def move_pedestrians(self):
"""
Performs a vectorized move of all the pedestrians.
Assumes that all the velocities have been set accordingly.
:return: None
"""
self.time += self.dt
self.counter += 1
self.last_position_array = np.array(self.position_array)
self.position_array += self.velocity_array * self.dt
if self.mde:
mde = compute_mde(self.position_array, self.size[0], self.size[1],
self.active_entries, self.core_distance)
mde_found = np.where(np.sum(np.abs(mde[self.active_entries]), axis=1) > 0.001)[0]
self.mde_proc.append(len(mde_found) / np.sum(self.active_entries))