1 package prefuse.util.force; 2 3 /** 4 * Interface for numerical integration routines. These routines are used 5 * to update the position and velocity of items in response to forces 6 * over a given time step. 7 * 8 * @author <a HREF="http://jheer.org">jeffrey heer</a> 9 */ 10 public interface Integrator { 11 12 public void integrate(ForceSimulator sim, long timestep); 13 14 } // end of interface Integrator 15