'''
_____ _ __ __ _ _
| __ \| | | \/ | | (_)
| | | | |__ __ _ _ __ ___ __ _ _ __ | \ / |_ _| |_ __ _
| | | | '_ \ / _` | '_ ` _ \ / _` | '__| | |\/| | | | | | |/ _` |
| |__| | | | | (_| | | | | | | (_| | | | | | | |_| | | | (_| |
|_____/|_| |_|\__,_|_| |_| |_|\__,_|_| |_| |_|\__,_|_|_|\__,_|
Python Snake by Dhamar Mulia
'''
import curses
from curses import KEY_RIGHT, KEY_LEFT, KEY_DOWN, KEY_UP
from random import randint
WIDTH = 120
HEIGHT = 30
MAX_X = WIDTH - 2
MAX_Y = HEIGHT - 2
SNAKE_LENGTH = 5
SNAKE_X = SNAKE_LENGTH + 1
SNAKE_Y = 3
TIMEOUT = 100
class Snake(object):
REV_DIR_MAP = {
KEY_UP: KEY_DOWN, KEY_DOWN: KEY_UP,
KEY_LEFT: KEY_RIGHT, KEY_RIGHT: KEY_LEFT,
}
def __init__(self, x, y, window):
self.body_list = []
self.hit_score = 0
self.timeout = TIMEOUT
# buat body snake
for i in range(SNAKE_LENGTH, 0, -1):
self.body_list.append(Body(x - i, y))
# buat kepala snake
self.body_list.append(Body(x, y, '@'))
self.window = window
self.direction = KEY_RIGHT
self.last_head_coor = (x, y)
self.direction_map = {
KEY_UP: self.move_up,
KEY_DOWN: self.move_down,
KEY_LEFT: self.move_left,
KEY_RIGHT: self.move_right
}
@property
def score(self):
return 'Score : {}'.format(self.hit_score)
def add_body(self, body_list):
self.body_list.extend(body_list)
def eat_food(self, food):
food.reset()
body = Body(self.last_head_coor[0], self.last_head_coor[1])
self.body_list.insert(-1, body)
self.hit_score += 1
if self.hit_score % 3 == 0:
self.timeout -= 5
self.window.timeout(self.timeout)
@property
def nabrak(self):
return any([body.coor == self.kepala.coor
for body in self.body_list[:-1]])
def update(self):
# merubah posisi body snake dengan body yg didepannya,
# dimulai dari belakang
# for idx, body in enumerate(self.body_list[:-1]):
# body.x = self.body_list[idx+1].x
# body.y = self.body_list[idx+1].y
last_body = self.body_list.pop(0)
last_body.x = self.body_list[-1].x
last_body.y = self.body_list[-1].y
self.body_list.insert(-1, last_body)
self.last_head_coor = (self.kepala.x, self.kepala.y)
self.direction_map[self.direction]()
def change_direction(self, direction):
if direction != Snake.REV_DIR_MAP[self.direction]:
self.direction = direction
def render(self):
for body in self.body_list:
self.window.addstr(body.y, body.x, body.char)
@property
def kepala(self):
return self.body_list[-1]
@property
def coor(self):
return self.kepala.x, self.kepala.y
def move_up(self):
self.kepala.y -= 1
if self.kepala.y < 1:
self.kepala.y = MAX_Y
def move_down(self):
self.kepala.y += 1
if self.kepala.y > MAX_Y:
self.kepala.y = 1
def move_left(self):
self.kepala.x -= 1
if self.kepala.x < 1:
self.kepala.x = MAX_X
def move_right(self):
self.kepala.x += 1
if self.kepala.x > MAX_X:
self.kepala.x = 1
class Body(object):
def __init__(self, x, y, char='#'):
self.x = x
self.y = y
self.char = char
@property
def coor(self):
return self.x, self.y
class Food(object):
def __init__(self, window, char='*'):
self.x = randint(1, MAX_X)
self.y = randint(1, MAX_Y)
self.char = char
self.window = window
def render(self):
self.window.addstr(self.y, self.x, self.char)
def reset(self):
self.x = randint(1, MAX_X)
self.y = randint(1, MAX_Y)
if __name__ == '__main__':
curses.initscr()
window = curses.newwin(HEIGHT, WIDTH, 0, 0)
window.timeout(TIMEOUT)
window.keypad(1)
curses.noecho()
curses.curs_set(0)
window.border(0)
snake = Snake(SNAKE_X, SNAKE_Y, window)
food = Food(window, '&')
while True:
window.clear()
window.border(0)
snake.render()
food.render()
window.addstr(0, 5, snake.score)
event = window.getch()
if event == 27:
break
if event in [KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT]:
snake.change_direction(event)
if snake.kepala.x == food.x and snake.kepala.y == food.y:
snake.eat_food(food)
if event == 32:
key = -1
while key != 32:
key = window.getch()
snake.update()
if snake.nabrak:
break
curses.endwin()
