public void Destroy(b2Contact contact)
{
if (contact.m_manifold.m_pointCount > 0)
{
contact.m_fixtureA.m_body.SetAwake(true);
contact.m_fixtureB.m_body.SetAwake(true);
}
int type1 = contact.m_fixtureA.GetType();
int type2 = contact.m_fixtureB.GetType();
//b2Settings.b2Assert(b2Shape.e_unknownShape < type1 && type1 < b2Shape.e_shapeTypeCount);
//b2Settings.b2Assert(b2Shape.e_unknownShape < type2 && type2 < b2Shape.e_shapeTypeCount);
b2ContactRegister reg = m_registers[type1][type2];
if (true)
{
reg.poolCount++;
contact.m_next = reg.pool;
reg.pool = contact;
}
Action <b2Contact, object> destroyFcn = reg.destroyFcn;
destroyFcn(contact, m_allocator);
}
public b2Contact Create(b2Fixture fixtureA, b2Fixture fixtureB)
{
int type1 = fixtureA.GetType();
int type2 = fixtureB.GetType();
//b2Settings.b2Assert(b2Shape.e_unknownShape < type1 && type1 < b2Shape.e_shapeTypeCount);
//b2Settings.b2Assert(b2Shape.e_unknownShape < type2 && type2 < b2Shape.e_shapeTypeCount);
b2ContactRegister reg = m_registers[type1][type2];
b2Contact c;
if (reg.pool != null)
{
// Pop a contact off the pool
c = reg.pool;
reg.pool = c.m_next;
reg.poolCount--;
c.Reset(fixtureA, fixtureB);
return(c);
}
Func <object, b2Contact> createFcn = reg.createFcn;
if (createFcn != null)
{
if (reg.primary)
{
c = createFcn(m_allocator);
c.Reset(fixtureA, fixtureB);
return(c);
}
else
{
c = createFcn(m_allocator);
c.Reset(fixtureB, fixtureA);
return(c);
}
}
else
{
return(null);
}
}
