Fixes the colossus firing twice at one location while doing spiral shots (#20639)

code/modules/mob/living/simple_animal/hostile/megafauna/colossus.dm

@@ -121,13 +121,10 @@ Difficulty: Very Hard
 	..()
 
 /mob/living/simple_animal/hostile/megafauna/colossus/proc/enrage(mob/living/L)
-	var/enraged = FALSE
 	if(ishuman(L))
 		var/mob/living/carbon/human/H = L
 		if(H.martial_art && prob(H.martial_art.deflection_chance))
-			enraged = TRUE
-
-	return enraged
+			. = TRUE
 
 /mob/living/simple_animal/hostile/megafauna/colossus/proc/alternating_dir_shots()
 	dir_shots(diagonals)
@@ -188,15 +185,15 @@ Difficulty: Very Hard
 		else
 			counter++
 		if(counter > 16)
-			counter = 0
-		if(counter < 0)
+			counter = 1
+		if(counter < 1)
 			counter = 16
 		shoot_projectile(marker)
 		playsound(get_turf(src), 'sound/magic/clockwork/invoke_general.ogg', 20, 1)
 		sleep(1)
 
 /mob/living/simple_animal/hostile/megafauna/colossus/proc/shoot_projectile(turf/marker)
-	if(!marker)
+	if(!marker || marker == loc)
 		return
 	var/turf/startloc = get_turf(src)
 	var/obj/item/projectile/P = new /obj/item/projectile/colossus(startloc)
@@ -221,6 +218,7 @@ Difficulty: Very Hard
 /mob/living/simple_animal/hostile/megafauna/colossus/proc/blast()
 	playsound(get_turf(src), 'sound/magic/clockwork/invoke_general.ogg', 200, 1, 2)
 	var/turf/T = get_turf(target)
+	newtonian_move(get_dir(T, targets_from))
 	for(var/turf/turf in range(1, T))
 		shoot_projectile(turf)