Add code

food.py

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+from point import Point
+from random import randint
+from settings import *
+
+
+class Food(Point):
+    def __init__(self, x, y, pl):
+        Point.__init__(self, x, y)
+        self.pl = pl
+
+    def generate_new(self) -> None:
+        self.x = randint(0, WIDTH - 1)
+        self.y = randint(0, HEIGHT - 1)

frame.py

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+from settings import *
+import os
+
+
+class Frame:
+    def __init__(self, width: int, height: int) -> None:
+        self.width = width
+        self.height = height
+        self.matrix = [[SPACE] * width for line in range(height)]
+
+    def __str__(self) -> str:
+        out_string = f"Width:\n  {self.width}\n"
+        out_string += f"Height:\n  {self.height}\n"
+        return out_string
+
+    def draw(
+        self, x: int, y: int,
+        value: int = WALL,
+        width: int = 1, height: int = 1
+    ) -> None:
+        if not isinstance(value, int):
+            raise TypeError("Value must be int")
+
+        for line in range(height):
+            for column in range(width):
+                self.matrix[y + line][x + column] = value
+
+    def show(self) -> None:
+        os.system("clear||cls")
+
+        out_string = f"┍{'━' * (self.width * 2)}┑\n"
+
+        for line in self.matrix:
+            to_str = ''
+
+            to_str += '│'
+            for elem in line:
+                if elem == SPACE:
+                    to_str += "  "
+                elif elem == WALL:
+                    to_str += "██"
+                elif elem == FOOD:
+                    to_str += "@@"
+                elif elem == WALL_FOOD:
+                    to_str += "@█"
+            to_str += '│\n'
+
+            out_string += to_str
+        out_string += f"┕{'━' * (self.width * 2)}┙"
+
+        print(out_string)
+
+    def see(self, x, y) -> str:
+        return self.matrix[y][x]

main.py

@@ -0,0 +1,45 @@
+# from frame import Frame
+from settings import *
+from player import Player
+import keyboard as kb
+from out import Out
+
+
+class Game:
+    def __init__(self) -> None:
+        self.running = True
+        self.pl = Player()
+        self.out = Out()
+
+        kb.add_hotkey(QUIT_BUTTON, self.stop_game)
+        kb.add_hotkey(LEFT_BUTTON, self.pl.left)
+        kb.add_hotkey(RIGHT_BUTTON, self.pl.right)
+        kb.add_hotkey(UP_BUTTON, self.pl.up)
+        kb.add_hotkey(DOWN_BUTTON, self.pl.down)
+
+    def stop_game(self) -> None:
+        self.running = False
+
+    def update(self) -> None:
+        pass
+
+    def output(self) -> None:
+        pass
+
+    def play(self) -> None:
+
+        while self.running:
+            try:
+                self.pl.update()
+                self.out.draw(self.pl)
+            except IndexError as e:
+                self.running = False
+                print(e)
+
+
+def main() -> None:
+    Game().play()
+
+
+if __name__ == '__main__':
+    main()

out.py

@@ -0,0 +1,38 @@
+from settings import *
+from player import Player
+from frame import Frame
+
+
+class Out:
+    def __init__(self) -> None:
+        self.width = WIDTH
+        self.height = HEIGHT
+        self.fps = FPS
+
+    def draw(self, pl: Player) -> None:
+        frame = Frame(self.width, self.height)
+
+        for point in pl.body:
+            if point.x < 0 or point.y < 0:
+                raise IndexError("Snake has collision with walls")
+            elif point.x >= WIDTH or point.y >= HEIGHT:
+                raise IndexError("Snake has collision with walls")
+
+            frame.draw(
+                x=point.x, y=point.y,
+                value=WALL,
+                width=1, height=1
+            )
+
+        if frame.see(pl.food.x, pl.food.y) == WALL:
+            frame.draw(
+                x=pl.food.x, y=pl.food.y,
+                value=WALL_FOOD
+            )
+        else:
+            frame.draw(
+                x=pl.food.x, y=pl.food.y,
+                value=FOOD
+            )
+
+        frame.show()

player.py

@@ -0,0 +1,50 @@
+from settings import *
+from point import Point
+from food import Food
+from time import sleep
+from itertools import permutations
+
+
+class Player:
+    def __init__(self) -> None:
+        self.direction = MAIN_DIRECTION
+        self.body = [Point(MAIN_X, MAIN_Y)]
+
+        self.food = Food(0, 0, self)
+        self.food.generate_new()
+
+    def update(self) -> None:
+        sleep(1 / FPS)
+
+        if self.direction == D_UP:
+            # self.body[0].y -= 1
+            self.body.append(Point(self.body[-1].x, self.body[-1].y - 1))
+        elif self.direction == D_DOWN:
+            # self.body[0].y += 1
+            self.body.append(Point(self.body[-1].x, self.body[-1].y + 1))
+        elif self.direction == D_LEFT:
+            # self.body[0].x -= 1
+            self.body.append(Point(self.body[-1].x - 1, self.body[-1].y))
+        elif self.direction == D_RIGHT:
+            # self.body[0].x += 1
+            self.body.append(Point(self.body[-1].x + 1, self.body[-1].y))
+
+        if self.body[-1] == self.food:
+            self.food.generate_new()
+        else:
+            self.body.pop(0)
+
+        if len(set(self.body)) != len(self.body):
+            raise IndexError("Player has collision with self")
+
+    def left(self) -> None:
+        self.direction = D_LEFT
+
+    def right(self) -> None:
+        self.direction = D_RIGHT
+
+    def up(self) -> None:
+        self.direction = D_UP
+
+    def down(self) -> None:
+        self.direction = D_DOWN

point.py

@@ -0,0 +1,19 @@
+class Point:
+    def __init__(self, x, y):
+        self.x = x
+        self.y = y
+
+    def __eq__(self, other) -> bool:
+        if isinstance(other, Point):
+            if self.x == other.x and self.y == other.y:
+                return True
+            else:
+                return False
+        else:
+            raise TypeError("You can compare only Point with Point")
+
+    def __hash__(self) -> None:
+        return int(f"{self.x}000{self.y}")
+
+    def __str__(self) -> str:
+        return f"{self.x = } | {self.y = }"

settings.py

@@ -0,0 +1,26 @@
+# Main settings
+WIDTH = 20
+HEIGHT = 20
+FPS = 5
+
+# Buttons
+QUIT_BUTTON = 'q'
+LEFT_BUTTON = 'a'
+RIGHT_BUTTON = 'd'
+UP_BUTTON = 'w'
+DOWN_BUTTON = 's'
+
+# Player settings
+D_LEFT = "LEFT"
+D_RIGHT = "RIGHT"
+D_UP = "UP"
+D_DOWN = "DOWN"
+MAIN_DIRECTION = D_DOWN
+MAIN_X = 0
+MAIN_Y = 0
+
+# Out types
+SPACE = 0
+WALL = 1
+FOOD = 2
+WALL_FOOD = 3