This code is a Python implementation of the classic Snake game using the Turtle graphics library. Here's an overview of the code:
-
Imports:
turtle
: Used for creating graphics and handling user input.time
: Used for introducing delays in the game loop.random
: Used for generating random positions and properties.winsound
: Used for playing a sound when certain events occur.
-
Setting up the screen:
- The code creates a Turtle graphics screen with a specified size and background color.
- The Snake game window has a title, background image ("background.png"), and a size of 600x600 pixels.
-
Snake Initialization:
- A turtle named
snake
is created to represent the snake in the game. - The snake starts as a red square at coordinates (0, 100).
- The snake's properties such as color, speed, and shape are set.
- A turtle named
-
Score Display:
- The code initializes a turtle named
score_table
to display the current score and high score. - The initial score and high score are set to 0.
- The code initializes a turtle named
-
Food Initialization:
- A turtle named
food
is created to represent the food in the game. - The food has random colors and shapes (square, triangle, or circle).
- The initial position of the food is set to (0, 0).
- A turtle named
-
Snake Body:
- A list named
body
is used to keep track of the snake's body parts. - The
add_body
function creates a new turtle and appends it to the body list.
- A list named
-
Functions for Movement:
- Functions (
go_up
,go_down
,go_left
,go_right
) change the direction of the snake. - The
move
function updates the snake's position based on its direction.
- Functions (
-
Speed Control:
- The snake's speed can be increased or decreased using the
speed_up
andspeed_down
functions. - The spacebar (
'space'
) is used to activate the speed boost.
- The snake's speed can be increased or decreased using the
-
Input Handling:
- Arrow keys and spacebar are used for controlling the snake and adjusting its speed.
-
Game Loop:
- The main game loop (
while True
) continually updates the game state. - It checks for collisions with the screen boundaries and handles the game over scenario.
- If the snake eats the food, it updates the score, creates a new food, and adjusts the snake's speed.
- The main game loop (
-
Sound Effects:
- The
winsound
library is used to play a sound when the snake collides with the screen boundaries or eats the food.
- The
-
Body Movement:
- The code handles the movement of the snake's body when it grows longer.
-
Time Delay:
- The
time.sleep(speed)
statement controls the speed of the game loop, introducing a delay based on the snake's speed.
- The
Note: The code uses the Windows-specific winsound
library for sound effects, so it might not work on non-Windows systems without modification. Additionally, the code has a perpetual game loop (while True
) which typically should be part of a more controlled game loop, especially in graphical user interface (GUI) applications.