Screen snake windows code#
Screen snake windows series#

It is a Python list, containing tuples (or pairs) of co-ordinates. We'll also call respawn whenever the snake crashes or dies in other ways, to reset the game. Then we call our internal respawn method which contains the default setup for the snake's length, initial body segment definitions, and starting direction. In the initializer method, we assign these initializer inputs to our internal variables, so that we can use them in other methods later on. This is so we can check if the snake has moved out of bounds. We also pass in bounds, which is a tuple of integers with the width and height of the playable area (the same size as the screen area). This is used for the size of each segment of the snake, as well as for positioning and moving the snake on the board. When we create an instance of our Snake class, we pass in the block_size, which must be an integer with size of each block that makes up our grid. Then, we have the initializer method on the line starting with def _init_. The first few lines are setting up some variables вЂ“ this is not strictly necessary in Python, but it does make it easier to keep track of the variables, or properties, in our class.

Screen snake windows code#

We use this to define the allowable directions the snake can move in, and make code that checks and changes directions easy to read and change, compared to just using numbers or strings to define the directions. The first class in this file is an enumeration, which is a nice way to group together a set of related constants.

Add the following code: from enum import EnumД«ounds = None def _init_( self, block_size, bounds): Let's start by creating a new file called snake.py.

Keeping track of the direction the snake is moving in.

Checking if the snake has crossed over ('bitten') itself.

Checking for collisions with the window boundaries.

Keeping track of the length of the snake.

This class will have the following responsibilities: Now that we have the basic framework, let's create a class to model our snake.

That means everything is initialized and working so far. If you run the project, using the ' Run >' button at the top center of the repl, you should see a small blank window come up. This can be whatever you'd like to call the game. Line 4 gives the window a caption, or title. Line 3 creates a new window for us to display our game in. This tuple contains the dimensions of the window that we'll run our snake game in. Line 2 creates a new tuple called bounds. Line 1 of this code starts up the pygame system, by initializing its modules (for example, the font, sound or graphics code). To get the pygame framework started, we need to add some initialization code: pygame.

We can import it into our project by adding the following line to our main.py file: import pygame We'll use some of the basic functionality when we build this game, to see how it works. It has functionality to draw shapes and images to the screen, get user input, play sounds and more. Getting Started with PygameДЄ commonly used game framework in Python is pygame. Now, give this repl a name, like 'snake-pygame'.ДЄfter the repl has booted up, you should see a main.py file. Head over to Replit and create a new repl. That's a lot to think about! Let's get started and create a project in Replit.

A way to determine if the snake has eaten, or touched, the food.

A way to randomly place the food on the screen.

A way to determine if the snake has crossed over itself (or bitten itself, as another analogy).

A way to determine if the snake has gone out of bounds of the screen.

A way to get steering directions from the player to the snake.

A way to draw the blocks and move them on the screen.

The food then re-appears at another random place on the screen.ДЄ few components we will need to build are: If the snake eats some food (a different type of block), it grows by 1 block. If the snake crosses itself, it also dies. It also has simple rules вЂ“ when the snake touches the sides of the screen, it dies.

Screen snake windows series#

Snake in its basic form is a series of blocks representing a snake moving around a grid, with the player controlling the direction. Let's think a bit about what we need to do. We'll use the Replit web IDE for creating our version of Snake. In this tutorial, we'll implement the most basic form of Snake in pygame It's also a great game to learn the basics of game making from.

In the most basic form, it's a super simple game, but still strangely entertaining. For many people, it was the only game on their phone at that time. Snake was an incredibly popular game, mostly remembered from the 1990s era cell phones. GraphQL part 2: creating a web applicationД¬reating interactive Python plots with matplotlib