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Navigating Chapter 3
By Genghis Pawn and 1 collaborators
This guide prescribes an optimal order for collecting keys in Chapter 3 while avoiding backtracking, as much as possible.
   
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Created by
Jimbly
In-Game
Factorio
Genghis Pawn
Offline
Category: Maps or Levels, Walkthroughs
Languages: English
Posted
Updated
1 Sep, 2016 @ 2:08am
14 Sep, 2019 @ 8:27am
224 Unique Visitors
2 Current Favorites
Guide Index
Overview
-50, 50 
-35, -12 
-80, -40 
-50, -50 
0, -66 
35, -35 
68, -50 
70, -4 
35, 12 
Comments
-50, 50
No boss here; simply collect the key.
-35, -12
Here you will encounter the Laser Entity. See Alayric's Boss Encounters Guide.
-80, -40
No boss.
-50, -50
No boss.
0, -66
Here you will encounter the Electro Entity. See Alayric's Boss Encounters Guide.
35, -35
No boss.
68, -50
No boss.
70, -4
No boss.
35, 12
Here you will encounter the Gravity Entity. See Alayric's Boss Encounters Guide.
2 Comments
< >
Genghis Pawn  [author] 5 Mar, 2019 @ 9:21am 
Finally just updating the order to match Jimbly's optimization below -- deserves Co-Creator status for this!
Jimbly  [author] 26 Mar, 2017 @ 8:43pm 
Hi! Great idea for a guide!

Two problems - first, you've got "50,-50" as your second stop, but I believe it should be "-50, -50".

Second, that is not the optimal path, requiring a travel of 493 lateral units (including from 0,0 and the final to 0,12, since diagonal speed is faster than horizontal or vertical, the time to get from 0 to 50,50 is the same as 0,50 or 50,0, as far as I have figured, so only the maximum of the lateral distance between two points matters, not actual distance). Slightly shorter route (421 lateral units):
[list]
[*]-50,50
[*]-35,-12
[*]-80,-40
[*]-50,-50
[*]0,-66
[*]35,-35
[*]68,-50
[*]70,-4
[*]35,12
[/list]

My Javascript snippet to calculate the shortest route: https://gist.github.com/Jimbly/180f5b0b9af02b31017646d43e2cdaf8