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Google Snake Game: How to Make a Bot Play

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Google Snake Game: How to Make a Bot Play

Snake is a classic arcade game, but it can be hard to play when you’re not plugged into the wall and only have your phone in your pocket. But don’t worry, there’s a way to make a bot play Snake for you, even if it’s not the same as playing on an old-school arcade cabinet.

About Google Snake Game

Google Snake Game is a game where you control a snake that eats apples. It’s straightforward and fun, but it can also be frustrating if you don’t know how to play correctly. You can play this game on the Google Chrome browser, so if you have the latest version of Chrome installed on your computer, then all you have to do is click this link.

Google Snake Game AI Bot

If you’re a programmer, you can make a bot that plays the game for you. It is not hard to do these:

First, get the python library for google play.

Go to Github and download the ZIP file for Google Play API v2 Python Client Library; (You will need python 2).

Now extract it somewhere on your computer, run your python shell with administrator rights by right-clicking on an IDLE icon, which looks like a black square on your desktop or start menu, and select the Run as Administrator option of Windows Explorer.

How to Play Google Snake Game with an AI Bot

Google Snake Game

Oscar Chapman/YouTube

To play the Google Snake game with an AI, you will first need to create a Google Snake Game bot and test it out. To do this, go to the play store and search for “Google Snake Game” in the search bar at the top of your screen, then tap on its icon when it appears below search results.  It will now open up; click on “Install.” To make a Bot play, you will  need these:

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Python 3.6+ (this is relatively recent compared to other versions, but I recommend using the latest version because it will give you access to more APIs and libraries)

TensorFlow 1.0+ or OpenAI Gym 1.1+ (these are frameworks for building machine learning models)

OpenCV 3.3+ (a library for computer vision)

Pygame 1.9+ (a game development library for Python)

Pyglet 2.4+ NumPy 1.13+ (a scientific computing library supporting n-dimensional arrays and efficient numerical computation).

If you already have an older version of NumPy installed on your system, it should update automatically when you install the newer one from pip. If not, then just run pip install upgrade numpy. Pillow 5+. PIL 2+. Numpy -1.

To begin, you must import the necessary libraries and design your game Bot. You can make a bot play by:

  • Designing the game so that it is possible for your bot to solve it in a reasonable time frame
  • Make your bot find and move toward the apple (the goal)
  • Telling your Bot how to move towards the apple by writing code that tells it what to do

Importing Necessary Libraries

You must import two main libraries to make a bot play the snake game. The first is for the actual game, and the second is for making a bot play.

The first library we will import is called “Game,” It comes from github.com. To install this library, simply copy and paste its code into your python file (or download it) and add the code line at the top of your file:

Image Processing

Image processing is converting a digital image into a set of numbers. Image processing is used in many fields, including computer vision and medical imaging. The term can also refer to converting any form of information from one representation to another. Still, today the term usually refers to digital image processing (DIP) and its application in photography.

Game Over Detection

To detect game over, you must keep track of the snake’s body and head. You can do this by adding two more variables:

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`snakeBodyPosition` A 2D array that holds the coords of all four points on the snake’s body

`snakeHeadPosition` A 2D array that holds the coords of both ends of your snake’s head

Finding the Apple Coordinates

Now that you have the snake’s coordinates, it’s time to make a bot that can play Snake for us. The first step to making a bot play for you is to find the coordinates of all relevant elements in the Google snake game so you can track them later. You’ll need three sets of coordinates, including:

  • The Apple
  • The snake body (excluding its head and tail)
  • The snake head and tail

Finding Coordinates of the Snake Body

To find the coordinates of the snake body, you need to know its length, width, and height. You can get this information from your own game or from Google Snake’s source code on Github.

The snake body’s center point is at (x + width/2) and (y – height/2). The snake body’s left coordinate is x. The snake body’s right coordinate is x + width. The bottom half will be y-height pixels tall, and centered vertically on top of it will be an image representing its top half at (x – height/2), which has a y coordinate equal to y+height.

Making the Bot Find and Move Towards the Apple

To make your snake bot find the apple, you have to figure out the coordinates of its body parts. This is very easy to do.

To find the coordinates of a part of the snake body, like its head or tail, click on that part with your mouse. Then press CTRL and C (Command + C on Mac) simultaneously to copy it into your computer’s clipboard (the area where the text goes). Then go back to SnakeBot.jsfiddle and paste those coordinates into each corresponding cell under “Body.”

Finally, add a column called “Apple” and put in whatever letter or number corresponds with where you see your apple on the screen (i.e., if it’s on the top left corner, then put “a”).

Kevin Afoma Onwuagbanusi is a freelance writer and a graduate of Mechanical Engineering with 8+ years of experience writing across several niches, with a remarkable likeness to crypto, personal finances, automotive, games, and technology.

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