Merge pull request #348 from Cosmic-Overlord/Update_motion_detector

Update motion_detector.dm

code/game/objects/items/motion_detector.dm

@@ -57,6 +57,8 @@
 	var/mob/living/carbon/human/operator
 	///If a hostile was detected
 	var/hostile_detected = FALSE
+	///The time needed after the last move to not be detected by this motion detector
+	var/move_sensitivity = 1 SECONDS
 	///The range of this motion detector
 	var/range = 16
 	///The list of all the blips
@@ -131,10 +133,14 @@
 	for (var/mob/living/carbon/human/nearby_human AS in cheap_get_humans_near(operator, range))
 		if(nearby_human == operator)
 			continue
+		if(nearby_human.last_move_time + move_sensitivity < world.time)
+			continue
 		if(HAS_TRAIT(nearby_human, TRAIT_LIGHT_STEP))
 			continue
 		prepare_blip(nearby_human, nearby_human.wear_id?.iff_signal & operator.wear_id?.iff_signal ? MOTION_DETECTOR_FRIENDLY : MOTION_DETECTOR_HOSTILE)
 	for (var/mob/living/carbon/xenomorph/nearby_xeno AS in cheap_get_xenos_near(operator, range))
+		if(nearby_xeno.last_move_time + move_sensitivity < world.time )
+			continue
 		prepare_blip(nearby_xeno, MOTION_DETECTOR_HOSTILE)
 	if(hostile_detected)
 		playsound(loc, 'sound/items/tick.ogg', 100, 0, 7, 2)