#include <Box2D/Dynamics/Contacts/b2CircleContact.h>
#include <Box2D/Dynamics/b2Body.h>
#include <Box2D/Dynamics/b2Fixture.h>
#include <Box2D/Dynamics/b2WorldCallbacks.h>
#include <Box2D/Common/b2BlockAllocator.h>
#include <Box2D/Collision/b2TimeOfImpact.h>
#include <new>