Created
July 8, 2014 21:45
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import sys | |
import curses | |
from curses import KEY_ENTER | |
import time | |
from collections import namedtuple | |
KEY = "KEY" | |
K_A = ord("a") | |
K_D = ord("d") | |
class Point: | |
def __init__(self, x, y): | |
self._x = x | |
self._y = y | |
@property | |
def x(self): | |
return self._x | |
@x.setter | |
def x(self, val): | |
self._x = val | |
@property | |
def y(self): | |
return self._y | |
@y.setter | |
def y(self, val): | |
self._y = val | |
Event = namedtuple("Event", ["type", "val"]) | |
class Spaceship(object): | |
def __init__(self, border): | |
self._image = "<i>" | |
self._dx = 1 | |
self._last_dx = 0 | |
self.border = border | |
self._pos = Point(self.border.x // 2, self.border.y - 1) | |
def events(self, event): | |
if event.type == KEY: | |
if event.val == K_A: | |
self._dx = -1 | |
if event.val == K_D: | |
self._dx = 1 | |
def update(self): | |
if self._pos.x == self.border.x - len(self._image) - 1: | |
self._pos.x = 0 | |
elif self._pos.x == 1 and self._last_dx == -1: | |
self._pos.x = self.border.x - len(self._image) + 1 | |
print(self._pos.x, self._pos.y) | |
self._pos.x += self._dx | |
self._last_dx = self._dx | |
self._dx = 0 | |
def draw(self, screen): | |
screen.addstr(self._pos.y, self._pos.x, self._image, curses.A_BOLD) | |
class App(object): | |
def __init__(self): | |
self.screen = curses.initscr() | |
#self.screen.nodelay(True) | |
self.screen.keypad(True) | |
curses.noecho() | |
curses.cbreak() | |
curses.curs_set(False) | |
self.border = namedtuple("border", ["y", "x"])(*self.screen.getmaxyx()) | |
self.spaceship = Spaceship(self.border) | |
self._objects = [] | |
self._objects.append(self.spaceship) | |
def deinit(self): | |
#self.screen.nodelay(False) | |
self.screen.keypad(False) | |
curses.nocbreak() | |
curses.echo() | |
curses.curs_set(True) | |
curses.endwin() | |
def events(self): | |
c = self.screen.getch() | |
if c == KEY_ENTER or c == 10: | |
#self.deinit() | |
sys.exit(1) | |
else: | |
for o in self._objects: | |
o.events(Event(type="KEY", val=c)) | |
def update(self): | |
for o in self._objects: | |
o.update() | |
def render(self): | |
self.screen.clear() | |
for o in self._objects: | |
o.draw(self.screen) | |
self.screen.refresh() | |
time.sleep(0.2) | |
def loop(self): | |
while True: | |
self.events() | |
self.update() | |
self.render() | |
def main(): | |
app = App() | |
app.loop() | |
if __name__ == "__main__": | |
main() |
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