walkingZombies()

{

	disableModifiedMovementSpeedZombies();



	thread setZombieMovementSpeed("walk");

}



sprintingZombies()

{

	disableModifiedMovementSpeedZombies();



	thread setZombieMovementSpeed("sprint");

}



busChasingZombies()

{

	disableModifiedMovementSpeedZombies();



	thread setZombieMovementSpeed("chase_bus");

}



disableModifiedMovementSpeedZombies()

{

	level notify("stopForcedMovementSpeedZombies");

}



setZombieMovementSpeed(movementSpeed)

{

	level endon("game_ended");

	level endon("stopForcedMovementSpeedZombies");



	while(true)

	{

		zombies = get_round_enemy_array();



		foreach(zombie in zombies)

		{

			if(zombie.has_legs && zombie.zombie_move_speed != movementSpeed)

			{

				// Prevent Zombies from being stuck in front of barriers

				if(movementSpeed == "chase_bus" && !is_true(zombie.completed_emerging_into_playable_area))

				{

					continue;

				}



				zombie set_zombie_run_cycle(movementSpeed);

				zombie.zombie_move_speed_original = zombie.zombie_move_speed;

			}

			

			wait 0.1;

		}

		

		wait 0.1;

	}

}