def __init__(self, *args, **kwargs):
super(GameWindow, self).__init__(*args, **kwargs)
self.main_batch = pyglet.graphics.Batch()
self.player = load.create_player(self.main_batch)
self.player_lives = load.player_lives(3, self.main_batch)
self.aliens = load.aliens(self.main_batch)
self.game_objects = [self.player] + self.aliens
self.score_label = score.Score(text = "Score: 0", x = 10, y = 10,
batch=self.main_batch)
self.game_over_text = pyglet.text.Label(
text = "Game Over!",
font_size = 26,
x = 100,
y = self.height / 2)
self.game_over_restart_text = pyglet.text.Label(
text = "Press space to restart",
font_size = 26,
x = 100,
y = (self.height / 2) - 50)
self.start_text = pyglet.text.Label(text = "Press space to start",
font_size = 26,
x = 100,
y = self.height / 2)
self.is_paused = True
self.is_game_over = False
def update(self, dt):
if self.is_paused:
return
# Check for collisions
for i in range(len(self.game_objects)):
for j in range(i+1, len(self.game_objects)):
obj_1 = self.game_objects[i]
obj_2 = self.game_objects[j]
if not obj_1.dead and not obj_2.dead:
if obj_1.collides_with(obj_2):
obj_1.handle_collision_with(obj_2)
obj_2.handle_collision_with(obj_1)
# Call update methods of all objects & add any new objects
for obj in self.game_objects:
obj.update(dt)
self.game_objects.extend(obj.new_objects)
obj.new_objects = []
if random.randint(1, 1000) < 5:
self.game_objects.extend([load.create_mothership(self.main_batch)])
to_add = []
# Remove any objects marked as dead
for to_remove in [obj for obj in self.game_objects if obj.dead]:
# Score
if type(to_remove) is type(alien.Alien()):
# Increase alien speed (it gets ridiculous very quickly)
alien.Alien.speed += 0.05
self.score_label.add(100)
self.score_label.update(dt)
if type(to_remove) is type(mothership.Mothership()):
if to_remove.carries_score:
self.score_label.add(500)
self.score_label.update(dt)
# Life handling
if type(to_remove) is type(player.Player()):
# Decrement life counter & respawn handler
if len(self.player_lives) > 0:
del self.player_lives[-1]
# De-register key handlers
self.remove_handlers(to_remove)
self.remove_handlers(to_remove.key_handler)
# Define new player
new_player = load.create_player(self.main_batch)
# Re-register new key handlers
self.push_handlers(new_player)
self.push_handlers(new_player.key_handler)
# Add it to the 'to_add' list
to_add.append(new_player)
else:
"""
Game Over
De-register key handlers:
This prevents errors occurring due to the
lack of a player object :(
"""
self.remove_handlers(to_remove)
self.remove_handlers(to_remove.key_handler)
self.is_paused = True
self.is_game_over = True
to_remove.delete()
self.game_objects.remove(to_remove)
self.game_objects.extend(to_add)