console_snake/player.py

63 lines
2.1 KiB
Python

from settings import *
from point import Point
from food import Food
class Player:
def __init__(self) -> None:
self.start_direciton = MAIN_DIRECTION
self.direction = MAIN_DIRECTION
self.body = [Point(MAIN_X, MAIN_Y)]
self.food = Food(0, 0)
self.food.generate_new()
self.score = 1
def input(self) -> None:
if self.direction == D_UP:
self.body.append(Point(self.body[-1].x, self.body[-1].y - 1))
elif self.direction == D_DOWN:
self.body.append(Point(self.body[-1].x, self.body[-1].y + 1))
elif self.direction == D_LEFT:
self.body.append(Point(self.body[-1].x - 1, self.body[-1].y))
elif self.direction == D_RIGHT:
self.body.append(Point(self.body[-1].x + 1, self.body[-1].y))
def _check_collision(body: list[Point]) -> None:
for point in 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")
if len(set(body)) != len(body):
raise IndexError("Player has collision with self")
def update(self) -> None:
self.start_direction = self.direction
if self.body[-1] == self.food:
self.food.generate_new()
self.score += 1
else:
self.body.pop(0)
Player._check_collision(self.body)
def left(self, game) -> None:
if not game.is_pause and self.start_direction != D_RIGHT:
self.direction = D_LEFT
def right(self, game) -> None:
if not game.is_pause and self.start_direction != D_LEFT:
self.direction = D_RIGHT
def up(self, game) -> None:
if not game.is_pause and self.start_direction != D_DOWN:
self.direction = D_UP
def down(self, game) -> None:
if not game.is_pause and self.start_direction != D_UP:
self.direction = D_DOWN