def show_landing_message(self):
''' show landing message if success '''
landing_message = random.choice(conf.GAME_MESSAGE_LANDING)
message = String(message=landing_message, fontSize=30, color=WHITE)
message.center()
self.landing_message = StaticObject(sprite=message)
self.landing_message.draw()
''' press 'enter' to reload the game '''
start_game_msg = String(message=conf.MSG_RESTART_GAME, fontSize=20, color=WHITE)
start_game_msg.center(dy=50)
self.start_game_message = StaticObject(sprite=start_game_msg)
self.start_game_message.draw()
def create_stars(self):
"""
create static stars objects in random position
"""
rand_num = random.randrange(10, 70)
for i in range(rand_num):
circle_size = random.randrange(1, 3)
''' draw 'star' and set random position '''
star = Circle(self.window, circle_size)
star.set_random_position()
''' draw star on screen. star will never move '''
stat = StaticObject(self.window, star)
stat.draw()
def create_earth(self):
"""
create earth from image.
set random position for this element
"""
planet_img = None
choice = random.randrange(1, 20)
if choice <= 10:
planet_img = conf.IMG_PLANETS[0]
else:
planet_img = conf.IMG_PLANETS[1]
img = Image(filename=planet_img)
img.set_random_position()
''' draw image on screen '''
earth = StaticObject(self.window, img)
earth.draw()
def check_shield(self):
''' check if lander has shield '''
if self.consumable_item is None:
self.lander.check_if_ship_crash()
else:
has_shield = False
if hasattr(self.consumable_item, conf.ITEM_SHIELD) and self.consumable_item.shield is True:
shield_message = String(message="", fontSize=20, color=WHITE)
shield_message.center(dy=20)
self.shield_message = StaticObject(sprite=shield_message)
self.shield_message.draw()
has_shield = True
if not has_shield:
self.lander.check_if_ship_crash()
class MoonLander(Game):
"""
This is the game
"""
def set_user(self, user):
self.user = user
def set_consumable_item(self, item):
self.consumable_item = item
def get_consumable_item(self):
return self.consumable_item
def restart_game(self, pygame_event=None):
if self.lander.landed:
self.start_game_message.clear()
self.start_game_message = None
self.landing_message.clear()
self.landing_message = None
self.remove_drop_object()
self.draw_static_elements()
self.alien.reset()
self.init_ship()
def create_ground(self):
"""
create lunar ground including space airport
"""
choice = random.randrange(1, 20)
if choice <= 10:
self.create_hard_ground()
else:
self.create_soft_ground()
def create_hard_ground(self):
"""
create hard ground including space airport
"""
airport = None
y = random.randrange(conf.WINHEIGHT-90, conf.WINHEIGHT-20)
p = random.randrange(40, conf.WINWIDTH-120)
x = 0
moon_rocks = []
while x < conf.WINWIDTH:
y += random.randrange(-17, 17)
if y > conf.WINHEIGHT-30:
y = conf.WINHEIGHT-30
if airport is None and x > p:
airport = SpaceAirport((x, y), filename = conf.IMG_SPACE_AIRPORT_GROUND)
''' 110 - airport size '''
x += 110
else:
r = MoonRock((x, y), image=conf.IMG_HARD_GROUND)
moon_rocks.append(r.rect)
x += 10
self.airport = airport
self.moon_rocks = moon_rocks
def create_soft_ground(self):
"""
create soft lunar ground including space airport
"""
airport = None
x = 0
y = conf.WINHEIGHT - 60
moon_rocks = []
rect_rock = MoonRock((x, y), image=conf.IMG_SOFT_GROUND)
moon_rocks.append(rect_rock.rect)
x += random.randrange(50, 600)
if airport is None:
airport = SpaceAirport((x, y))
self.airport = airport
self.moon_rocks = moon_rocks
def create_earth(self):
"""
create earth from image.
set random position for this element
"""
planet_img = None
choice = random.randrange(1, 20)
if choice <= 10:
planet_img = conf.IMG_PLANETS[0]
else:
planet_img = conf.IMG_PLANETS[1]
img = Image(filename=planet_img)
img.set_random_position()
''' draw image on screen '''
earth = StaticObject(self.window, img)
earth.draw()
def create_stars(self):
"""
create static stars objects in random position
"""
rand_num = random.randrange(10, 70)
for i in range(rand_num):
circle_size = random.randrange(1, 3)
''' draw 'star' and set random position '''
star = Circle(self.window, circle_size)
star.set_random_position()
''' draw star on screen. star will never move '''
stat = StaticObject(self.window, star)
stat.draw()
def create_ship(self):
"""
create ship.
with this ship we will land on the moon
"""
if self.lander is None:
if hasattr(self, "consumable_item"):
self.lander = Lander(consumable=self.get_consumable_item())
else:
self.lander = Lander()
self.init_ship()
''' load fuel '''
self.lander.refuel()
''' check if user buy fuel pack '''
if hasattr(self, "consumable_item"):
if hasattr(self.get_consumable_item(), conf.ITEM_FUEL_PACK):
if self.consumable_item.fuelpack is True:
print "slow burning!"
self.lander.fuel.burn_slow()
''' add lander '''
self.sprites.add(self.lander)
self.sprites.add(self.lander.fuel, level=-1)
def init_ship(self):
"""
init ship
"""
self.lander.reset()
self.set_ship_position()
self.lander.pause()
def set_ship_position(self):
"""
set ship random position on screen
"""
airportX, airportY = self.airport.get_position()
self.lander.set_randomPosition()
''' set random position for ship '''
ship_pos_x, ship_pos_y = self.lander.get_position()
while airportX - 100 < ship_pos_x < airportX + 180:
self.lander.set_randomPosition()
ship_pos_x, ship_pos_y = self.lander.path.get_position()
''' move ship to new position '''
self.lander.move()
def drop_asteroid(self):
""" drop asteroid in random position """
obj = Asteroid()
rand_x_position = random.randrange(20, 700)
position = (rand_x_position, -50)
obj.path.set_position(position)
obj.path.set_velocity(vx=0.10, vy=0.05)
obj.move()
self.sprites.add(obj)
self.asteroid_drop_object = obj
def remove_asteroid(self):
if self.asteroid_drop_object is not None:
self.sprites.remove(self.asteroid_drop_object)
self.asteroid_drop_object = None
def drop_object(self, bomb=False):
''' drop fuel -or- missile by the alien ship '''
obj = DropObject()
''' set object type: bomb or fuel '''
obj.set_bomb(bomb)
obj.path.set_position(self.alien.path.get_position())
obj.move()
self.sprites.add(obj)
self.alien_drop_object = obj
def remove_drop_object(self):
if self.alien_drop_object is not None:
self.sprites.remove(self.alien_drop_object)
self.alien_drop_object = None
def check_shield(self):
''' check if lander has shield '''
if self.consumable_item is None:
self.lander.check_if_ship_crash()
else:
has_shield = False
if hasattr(self.consumable_item, conf.ITEM_SHIELD) and self.consumable_item.shield is True:
shield_message = String(message="", fontSize=20, color=WHITE)
shield_message.center(dy=20)
self.shield_message = StaticObject(sprite=shield_message)
self.shield_message.draw()
has_shield = True
if not has_shield:
self.lander.check_if_ship_crash()
def create_alien_ship(self):
''' create alien ship and render on screen '''
if self.alien is None:
self.alien = AlienShip()
self.sprites.add(self.alien)
self.alien.reset()
def set_score(self):
""" draw score on screen """
score = Score(self.window, (20, 40), text=conf.MSG_SCORE_LANDING, color=GRAY)
self.score = score
self.sprites.add(score)
def restart(self):
self.remove_drop_object()
self.alien_drop_object = None
self.remove_asteroid()
self.asteroid_drop_object = None
self.sprites.remove(self.score)
self.sprites.remove(self.lander)
self.sprites.remove(self.lander.fuel)
self.start()
def show_landing_message(self):
''' show landing message if success '''
landing_message = random.choice(conf.GAME_MESSAGE_LANDING)
message = String(message=landing_message, fontSize=30, color=WHITE)
message.center()
self.landing_message = StaticObject(sprite=message)
self.landing_message.draw()
''' press 'enter' to reload the game '''
start_game_msg = String(message=conf.MSG_RESTART_GAME, fontSize=20, color=WHITE)
start_game_msg.center(dy=50)
self.start_game_message = StaticObject(sprite=start_game_msg)
self.start_game_message.draw()
def check_collision(self):
"""
Check ship collision with objects (airport, rocks, alien ship, fuel)
Here will apply consumable item from store if exist.
"""
''' check if ship landed '''
if self.lander.collide(self.airport):
ship_pos_x, ship_pos_y = self.lander.get_position()
coord_x = self.lander.cx
airport_pos_x, airport_pos_y = self.airport.get_position()
if ship_pos_x-coord_x > airport_pos_x and ship_pos_x-coord_x < airport_pos_x + 25 and self.lander.vertical():
''' the ship landed successfully '''
if not self.lander.landed:
''' set congratulation message and update user score '''
self.show_landing_message()
self.score.add(conf.MIN_POINT_TO_GET)
self.score.set_score()
self.lander.landing_ship(airport_pos_y)
return
else:
''' we miss the landing! the ship crashed. '''
penalty = self.lander.check_if_ship_crash()
if penalty:
self.score.subtract(conf.MIN_POINT_TO_GET)
self.score.set_score()
return
''' check ship collision with ground '''
if self.lander.crect.collidelist(self.moon_rocks) != -1:
self.lander.check_if_ship_crash()
''' check collision with alien ship '''
if self.lander.collide(self.alien):
''' here our ship will crash '''
self.lander.check_if_ship_crash()
self.alien.path.approach()
''' check collision with asteroid '''
if self.asteroid_drop_object:
if self.lander.collide(self.asteroid_drop_object):
self.lander.check_if_ship_crash()
self.remove_asteroid()
else:
''' check collision with ground. if collide then remove object from screen '''
if self.asteroid_drop_object.crect.collidelist(self.moon_rocks) != -1:
self.remove_asteroid()
''' check colission with dropped object '''
if self.alien_drop_object is not None:
if not self.lander.crashed and not self.lander.landed:
if self.lander.collide(self.alien_drop_object):
''' if alien drop a bomb then lander will crash if has no shield '''
if self.alien_drop_object.is_bomb():
''' check if lander has shield '''
self.check_shield()
self.remove_drop_object()
else:
self.lander.fuel.reset()
self.remove_drop_object()
self.alien_drop_object = None
def start(self):
''' before start, draw game elements '''
self.draw_static_elements()
self.create_ship()
self.set_score()
self.create_alien_ship()
self.drop_asteroid()
def load_controls(self):
''' engine - use UP, LEFT-CONTROL '''
self.events.add(Event.KEYDOWN_Event(key=K_UP, callback=self.lander.start_engine))
self.events.add(Event.KEYDOWN_Event(key=K_LCTRL, callback=self.lander.start_engine))
self.events.add(Event.KEYUP_Event(key=K_UP, callback=self.lander.stop_engine))
self.events.add(Event.KEYUP_Event(key=K_LCTRL, callback=self.lander.stop_engine))
''' to turn left/right use LEFT, RIGHT arrows '''
self.events.add(Event.KEYDOWN_Event(key=K_LEFT, callback=self.lander.flap_left))
self.events.add(Event.KEYDOWN_Event(key=K_RIGHT, callback=self.lander.flap_right))
self.events.add(Event.KEYUP_Event(key=K_LEFT, callback=self.lander.flap_left_stop))
self.events.add(Event.KEYUP_Event(key=K_RIGHT, callback=self.lander.flap_right_stop))
''' restart game after landing use ENTER key '''
self.events.add(Event.KEYUP_Event(key=K_RETURN, callback=self.restart_game))
def initialize(self):
"""
init game and set controls
"""
self.window.set_title('Moon Lander')
self.over = 0
self.lander = None
self.alien = None
self.alien_drop_object = None
self.asteroid_drop_object = None
self.explosion = None
self.shield_message = None
def draw_static_elements(self):
"""
draw static elements like earth, stars and ground
and set background color (black)
"""
self.set_background(color=BLACK)
self.create_stars()
self.create_earth()
self.create_ground()
def run(self):
"""
this method will run the game
"""
self.start()
self.load_controls()
self.init_ship()
crashed, empty, over = 0, 0, 0
''' move lander '''
self.lander.moving_on_path()
''' if user not quit, then run the game '''
while not self.quit:
''' run game at max_fps - see conf file '''
conf.ticks = self.clock.tick(conf.MAX_FPS)
self.sprites.clear()
self.check_events()
self.sprites.move()
''' if no lander set on the screen then create ship '''
if not self.lander.is_on_screen(150):
self.init_ship()
if self.lander.crashed:
pygame.time.wait(900)
self.lander.moving_on_path()
''' check object collision '''
self.check_collision()
if self.alien_drop_object is None:
if self.alien.object_dropped:
random_object_type = random.choice([True, False])
''' alien ship drop random object '''
self.drop_object(random_object_type)
elif self.alien_drop_object.gone():
self.remove_drop_object()
''' drop asteroid in random position'''
if self.asteroid_drop_object is None:
self.drop_asteroid()
elif self.asteroid_drop_object.gone():
self.remove_asteroid()
''' if no fuel in tank then end the game '''
if self.lander.fuel.empty():
if self.lander.landed:
over = 1
elif empty and self.lander.crashed:
crashed = 1
elif empty and crashed and not self.lander.crashed:
over = 1
else:
empty = 1
dirty = self.sprites.draw()
pygame.display.update(dirty)
''' if game is over do something :) '''
if over:
import time
if hasattr(self, 'landing_message') and self.landing_message is not None:
self.landing_message.clear()
self.landing_message = None
self.start_game_message.clear()
self.start_game_message = None
self.show_game_over()
if not self.quit:
self.restart()
over, empty, crashed = 0, 0, 0
def __init__(self, filename, pos):
img = Image(filename=filename, colorkey=TRANSPARENT2)
img.set_position(pos)
StaticObject.__init__(self, sprite=img)
self.draw()