protected void PreSolveCalcPoints(Contact contact, ref Manifold oldManifold)
{
Manifold manifold;
contact.GetManifold(out manifold);
if (manifold._pointCount == 0)
{
return;
}
Fixture fixtureA = contact.GetFixtureA();
Fixture fixtureB = contact.GetFixtureB();
FixedArray2<PointState> state1, state2;
Collision.GetPointStates(out state1, out state2, ref oldManifold, ref manifold);
WorldManifold worldManifold;
contact.GetWorldManifold(out worldManifold);
for (int i = 0; i < manifold._pointCount && _pointCount < k_maxContactPoints; ++i)
{
if (fixtureA == null)
{
_points[i] = new ContactPoint();
}
ContactPoint cp = _points[_pointCount];
cp.fixtureA = fixtureA;
cp.fixtureB = fixtureB;
cp.position = worldManifold._points[i];
cp.normal = worldManifold._normal;
cp.state = state2[i];
_points[_pointCount] = cp;
++_pointCount;
}
}