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pacman2/scenes/game_objects/ghost.py
2019-12-09 12:36:42 +01:00

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Python
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from enum import Enum
from random import random, randint
from pygame import Surface, draw, Rect, image
from engine.entity import Entity
from engine.resources import res
from engine.components.collide_rect import CollideRect
from engine.components.sprite import Sprite
from .common import S
from .pacdot import PacDot
class Direction(Enum):
UP = 1
DOWN = 2
LEFT = 3
RIGHT = 4
class Ghost(Entity):
SPEED = 1
def __init__(self, x, y):
super().__init__(self.__repr__())
sprite = Sprite(image.load(res('ghost.png')).convert(), 2)
self.add(sprite)
self.phys = CollideRect(Rect(self.x, self.y,
sprite.width, sprite.width),
static=False,
solid=False,
cb=self.on_col)
self.add(self.phys)
self.script = Ghost.script
self.x = x
self.y = y
self.direction = Direction(randint(1, 4))
def on_col(self, c):
if isinstance(c.parent, PacDot):
return
if c.parent.name == 'pacman':
print('Perdu!')
exit(0)
if self.direction == Direction.UP:
self.direction = Direction.RIGHT if random() < .5 \
else Direction.LEFT
return
if self.direction == Direction.RIGHT:
self.direction = Direction.DOWN if random() < .5 \
else Direction.UP
return
if self.direction == Direction.DOWN:
self.direction = Direction.LEFT if random() < .5 \
else Direction.RIGHT
return
if self.direction == Direction.LEFT:
self.direction = Direction.UP if random() < .5 \
else Direction.DOWN
return
def script(self):
if self.direction == Direction.UP:
self.phys.vy = -Ghost.SPEED
self.phys.vx = 0
elif self.direction == Direction.DOWN:
self.phys.vy = Ghost.SPEED
self.phys.vx = 0
elif self.direction == Direction.LEFT:
self.phys.vx = -Ghost.SPEED
self.phys.vy = 0
elif self.direction == Direction.RIGHT:
self.phys.vx = Ghost.SPEED
self.phys.vy = 0