Okay, fine, have it your way! Let's talk about the gray box! I'm with you, but, you know, if it's an Honest Trailer, shouldn't it kind of be more, I don't know, honest? Troy Baker: Other-Otherwise, it's just a gray box that we're. I was doing, like, "Yeah!" Platoon, maybe, or something?
MINESWEEPER LEVELS MOVIE
I just thought, you know, we could do, like, a fun war movie thing. Nolan North: Isn't-Isn't it about telling what the game's actually like? I'm sorry, but, like, I thought we were doing an Honest Game Trailers, and, and, uh. Troy Baker: I was really getting into it.
I got 87 of these things to sweep, and I'll be damned if. I'd give anything to see Susan and little Billy again, but.
We lost too many good men, and I'm all out of smokes. Troy Baker: Day 57: It's been a long slog across the delta. Nolan North: On the battlefield, every split-second decision you make can mean life. Troy Baker: Feels like I've been sweeping these mines. Here is what it looks like, in Ruby, in my game.(a barrage of requests pop up asking Fandom Games to do a trailer for Minesweeper )Īll right, all right, we get it! But listen, if we're going to do this thing, we're going to need to bring out the big guns. After I find a square with mines nearby I check all of its neighbors, (upper right, right, lower right…) going clockwise until I find a neighbor without any mines nearby (value 0) and then making that one my current focus. If it does not, I check the square above that one and so on until I find a square with mines nearby. Then I check to see if the square above it has any mines nearby. When the player clicks on a square with no mines nearby, I reveal that square. It turns out you can still use depth-first search when revealing squares after a player’s click. So how does this relate to Minesweeper? Minesweeper does not have anything that looks like a tree. If the number is visited again, while backtracking, you do not count that visit. Notice that you only record a number the first time you visit it. Following this pattern the depth-first search of this tree visits each number in the following order: 37, 13, 6, 5, 11, 17, 15, 88, 69, 51, 48, 63, 79. 11 also has no paths branching off of it, so I go back again to 13 and explore 17 which I had skipped on my way down. There are no paths branching off of 5, so I backtrack to 6 and then go right visiting 11. The first four numbers I visit are 37, 13, 6, and 5 in that order. You then go left until you hit a place where you must make a choice, and then again you take the left branch. To traverse or search this tree using depth-first search you start at the top, at 37. With computers, people often explain depth-first search using trees like this one. When they hit a dead end they double back and try a different path. They explore new levels by always going right when they come to an intersection. I know several folks who use this technique when playing first person shooter video games.
If you have ever solved a maze by following along a wall you’ve used depth-first search. In a depth-first search, you go as far in any direction you can before backtracking and trying a different direction. So what is depth-first search? It is an algorithm for exploring a graph, a tree, or another data structure in a systematic way. Using depth-first search, I finished my Ruby2D version of Minesweeper. Then I remembered, when I implemented Minesweeper in college I used depth-first search for the progressive reveal. The first two implementations I tried didn’t work. This behavior, a progressive reveal until you get near a mine, is the trickiest part of implementing the game. If those squares do not have any mines nearby, the process is repeated until you get to a square that has a mine nearby. If there aren’t any mines nearby, the neighboring squares are revealed. In Minesweeper, when you click on a square the game reveals the number of mines nearby. Within a few hours, I had a basic game working. Ruby2D is still under development, but it has enough functionality for me to build Minesweeper. When I learned both Ruby-Processing and Gosu the first thing I implemented was a simple Minesweeper game. This is part of the Algorithms with Auntie Aja series.
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