protected static void AddType(b2ContactCreateFcn createFcn, b2ContactDestroyFcn destoryFcn, b2Shape.Type type1, b2Shape.Type type2)
{
Debug.Assert(0 <= ((int)type1) && type1 < b2Shape.Type.e_typeCount);
Debug.Assert(0 <= ((int)type2) && type2 < b2Shape.Type.e_typeCount);
s_registers[(int)type1, (int)type2] = new b2ContactRegister();
s_registers[(int)type1, (int)type2].createFcn = createFcn;
s_registers[(int)type1, (int)type2].destroyFcn = destoryFcn;
s_registers[(int)type1, (int)type2].primary = true;
if (type1 != type2)
{
s_registers[(int)type2, (int)type1] = new b2ContactRegister();
s_registers[(int)type2, (int)type1].createFcn = createFcn;
s_registers[(int)type2, (int)type1].destroyFcn = destoryFcn;
s_registers[(int)type2, (int)type1].primary = false;
}
}
internal static void Destroy(ref b2Contact contact)
{
Debug.Assert(s_initialized == true);
b2Fixture fixtureA = contact.m_fixtureA;
b2Fixture fixtureB = contact.m_fixtureB;
if (contact.m_manifold.pointCount > 0 && fixtureA.IsSensor() == false && fixtureB.IsSensor() == false)
{
fixtureA.GetBody().SetAwake(true);
fixtureB.GetBody().SetAwake(true);
}
b2Shape.Type typeA = fixtureA.GetType();
b2Shape.Type typeB = fixtureB.GetType();
Debug.Assert(0 <= ((int)typeA) && typeB < b2Shape.Type.e_typeCount);
Debug.Assert(0 <= ((int)typeA) && typeB < b2Shape.Type.e_typeCount);
b2ContactDestroyFcn destroyFcn = s_registers[(int)typeA, (int)typeB].destroyFcn;
destroyFcn(ref contact);
}
