// Copyright 2006 Nanorex, Inc.  See LICENSE file for details. 
extern void rigid_ode_init(struct part *p);

extern void rigid_ode_destroy(struct part *p);

extern void rigid_ode_relative_to_absolute(struct part *p, int bodyIndex, struct xyz relative, struct xyz *absolute);

extern void rigid_ode_apply_force_relative(struct part *p, int bodyIndex, struct xyz force_location_relative, struct xyz force_direction_absolute);