bi.Collided(bj);
bj.Collided(bi);
if (arbiters.Contains(newArb))
{
int index = arbiters.indexOf(newArb);
Arbiter arb = arbiters.Item(index);
arb.Update(newArb.Contacts, newArb.NumContacts);
}
else
{
Contact c = newArb.GetContact(0);
NotifyCollision(bi, bj, c.Position, c.Normal, c.Separation);
arbiters.add(newArb);
newArb.Init();
}
}
else
{
arbiters.remove(newArb);
}
}
}
}
/// <summary> Return the index of a particular arbiter in the list
///
/// </summary>
/// <param name="arbiter">The arbiter to search for
/// </param>
/// <returns> The index of -1 if not found
/// </returns>
public virtual int indexOf(Arbiter arbiter)
{
return elements.IndexOf(arbiter);
}
/// <summary> Remove an abiter from the list
///
/// </summary>
/// <param name="arbiter">The arbiter ot Remove from the list
/// </param>
internal virtual void remove(Arbiter arbiter)
{
if (!elements.Contains(arbiter))
{
return ;
}
elements[elements.IndexOf(arbiter)] = elements[elements.Count - 1];
elements.RemoveAt(elements.Count - 1);
}
/// <summary> Check if an arbiter is contained within a list
///
/// </summary>
/// <param name="arb">The arbiter to check for
/// </param>
/// <returns> True if the arbiter is in the list
/// </returns>
public virtual bool Contains(Arbiter arb)
{
return elements.Contains(arb);
}
/// <summary> Add an arbiter to the list
///
/// </summary>
/// <param name="arbiter">The arbiter to Add
/// </param>
internal virtual void add(Arbiter arbiter)
{
elements.Add(arbiter);
}