# importing libraries
import pygame
import time
import random
snake_speed = 15
# Window size
window_x = 720
window_y = 480
# defining colors
black = pygame.Color(0, 0, 0)
white = pygame.Color(255, 255, 255)
red = pygame.Color(255, 0, 0)
green = pygame.Color(0, 255, 0)
blue = pygame.Color(0, 0, 255)
# Initialising pygame
pygame.init()
# Initialise game window
pygame.display.set_caption('GeeksforGeeks Snakes')
game_window = pygame.display.set_mode((window_x, window_y))
# FPS (frames per second) controller
fps = pygame.time.Clock()
# defining snake default position
snake_position = [100, 50]
# defining first 4 blocks of snake body
snake_body = [[100, 50],
[90, 50],
[80, 50],
[70, 50]
]
# fruit position
fruit_position = [random.randrange(1, (window_x//10)) * 10,
random.randrange(1, (window_y//10)) * 10]
fruit_spawn = True
# setting default snake direction towards
# right
direction = 'RIGHT'
change_to = direction
# initial score
score = 0
# displaying Score function
def show_score(choice, color, font, size):
# creating font object score_font
score_font = pygame.font.SysFont(font, size)
# create the display surface object
# score_surface
score_surface = score_font.render('Score : ' + str(score), True, color)
# create a rectangular object for the text
# surface object
score_rect = score_surface.get_rect()
# displaying text
game_window.blit(score_surface, score_rect)
# game over function
def game_over():
# creating font object my_font
my_font = pygame.font.SysFont('times new roman', 50)
# creating a text surface on which text
# will be drawn
game_over_surface = my_font.render(
'Your Score is : ' + str(score), True, red)
# create a rectangular object for the text
# surface object
game_over_rect = game_over_surface.get_rect()
# setting position of the text
game_over_rect.midtop = (window_x/2, window_y/4)
# blit will draw the text on screen
game_window.blit(game_over_surface, game_over_rect)
pygame.display.flip()
# after 2 seconds we will quit the program
time.sleep(2)
# deactivating pygame library
pygame.quit()
# quit the program
quit()
# Main Function
while True:
# handling key events
for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
change_to = 'UP'
if event.key == pygame.K_DOWN:
change_to = 'DOWN'
if event.key == pygame.K_LEFT:
change_to = 'LEFT'
if event.key == pygame.K_RIGHT:
change_to = 'RIGHT'
# If two keys pressed simultaneously
# we don't want snake to move into two
# directions simultaneously
if change_to == 'UP' and direction != 'DOWN':
direction = 'UP'
if change_to == 'DOWN' and direction != 'UP':
direction = 'DOWN'
if change_to == 'LEFT' and direction != 'RIGHT':
direction = 'LEFT'
if change_to == 'RIGHT' and direction != 'LEFT':
direction = 'RIGHT'
# Moving the snake
if direction == 'UP':
snake_position[1] -= 10
if direction == 'DOWN':
snake_position[1] += 10
if direction == 'LEFT':
snake_position[0] -= 10
if direction == 'RIGHT':
snake_position[0] += 10
# Snake body growing mechanism
# if fruits and snakes collide then scores
# will be incremented by 10
snake_body.insert(0, list(snake_position))
if snake_position[0] == fruit_position[0] and snake_position[1] == fruit_position[1]:
score += 10
fruit_spawn = False
else:
snake_body.pop()
if not fruit_spawn:
fruit_position = [random.randrange(1, (window_x//10)) * 10,
random.randrange(1, (window_y//10)) * 10]
fruit_spawn = True
game_window.fill(black)
for pos in snake_body:
pygame.draw.rect(game_window, green,
pygame.Rect(pos[0], pos[1], 10, 10))
pygame.draw.rect(game_window, white, pygame.Rect(
fruit_position[0], fruit_position[1], 10, 10))
# Game Over conditions
if snake_position[0] < 0 or snake_position[0] > window_x-10:
game_over()
if snake_position[1] < 0 or snake_position[1] > window_y-10:
game_over()
# Touching the snake body
for block in snake_body[1:]:
if snake_position[0] == block[0] and snake_position[1] == block[1]:
game_over()
# displaying score countinuously
show_score(1, white, 'times new roman', 20)
# Refresh game screen
pygame.display.update()
# Frame Per Second /Refresh Rate
fps.tick(snake_speed)
import turtle
from random import randint
from time import sleep
#create screen
scr = turtle.Screen()
scr.bgcolor('black')
scr.title("Snake Game")
scr.setup(width=600, height=600)
scr.listen()
scr.tracer(0)
#create snake turtle
snake = turtle.Turtle()
snake.shape('square')
snake.color('green')
#user defined property
snake.direction = "stop"
snake.speed(0)
snake.up()
#create fruit turtle
fruit = turtle.Turtle()
fruit.shape('circle')
fruit.color('red')
fruit.shapesize(0.6)
fruit.up()
fruit.goto(50,100)
fruit.speed(0)
#create writer turtle
writer = turtle.Turtle()
writer.color('white')
writer.speed(0)
writer.hideturtle()
writer.up()
writer.score = 0
writer.highscore = 0
#variables
#score = 0
#highscore = 0
# snake body
body_parts = []
def write_score() :
writer.goto(-250,200)
writer.write(f'score : {writer.score}',font=("Comic Sans MS",15,"normal"))
writer.goto(100,200)
writer.write(f'High Score : {writer.highscore}',font=("Comic Sans MS",15,"normal"))
write_score()
def move():
if snake.direction == "up":
snake.sety(snake.ycor() + 20)
if snake.direction == "down":
snake.sety(snake.ycor() - 20)
if snake.direction == "right":
snake.setx(snake.xcor() + 20)
if snake.direction == "left":
snake.setx(snake.xcor() - 20)
def move_right():
if snake.direction != "left":
snake.direction = "right"
def move_left():
if snake.direction != "right":
snake.direction = "left"
def move_up():
if snake.direction != "down":
snake.direction = "up"
def move_down():
if snake.direction != "up":
snake.direction = "down"
#declaration or definition
def control_score():
if snake.distance(fruit) < 16 :
fruit.goto(randint(-250,250),randint(-220,220))
writer.clear()
writer.score += 10
if writer.score > writer.highscore:
writer.highscore = writer.score
write_score()
# Adding segments
new_part = turtle.Turtle()
new_part.speed(0)
new_part.color("Red")
new_part.shape("square")
new_part.pu()
body_parts.append(new_part)
def border_collission():
if snake.xcor()>285 or snake.xcor()<-285 or snake.ycor()>285 or snake.ycor()<-285:
sleep(1)
snake.goto(0,0)
snake.direction = "stop"
writer.clear()
writer.score = 0
write_score()
last_index = len(body_parts) -1
for i in range(last_index, -1, -1):
body_parts[i].hideturtle()
body_parts.clear()
# Snake Body control
def snake_body():
last_index = len(body_parts) - 1
for i in range(last_index, 0, -1):
x = body_parts[i -1].xcor()
y = body_parts[i -1].ycor()
body_parts[i].goto(x, y)
if len(body_parts) > 0:
body_parts[0].goto(snake.xcor(), snake.ycor())
def body_collision():
for i in body_parts:
if snake.distance(i) < 20:
sleep(1)
snake.goto(0,0)
snake.direction = "stop"
writer.clear()
writer.score = 0
write_score()
last_index = len(body_parts) -1
for i in range(last_index, -1, -1):
body_parts[i].hideturtle()
body_parts.clear()
scr.onkey(move_right,"Right")
scr.onkey(move_left,"Left")
scr.onkey(move_up,"Up")
scr.onkey(move_down,"Down")
game_mode = True
while game_mode:
scr.update()
sleep(0.1)
control_score()
snake_body()
move()
border_collission()
body_collision()