├── README.md
└── source code
    └── snake_game.py


/README.md:
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1 | # Snake-game
2 | a snake game made with python language
3 | 


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/source code/snake_game.py:
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  1 | from tkinter import *
  2 | import random
  3 | 
  4 | GAME_WIDTH = 700
  5 | GAME_HEIGHT = 700
  6 | SPEED = 50
  7 | SPACE_SIZE = 50
  8 | BODY_PARTS = 3
  9 | SNAKE_COLOR = "#00FF00"
 10 | FOOD_COLOR = "#FF0000"
 11 | BACKGROUND_COLOR = "#000000"
 12 | 
 13 | 
 14 | class Snake:
 15 | 
 16 |     def __init__(self):
 17 |         self.body_size = BODY_PARTS
 18 |         self.coordinates = []
 19 |         self.squares = []
 20 | 
 21 |         for i in range(0, BODY_PARTS):
 22 |             self.coordinates.append([0, 0])
 23 | 
 24 |         for x, y in self.coordinates:
 25 |             square = canvas.create_rectangle(x, y, x + SPACE_SIZE, y + SPACE_SIZE, fill=SNAKE_COLOR, tag="snake")
 26 |             self.squares.append(square)
 27 | 
 28 | 
 29 | class Food:
 30 | 
 31 |     def __init__(self):
 32 | 
 33 |         x = random.randint(0, (GAME_WIDTH / SPACE_SIZE)-1) * SPACE_SIZE
 34 |         y = random.randint(0, (GAME_HEIGHT / SPACE_SIZE) - 1) * SPACE_SIZE
 35 | 
 36 |         self.coordinates = [x, y]
 37 | 
 38 |         canvas.create_oval(x, y, x + SPACE_SIZE, y + SPACE_SIZE, fill=FOOD_COLOR, tag="food")
 39 | 
 40 | 
 41 | def next_turn(snake, food):
 42 | 
 43 |     x, y = snake.coordinates[0]
 44 | 
 45 |     if direction == "up":
 46 |         y -= SPACE_SIZE
 47 |     elif direction == "down":
 48 |         y += SPACE_SIZE
 49 |     elif direction == "left":
 50 |         x -= SPACE_SIZE
 51 |     elif direction == "right":
 52 |         x += SPACE_SIZE
 53 | 
 54 |     snake.coordinates.insert(0, (x, y))
 55 | 
 56 |     square = canvas.create_rectangle(x, y, x + SPACE_SIZE, y + SPACE_SIZE, fill=SNAKE_COLOR)
 57 | 
 58 |     snake.squares.insert(0, square)
 59 | 
 60 |     if x == food.coordinates[0] and y == food.coordinates[1]:
 61 | 
 62 |         global score
 63 | 
 64 |         score += 1
 65 | 
 66 |         label.config(text="Score:{}".format(score))
 67 | 
 68 |         canvas.delete("food")
 69 | 
 70 |         food = Food()
 71 | 
 72 |     else:
 73 | 
 74 |         del snake.coordinates[-1]
 75 | 
 76 |         canvas.delete(snake.squares[-1])
 77 | 
 78 |         del snake.squares[-1]
 79 | 
 80 |     if check_collisions(snake):
 81 |         game_over()
 82 | 
 83 |     else:
 84 |         window.after(SPEED, next_turn, snake, food)
 85 | 
 86 | 
 87 | def change_direction(new_direction):
 88 | 
 89 |     global direction
 90 | 
 91 |     if new_direction == 'left':
 92 |         if direction != 'right':
 93 |             direction = new_direction
 94 |     elif new_direction == 'right':
 95 |         if direction != 'left':
 96 |             direction = new_direction
 97 |     elif new_direction == 'up':
 98 |         if direction != 'down':
 99 |             direction = new_direction
100 |     elif new_direction == 'down':
101 |         if direction != 'up':
102 |             direction = new_direction
103 | 
104 | 
105 | def check_collisions(snake):
106 | 
107 |     x, y = snake.coordinates[0]
108 | 
109 |     if x < 0 or x >= GAME_WIDTH:
110 |         return True
111 |     elif y < 0 or y >= GAME_HEIGHT:
112 |         return True
113 | 
114 |     for body_part in snake.coordinates[1:]:
115 |         if x == body_part[0] and y == body_part[1]:
116 |             return True
117 | 
118 |     return False
119 | 
120 | 
121 | def game_over():
122 | 
123 |     canvas.delete(ALL)
124 |     canvas.create_text(canvas.winfo_width()/2, canvas.winfo_height()/2,
125 |                        font=('consolas',70), text="GAME OVER", fill="red", tag="gameover")
126 | 
127 | 
128 | window = Tk()
129 | window.title("Snake game")
130 | window.resizable(False, False)
131 | 
132 | score = 0
133 | direction = 'down'
134 | 
135 | label = Label(window, text="Score:{}".format(score), font=('consolas', 40))
136 | label.pack()
137 | 
138 | canvas = Canvas(window, bg=BACKGROUND_COLOR, height=GAME_HEIGHT, width=GAME_WIDTH)
139 | canvas.pack()
140 | 
141 | window.update()
142 | 
143 | window_width = window.winfo_width()
144 | window_height = window.winfo_height()
145 | screen_width = window.winfo_screenwidth()
146 | screen_height = window.winfo_screenheight()
147 | 
148 | x = int((screen_width/2) - (window_width/2))
149 | y = int((screen_height/2) - (window_height/2))
150 | 
151 | window.geometry(f"{window_width}x{window_height}+{x}+{y}")
152 | 
153 | window.bind('<Left>', lambda event: change_direction('left'))
154 | window.bind('<Right>', lambda event: change_direction('right'))
155 | window.bind('<Up>', lambda event: change_direction('up'))
156 | window.bind('<Down>', lambda event: change_direction('down'))
157 | 
158 | snake = Snake()
159 | food = Food()
160 | 
161 | next_turn(snake, food)
162 | 
163 | window.mainloop()
164 | 


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