public void EachConstraint(Action <Body, Constraint> action)
{
ConstraintIterator iterator = (body, constraint, data) => {
action(Body.FromIntPtr(body),
Constraint.FromIntPtr(constraint));
};
cpBodyEachConstraint(Handle.Handle, iterator, IntPtr.Zero);
}
extern static void cpBodyEachConstraint(IntPtr body, ConstraintIterator iterator, IntPtr data);
static extern void cpBodyEachConstraint(IntPtr body, ConstraintIterator iterator, IntPtr data);
