public bool ShouldCollide(Fixture fixtureA, Fixture fixtureB)
{
Filter filterA;
fixtureA.GetFilterData(out filterA);
Filter filterB;
fixtureB.GetFilterData(out filterB);
if (filterA.groupIndex == filterB.groupIndex && filterA.groupIndex != 0)
{
return(filterA.groupIndex > 0);
}
bool collide = (filterA.maskBits & filterB.categoryBits) != 0 && (filterA.categoryBits & filterB.maskBits) != 0;
return(collide);
}
