class SpaceGame(GameApp):
def init_game(self):
self.ship = Ship(self, CANVAS_WIDTH // 2, CANVAS_HEIGHT // 2)
self.level = StatusWithText(self, 100, 580, 'Level: %d', 1)
self.level_wait = 0
# StatusWithText encap
self.score = StatusWithText(self, 100, 20, 'Score: %d', 0)
self.score_wait = 0
self.bomb_power = StatusWithText(self, 700, 20, 'Power: %d%%', BOMB_FULL_POWER)
self.bomb_wait = 0
self.elements.append(self.ship)
self.enemies = []
self.bullets = []
# strategy pattern
self.enemy_creation_strategies = [
(0.2, StarEnemyGenerationStrategy()),
(1.0, EdgeEnemyGenerationStrategy())
]
# CoR pattern
self.init_key_handlers()
# canvas configure
self.canvas.configure(bg="darkgray")
for item in [self.level, self.score, self.bomb_power]:
self.canvas.itemconfigure(item.label_text.canvas_object_id, fill="white")
def add_enemy(self, enemy):
self.enemies.append(enemy)
def add_bullet(self, bullet):
self.bullets.append(bullet)
def bullet_count(self):
return len(self.bullets)
### START: bomb improvement ###
def bomb(self):
if self.bomb_power.value == BOMB_FULL_POWER:
self.bomb_power.value = 0
self.create_bomb()
self.process_bomb_destruction()
def create_bomb(self):
self.bomb_canvas_id = self.canvas.create_oval(
self.ship.x - BOMB_RADIUS,
self.ship.y - BOMB_RADIUS,
self.ship.x + BOMB_RADIUS,
self.ship.y + BOMB_RADIUS
)
self.after(200, lambda: self.canvas.delete(self.bomb_canvas_id))
def process_bomb_destruction(self):
for e in self.enemies:
if self.ship.distance_to(e) <= BOMB_RADIUS:
e.to_be_deleted = True
### END: bomb improvement ###
def update_score(self):
self.score_wait += 1
if self.score_wait >= SCORE_WAIT:
self.score.value += 1
self.score_wait = 0
def update_bomb_power(self):
self.bomb_wait += 1
if (self.bomb_wait >= BOMB_WAIT) and (self.bomb_power.value != BOMB_FULL_POWER):
self.bomb_power.value += 1
self.bomb_wait = 0
def update_level(self):
self.level_wait += 1
if self.level_wait >= LEVEL_WAIT:
self.level.value += 1
self.level_wait = 0
# add more enemies
if self.level.value % 20 == 0:
self.enemy_creation_strategies.append((0.2, StarEnemyGenerationStrategy()))
self.enemy_creation_strategies.append((1.0, EdgeEnemyGenerationStrategy()))
def create_enemies(self):
p = random()
for prob, strategy in self.enemy_creation_strategies:
if p < prob:
enemies = strategy.generate(self, self.ship)
break
for e in enemies:
self.add_enemy(e)
def pre_update(self):
# raise more enemies creation chance by level
if random() < 0.05 * self.level.value:
self.create_enemies()
def process_bullet_enemy_collisions(self):
for b in self.bullets:
for e in self.enemies:
if b.is_colliding_with_enemy(e):
b.to_be_deleted = True
e.to_be_deleted = True
def process_ship_enemy_collision(self):
for e in self.enemies:
if self.ship.is_colliding_with_enemy(e):
self.stop_animation()
# ship edge collision
def process_ship_edge_collision(self):
w, h = CANVAS_WIDTH, CANVAS_HEIGHT
x, y = self.ship.x, self.ship.y
if not (0 <= x <= w and 0 <= y <= h):
self.stop_animation()
def process_collisions(self):
self.process_bullet_enemy_collisions()
self.process_ship_enemy_collision()
self.process_ship_edge_collision()
def update_and_filter_deleted(self, elements):
new_list = []
for e in elements:
e.update()
e.render()
if e.to_be_deleted:
e.delete()
else:
new_list.append(e)
return new_list
def post_update(self):
self.process_collisions()
self.bullets = self.update_and_filter_deleted(self.bullets)
self.enemies = self.update_and_filter_deleted(self.enemies)
self.update_score()
self.update_bomb_power()
self.update_level()
# CoR pattern
def init_key_handlers(self):
key_pressed_handler = ShipMovementKeyPressedHandler(self, self.ship)
key_pressed_handler = BombKeyPressedHandler(self, self.ship, key_pressed_handler)
self.key_pressed_handler = key_pressed_handler
key_released_handler = ShipMovementKeyReleasedHandler(self, self.ship)
self.key_released_handler = key_released_handler
class SpaceGame(GameApp):
def init_game(self):
self.ship = Ship(self, CANVAS_WIDTH // 2, CANVAS_HEIGHT // 2)
self.score_wait = 0
self.level = 1
self.level_text = Text(self, '', 100, 580)
self.update_level_text()
self.score = StatusWithText(self, 100, 20, 'Score: %d', 0)
self.bomb_power = BOMB_FULL_POWER
self.bomb_wait = 0
self.bomb_power_text = Text(self, '', 700, 20)
self.update_bomb_power_text()
self.elements.append(self.ship)
self.power_up = []
self.enemies = []
self.bullets = []
self.enemy_creation_strategies = [
StarEnemyGenerationStrategy(),
EdgeEnemyGenerationStrategy(),
GhostEnemyGenerationStrategy()
]
self.init_key_handlers()
def init_key_handlers(self):
key_pressed_handler = ShipMovementKeyPressedHandler(self, self.ship)
key_pressed_handler = BombKeyPressedHandler(self, self.ship,
key_pressed_handler)
self.key_pressed_handler = key_pressed_handler
key_released_handler = ShipMovementKeyReleasedHandler(self, self.ship)
self.key_released_handler = key_released_handler
def create_enemies(self):
p = random()
for i in range(len(self.enemy_creation_strategies)):
if p < 0.2:
enemies = self.enemy_creation_strategies[0].generate(
self, self.ship)
break
elif p < 0.5:
enemies = self.enemy_creation_strategies[1].generate(
self, self.ship)
else:
enemies = self.enemy_creation_strategies[2].generate(
self, self.ship)
for e in enemies:
self.add_enemy(e)
def add_enemy(self, enemy):
self.enemies.append(enemy)
def add_bullet(self, bullet):
self.bullets.append(bullet)
def bullet_count(self):
return len(self.bullets)
def powerup(self):
self.create_power_up()
self.after_function(15000, self.canvas.delete(self.bomb_canvas_id))
def create_power_up(self):
pass
def bomb(self):
if self.bomb_power == BOMB_FULL_POWER:
self.bomb_power = 0
self.bomb_canvas_id = self.canvas.create_oval(
self.ship.x - BOMB_RADIUS, self.ship.y - BOMB_RADIUS,
self.ship.x + BOMB_RADIUS, self.ship.y + BOMB_RADIUS)
self.after(200, lambda: self.canvas.delete(self.bomb_canvas_id))
for e in self.enemies:
if self.ship.distance_to(e) <= BOMB_RADIUS:
e.to_be_deleted = True
def create_bomb(self):
self.bomb_canvas_id = self.canvas.create_oval(
self.ship.x - BOMB_RADIUS, self.ship.y - BOMB_RADIUS,
self.ship.x + BOMB_RADIUS, self.ship.y + BOMB_RADIUS)
def enemy_distroyed_by_bomb(self):
for e in self.enemies:
if self.ship.distance_to(e) <= BOMB_RADIUS:
e.to_be_deleted = True
# def update_score_text(self):
# self.score_text.set_text('Score: %d' % self.score)
def update_bomb_power_text(self):
self.bomb_power_text.set_text('Power: %d%%' % self.bomb_power)
def update_level_text(self):
self.level_text.set_text('Level: %d' % self.level)
def update_score(self):
self.score_wait += 1
if self.score_wait >= SCORE_WAIT:
# self.score += 1
self.score.value += 1
self.score_wait = 0
# self.update_score_text()
def update_bomb_power(self):
self.bomb_wait += 1
if (self.bomb_wait >= BOMB_WAIT) and (self.bomb_power !=
BOMB_FULL_POWER):
self.bomb_power += 1
self.bomb_wait = 0
self.update_bomb_power_text()
# def create_enemy_star(self):
# enemies = []
#
# x = randint(100, CANVAS_WIDTH - 100)
# y = randint(100, CANVAS_HEIGHT - 100)
#
# while vector_len(x - self.ship.x, y - self.ship.y) < 200:
# x = randint(100, CANVAS_WIDTH - 100)
# y = randint(100, CANVAS_HEIGHT - 100)
#
# for d in range(18):
# dx, dy = direction_to_dxdy(d * 20)
# enemy = Enemy(self, x, y, dx * ENEMY_BASE_SPEED, dy * ENEMY_BASE_SPEED)
# enemies.append(enemy)
#
# return enemies
# def create_enemy_from_edges(self):
# x, y = random_edge_position()
# vx, vy = normalize_vector(self.ship.x - x, self.ship.y - y)
#
# vx *= ENEMY_BASE_SPEED
# vy *= ENEMY_BASE_SPEED
#
# enemy = Enemy(self, x, y, vx, vy)
# return [enemy]
def pre_update(self):
if random() < 0.1:
self.create_enemies()
def process_bullet_enemy_collisions(self):
for b in self.bullets:
for e in self.enemies:
if b.is_colliding_with_enemy(e):
b.to_be_deleted = True
e.to_be_deleted = True
def process_ship_enemy_collision(self):
for e in self.enemies:
if self.ship.is_colliding_with_enemy(e):
self.stop_animation()
def process_collisions(self):
self.process_bullet_enemy_collisions()
# self.process_ship_enemy_collision()
def update_and_filter_deleted(self, elements):
new_list = []
for e in elements:
e.update()
e.render()
if e.to_be_deleted:
e.delete()
else:
new_list.append(e)
return new_list
def post_update(self):
self.process_collisions()
self.bullets = self.update_and_filter_deleted(self.bullets)
self.enemies = self.update_and_filter_deleted(self.enemies)
self.update_score()
self.update_bomb_power()
class SpaceGame(GameApp):
def init_game(self):
self.ship = Ship(self, CANVAS_WIDTH // 2, CANVAS_HEIGHT // 2)
self.level = 1
self.level_text = Text(self, '', 100, 580)
self.update_level_text()
self.score_wait = 0
self.score = StatusWithText(self, 100, 20, 'Score: %d', 0)
self.bomb_power = BOMB_FULL_POWER
self.bomb_wait = 0
self.bomb_power_text = Text(self, '', 700, 20)
self.update_bomb_power_text()
self.elements.append(self.ship)
self.enemies = []
self.bullets = []
self.enemy_creation_strategies = [(0.2, StarEnemyGenerationStrategy()),
(1.0, EdgeEnemyGenerationStrategy())]
self.init_key_handlers()
def add_enemy(self, enemy):
self.enemies.append(enemy)
def add_bullet(self, bullet):
self.bullets.append(bullet)
def bullet_count(self):
return len(self.bullets)
def bomb(self):
if self.bomb_power == BOMB_FULL_POWER:
self.bomb_power = 0
self.bomb_canvas_id = self.canvas.create_oval(
self.ship.x - BOMB_RADIUS, self.ship.y - BOMB_RADIUS,
self.ship.x + BOMB_RADIUS, self.ship.y + BOMB_RADIUS)
self.after(200, lambda: self.canvas.delete(self.bomb_canvas_id))
for e in self.enemies:
if self.ship.distance_to(e) <= BOMB_RADIUS:
e.to_be_deleted = True
self.update_bomb_power_text()
def update_bomb_power_text(self):
self.bomb_power_text.set_text('Power: %d%%' % self.bomb_power)
def update_level_text(self):
self.level_text.set_text('Level: %d' % self.level)
def update_score(self):
self.score_wait += 1
if self.score_wait >= SCORE_WAIT:
self.score.value += 1
self.score_wait = 0
def update_bomb_power(self):
self.bomb_wait += 1
if (self.bomb_wait >= BOMB_WAIT) and (self.bomb_power !=
BOMB_FULL_POWER):
self.bomb_power += 1
self.bomb_wait = 0
self.update_bomb_power_text()
def create_enemies(self):
p = random()
for prob, strategy in self.enemy_creation_strategies:
if p < prob:
enemies = strategy.generate(self, self.ship)
break
for e in enemies:
self.add_enemy(e)
def pre_update(self):
if random() < 0.1:
self.create_enemies()
def process_bullet_enemy_collisions(self):
for b in self.bullets:
for e in self.enemies:
if b.is_colliding_with_enemy(e):
b.to_be_deleted = True
e.to_be_deleted = True
def process_ship_enemy_collision(self):
for e in self.enemies:
if self.ship.is_colliding_with_enemy(e):
self.stop_animation()
def process_collisions(self):
self.process_bullet_enemy_collisions()
self.process_ship_enemy_collision()
def update_and_filter_deleted(self, elements):
new_list = []
for e in elements:
e.update()
e.render()
if e.to_be_deleted:
e.delete()
else:
new_list.append(e)
return new_list
def post_update(self):
self.process_collisions()
self.bullets = self.update_and_filter_deleted(self.bullets)
self.enemies = self.update_and_filter_deleted(self.enemies)
self.update_score()
self.update_bomb_power()
def init_key_handlers(self):
key_pressed_handler = ShipMovementKeyPressedHandler(self, self.ship)
key_pressed_handler = BombKeyPressedHandler(self, self.ship,
key_pressed_handler)
self.key_pressed_handler = key_pressed_handler
key_released_handler = ShipMovementKeyReleasedHandler(self, self.ship)
self.key_released_handler = key_released_handler
class SpaceGame(GameApp):
def init_game(self):
self.ship = Ship(self, CANVAS_WIDTH // 2, CANVAS_HEIGHT // 2)
self.level = StatusWithText(self, 100, 580, 'Level: %d', 0)
self.score_wait = 0
self.score = StatusWithText(self, 100, 20, 'Score: %d', 0)
self.bomb_wait = 0
self.bomb_power = StatusWithText(self, 700, 20, 'Power: %d%%', 0)
self.elements.append(self.ship)
self.enemy_creation_strategies = [(0.2, StarEnemyGenerationStrategy()),
(1.0, EdgeEnemyGenerationStrategy())]
self.init_key_handlers()
self.enemies = []
self.bullets = []
def add_enemy(self, enemy):
self.enemies.append(enemy)
def add_bullet(self, bullet):
self.bullets.append(bullet)
def bullet_count(self):
return len(self.bullets)
def bomb(self):
if self.bomb_power.value == BOMB_FULL_POWER:
self.bomb_power.value = 0
self.bomb_circle
self.after(200, lambda: self.canvas.delete(self.bomb_canvas_id))
self.enemy_destroying
def bomb_circle(self):
self.bomb_canvas_id = self.canvas.create_oval(
self.ship.x - BOMB_RADIUS, self.ship.y - BOMB_RADIUS,
self.ship.x + BOMB_RADIUS, self.ship.y + BOMB_RADIUS)
def enemy_destroying(self):
for e in self.enemies:
if self.ship.distance_to(e) <= BOMB_RADIUS:
e.to_be_deleted = True
def update_score(self):
self.score_wait += 1
if self.score_wait >= SCORE_WAIT:
self.score_wait = 0
self.score.value += 1
def update_bomb_power(self):
self.bomb_wait += 1
if (self.bomb_wait >= BOMB_WAIT) and (self.bomb_power.value !=
BOMB_FULL_POWER):
self.bomb_power.value += 1
self.bomb_wait = 0
def create_enemy_star(self):
enemies = []
x = randint(100, CANVAS_WIDTH - 100)
y = randint(100, CANVAS_HEIGHT - 100)
while vector_len(x - self.ship.x, y - self.ship.y) < 200:
x = randint(100, CANVAS_WIDTH - 100)
y = randint(100, CANVAS_HEIGHT - 100)
for d in range(18):
dx, dy = direction_to_dxdy(d * 20)
enemy = Enemy(self, x, y, dx * ENEMY_BASE_SPEED,
dy * ENEMY_BASE_SPEED)
enemies.append(enemy)
return enemies
def create_enemy_from_edges(self):
x, y = random_edge_position()
vx, vy = normalize_vector(self.ship.x - x, self.ship.y - y)
vx *= ENEMY_BASE_SPEED
vy *= ENEMY_BASE_SPEED
enemy = Enemy(self, x, y, vx, vy)
return [enemy]
def create_enemies(self):
p = random()
for prob, strategy in self.enemy_creation_strategies:
if p < prob:
enemies = strategy.generate(self, self.ship)
break
for e in enemies:
self.add_enemy(e)
def pre_update(self):
if random() < 0.1:
self.create_enemies()
def process_bullet_enemy_collisions(self):
for b in self.bullets:
for e in self.enemies:
if b.is_colliding_with_enemy(e):
b.to_be_deleted = True
e.to_be_deleted = True
def process_ship_enemy_collision(self):
for e in self.enemies:
if self.ship.is_colliding_with_enemy(e):
self.stop_animation()
def process_collisions(self):
self.process_bullet_enemy_collisions()
self.process_ship_enemy_collision()
def update_and_filter_deleted(self, elements):
new_list = []
for e in elements:
e.update()
e.render()
if e.to_be_deleted:
e.delete()
else:
new_list.append(e)
return new_list
def post_update(self):
self.process_collisions()
self.bullets = self.update_and_filter_deleted(self.bullets)
self.enemies = self.update_and_filter_deleted(self.enemies)
self.update_score()
self.update_bomb_power()
def init_key_handlers(self):
key_pressed_handler = ShipMovementKeyPressedHandler(self, self.ship)
key_pressed_handler = BombKeyPressedHandler(self, self.ship,
key_pressed_handler)
self.key_pressed_handler = key_pressed_handler
key_released_handler = ShipMovementKeyReleasedHandler(self, self.ship)
self.key_released_handler = key_released_handler
class SpaceGame(GameApp):
def init_game(self):
self.ship = Ship(self, CANVAS_WIDTH // 2, CANVAS_HEIGHT // 2)
# self.level = 1
# self.level_text = Text(self, '', 100, 580)
self.level = StatusWithText(self, 100, 580, 'Level: %d', 1)
# self.update_level_text()
self.score_wait = 0
# self.score = 0
# self.score_wait = 0
# self.score_text = Text(self, '', 100, 20)
# self.update_score_text()
self.score = StatusWithText(self, 100, 20, 'Score: %d', 0)
# self.bomb_power = BOMB_FULL_POWER
self.bomb_wait = 0
# self.bomb_power_text = Text(self, '', 700, 20)
self.bomb_power = StatusWithText(self, 700, 20, 'Power: %d',
BOMB_FULL_POWER)
# self.update_bomb_power_text()
self.elements.append(self.ship)
self.enemies = []
self.bullets = []
self.enemy_creation_strategies = [(0.2, StarEnemyGenerationStrategy()),
(1.0, EdgeEnemyGenerationStrategy())]
self.init_key_handlers()
def init_key_handlers(self):
key_pressed_handler = ShipMovementKeyPressedHandler(self, self.ship)
key_pressed_handler = BombKeyPressedHandler(self, self.ship,
key_pressed_handler)
self.key_pressed_handler = key_pressed_handler
key_released_handler = ShipMovementKeyReleasedHandler(self, self.ship)
self.key_released_handler = key_released_handler
def add_enemy(self, enemy):
self.enemies.append(enemy)
def add_bullet(self, bullet):
self.bullets.append(bullet)
def bullet_count(self):
return len(self.bullets)
def bomb(self):
if self.bomb_power.value == BOMB_FULL_POWER:
self.bomb_power.value = 0
self.bomb_canvas_id = self.create_bomb()
self.after(200, lambda: self.canvas.delete(self.bomb_canvas_id))
# for e in self.enemies:
# if self.ship.distance_to(e) <= BOMB_RADIUS:
# e.to_be_deleted = True
self.destroy_enemie(len(self.enemies))
self.update_bomb_power_text()
def create_bomb(self):
self.canvas.create_oval(self.ship.x - BOMB_RADIUS,
self.ship.y - BOMB_RADIUS,
self.ship.x + BOMB_RADIUS,
self.ship.y + BOMB_RADIUS)
def destroy_enemie(self, enemie_amount):
if enemie_amount == 0:
return
if self.ship.distance_to(self.enemies[enemie_amount]) <= BOMB_RADIUS:
self.enemies[enemie_amount].to_be_deleted = True
self.destroy_enemie(enemie_amount - 1)
# def update_score_text(self):
# self.score_text.set_text('Score: %d' % self.score)
def update_bomb_power_text(self):
self.bomb_power_text.set_text('Power: %d%%' % self.bomb_power)
def update_level_text(self):
self.level_text.set_text('Level: %d' % self.level)
def update_score(self):
self.score_wait += 1
if self.score_wait >= SCORE_WAIT:
# self.score += 1
self.score.value += 1
self.score_wait = 0
# self.update_score_text()
self.level.value = self.score.value // 10 + 1
def update_bomb_power(self):
self.bomb_wait += 1
if (self.bomb_wait >= BOMB_WAIT) and (self.bomb_power.value !=
BOMB_FULL_POWER):
self.bomb_power.value += 1
self.bomb_wait = 0
# self.update_bomb_power_text()
def create_enemy_star(self):
enemies = []
x = randint(100, CANVAS_WIDTH - 100)
y = randint(100, CANVAS_HEIGHT - 100)
while vector_len(x - self.ship.x, y - self.ship.y) < 200:
x = randint(100, CANVAS_WIDTH - 100)
y = randint(100, CANVAS_HEIGHT - 100)
for d in range(18):
dx, dy = direction_to_dxdy(d * 20)
enemy = Enemy(self, x, y, dx * ENEMY_BASE_SPEED,
dy * ENEMY_BASE_SPEED)
enemies.append(enemy)
return enemies
def create_enemy_from_edges(self):
x, y = random_edge_position()
vx, vy = normalize_vector(self.ship.x - x, self.ship.y - y)
vx *= ENEMY_BASE_SPEED
vy *= ENEMY_BASE_SPEED
enemy = Enemy(self, x, y, vx, vy)
return [enemy]
def create_enemies(self):
# if random() < 0.2:
# enemies = self.create_enemy_star()
# else:
# enemies = self.create_enemy_from_edges()
p = random()
for prob, strategy in self.enemy_creation_strategies:
if p < prob:
enemies = strategy.generate(self, self.ship)
break
for e in enemies:
self.add_enemy(e)
def pre_update(self):
if random() < 0.1:
self.create_enemies()
def process_bullet_enemy_collisions(self):
for b in self.bullets:
for e in self.enemies:
if b.is_colliding_with_enemy(e):
b.to_be_deleted = True
e.to_be_deleted = True
def process_ship_enemy_collision(self):
for e in self.enemies:
if self.ship.is_colliding_with_enemy(e):
self.stop_animation()
self.end_game()
self.init_game()
def process_collisions(self):
self.process_bullet_enemy_collisions()
# -- comment out this line to prevent ship collision
self.process_ship_enemy_collision()
def update_and_filter_deleted(self, elements):
new_list = []
for e in elements:
e.update()
e.render()
if e.to_be_deleted:
e.delete()
else:
new_list.append(e)
return new_list
def post_update(self):
self.process_collisions()
self.bullets = self.update_and_filter_deleted(self.bullets)
self.enemies = self.update_and_filter_deleted(self.enemies)
self.update_score()
self.update_bomb_power()
# def on_key_pressed(self, event):
# if event.keysym == 'Left':
# self.ship.start_turn('LEFT')
# elif event.keysym == 'Right':
# self.ship.start_turn('RIGHT')
# elif event.char == ' ':
# self.ship.fire()
# elif event.char.upper() == 'Z':
# self.bomb()
# def on_key_released(self, event):
# if event.keysym == 'Left':
# self.ship.stop_turn('LEFT')
# elif event.keysym == 'Right':
# self.ship.stop_turn('RIGHT')
def end_game(self):
for enemie in self.enemies:
enemie.to_be_deleted = True
self.enemies.clear()
for b in self.bullets:
b.to_be_deleted = True
self.bullets.clear()
for e in self.elements:
e.to_be_deleted = True
self.elements.clear()
self.level.to_be_deleted = True
self.score.to_be_deleted = True
self.bomb_power.to_be_deleted = True
class SpaceGame(GameApp):
def init_game(self):
self.ship = Ship(self, CANVAS_WIDTH // 2, CANVAS_HEIGHT // 2)
# Debugging: Avoid death
# This is a bad practice. GameApp should not access argument.
# TODO: Refactor this
self.is_debugging = len(sys.argv) >= 2
self.level = StatusWithText(self, 100, 580, 'Level: %d', 1)
self.level_wait = 0
self.score_wait = 0
self.score = StatusWithText(self, 100, 20, 'Score: %d', 0)
self.bomb_power = StatusWithText(self, 700, 20, 'Power: %d%%',
BOMB_FULL_POWER)
self.bomb_canvas_id = None
self.bomb_wait = 0
self.elements.append(self.ship)
self.init_key_handlers()
self.enemies = []
self.bullets = []
def create_strategies(self):
return [
# Formula 0.2 + level/100
# Ex. Level 1 = 0.2 + 1/100 == 0.21
# Note: Floating point error is not taken in account
(min(0.2 + (self.level.value / 100),
0.3), StarEnemyGenerationStrategy()),
(1.0, EdgeEnemyGenerationStrategy())
]
def init_key_handlers(self):
key_pressed_handler = ShipMovementKeyPressedHandler(self, self.ship)
key_pressed_handler = BombKeyPressedHandler(self, self.ship,
key_pressed_handler)
self.key_pressed_handler = key_pressed_handler
key_released_handler = ShipMovementKeyReleasedHandler(self, self.ship)
self.key_released_handler = key_released_handler
def add_enemy(self, enemy):
self.enemies.append(enemy)
def add_bullet(self, bullet):
self.bullets.append(bullet)
def bullet_count(self):
return len(self.bullets)
def create_bomb(self):
self.bomb_canvas_id = self.canvas.create_oval(
self.ship.x - BOMB_RADIUS, self.ship.y - BOMB_RADIUS,
self.ship.x + BOMB_RADIUS, self.ship.y + BOMB_RADIUS)
def destroy_bomb(self):
self.canvas.delete(self.bomb_canvas_id)
def destroy_enemies_in_bomb(self):
for e in self.enemies:
if self.ship.distance_to(e) <= BOMB_RADIUS:
e.to_be_deleted = True
def bomb(self):
if self.bomb_power.value == BOMB_FULL_POWER:
self.bomb_power.value = 0
self.create_bomb()
self.after(200, self.destroy_bomb)
self.destroy_enemies_in_bomb()
def update_level(self):
self.level_wait += 1
if self.level_wait >= LEVEL_WAIT:
self.level.value += 1
self.level_wait = 0
def update_score(self):
self.score_wait += 1
if self.score_wait >= SCORE_WAIT:
self.score.value += 1
self.score_wait = 0
def update_bomb_power(self):
self.bomb_wait += 1
if (self.bomb_wait >= BOMB_WAIT) and (self.bomb_power.value !=
BOMB_FULL_POWER):
self.bomb_power.value += 1
self.bomb_wait = 0
def create_enemies(self):
p = random()
enemies = []
for prob, strategy in self.create_strategies():
if p < prob:
enemies = strategy.generate(self, self.ship)
break
for e in enemies:
self.add_enemy(e)
def pre_update(self):
if random() < 0.1:
self.create_enemies()
def process_bullet_enemy_collisions(self):
for b in self.bullets:
for e in self.enemies:
if b.is_colliding_with_enemy(e):
b.to_be_deleted = True
e.to_be_deleted = True
def process_ship_enemy_collision(self):
for e in self.enemies:
if self.ship.is_colliding_with_enemy(e):
self.stop_animation()
def process_collisions(self):
self.process_bullet_enemy_collisions()
self.process_ship_enemy_collision()
def update_and_filter_deleted(self, elements):
new_list = []
for e in elements:
e.update()
e.render()
if e.to_be_deleted:
e.delete()
else:
new_list.append(e)
return new_list
def post_update(self):
if not self.is_debugging:
self.process_collisions()
self.bullets = self.update_and_filter_deleted(self.bullets)
self.enemies = self.update_and_filter_deleted(self.enemies)
self.update_score()
self.update_bomb_power()
if self.score.value % 20 == 0:
self.update_level()
class SpaceGame(GameApp):
def init_game(self):
self.ship = Ship(self, CANVAS_WIDTH // 2, CANVAS_HEIGHT // 2)
self.level = 1
self.level_text = Text(self, '', 100, 580)
self.update_level_text()
self.score = 0
self.score_wait = 0
self.score_text = Text(self, '', 100, 20)
self.update_score_text()
self.bomb_power = BOMB_FULL_POWER
self.bomb_wait = 0
self.bomb_power_text = Text(self, '', 700, 20)
self.update_bomb_power_text()
self.elements.append(self.ship)
self.enemies = []
self.bullets = []
def add_enemy(self, enemy):
self.enemies.append(enemy)
def add_bullet(self, bullet):
self.bullets.append(bullet)
def bullet_count(self):
return len(self.bullets)
def bomb(self):
if self.bomb_power == BOMB_FULL_POWER:
self.bomb_power = 0
self.bomb_canvas_id = self.canvas.create_oval(
self.ship.x - BOMB_RADIUS, self.ship.y - BOMB_RADIUS,
self.ship.x + BOMB_RADIUS, self.ship.y + BOMB_RADIUS)
self.after(200, lambda: self.canvas.delete(self.bomb_canvas_id))
for e in self.enemies:
if self.ship.distance_to(e) <= BOMB_RADIUS:
e.to_be_deleted = True
self.update_bomb_power_text()
def update_score_text(self):
self.score_text.set_text('Score: %d' % self.score)
def update_bomb_power_text(self):
self.bomb_power_text.set_text('Power: %d%%' % self.bomb_power)
def update_level_text(self):
self.level_text.set_text('Level: %d' % self.level)
def update_score(self):
self.score_wait += 1
if self.score_wait >= SCORE_WAIT:
self.score += 1
self.score_wait = 0
self.update_score_text()
def update_bomb_power(self):
self.bomb_wait += 1
if (self.bomb_wait >= BOMB_WAIT) and (self.bomb_power !=
BOMB_FULL_POWER):
self.bomb_power += 1
self.bomb_wait = 0
self.update_bomb_power_text()
def create_enemy_star(self):
enemies = []
x = randint(100, CANVAS_WIDTH - 100)
y = randint(100, CANVAS_HEIGHT - 100)
while vector_len(x - self.ship.x, y - self.ship.y) < 200:
x = randint(100, CANVAS_WIDTH - 100)
y = randint(100, CANVAS_HEIGHT - 100)
for d in range(18):
dx, dy = direction_to_dxdy(d * 20)
enemy = Enemy(self, x, y, dx * ENEMY_BASE_SPEED,
dy * ENEMY_BASE_SPEED)
enemies.append(enemy)
return enemies
def create_enemy_from_edges(self):
x, y = random_edge_position()
vx, vy = normalize_vector(self.ship.x - x, self.ship.y - y)
vx *= ENEMY_BASE_SPEED
vy *= ENEMY_BASE_SPEED
enemy = Enemy(self, x, y, vx, vy)
return [enemy]
def create_enemies(self):
if random() < 0.2:
enemies = self.create_enemy_star()
else:
enemies = self.create_enemy_from_edges()
for e in enemies:
self.add_enemy(e)
def pre_update(self):
if random() < 0.1:
self.create_enemies()
def process_bullet_enemy_collisions(self):
for b in self.bullets:
for e in self.enemies:
if b.is_colliding_with_enemy(e):
b.to_be_deleted = True
e.to_be_deleted = True
def process_ship_enemy_collision(self):
for e in self.enemies:
if self.ship.is_colliding_with_enemy(e):
self.stop_animation()
def process_collisions(self):
self.process_bullet_enemy_collisions()
self.process_ship_enemy_collision()
def update_and_filter_deleted(self, elements):
new_list = []
for e in elements:
e.update()
e.render()
if e.to_be_deleted:
e.delete()
else:
new_list.append(e)
return new_list
def post_update(self):
self.process_collisions()
self.bullets = self.update_and_filter_deleted(self.bullets)
self.enemies = self.update_and_filter_deleted(self.enemies)
self.update_score()
self.update_bomb_power()
def on_key_pressed(self, event):
if event.keysym == 'Left':
self.ship.start_turn('LEFT')
elif event.keysym == 'Right':
self.ship.start_turn('RIGHT')
elif event.char == ' ':
self.ship.fire()
elif event.char.upper() == 'Z':
self.bomb()
def on_key_released(self, event):
if event.keysym == 'Left':
self.ship.stop_turn('LEFT')
elif event.keysym == 'Right':
self.ship.stop_turn('RIGHT')
class SpaceGame(GameApp):
def init_game(self):
self.background = Sprite(
self, "images/background.png", CANVAS_WIDTH//2, CANVAS_HEIGHT//2)
self.ship = Ship(self, CANVAS_WIDTH // 2, CANVAS_HEIGHT // 2)
self.level = StatusWithText(
self, 100, CANVAS_WIDTH-CANVAS_WIDTH*0.3, 'level: %d', 1)
self.score_wait = 0
self.score = StatusWithText(self, 100, 20, 'Score: %d', 0)
self.enemy_creation_strategies = [
[0.09, TieFighterEnemyGeration()],
[0.03, StarEnemyGenerationStrategy()],
[0.8, EdgeEnemyGenerationStrategy()]
]
self.bomb_power = StatusWithText(
self, CANVAS_WIDTH-100, 20, 'power: %d', BOMB_FULL_POWER)
self.bomb_wait = 0
self.bomb_power_text = Text(self, '', 700, 20)
self.health = StatusWithText(
self, 700, CANVAS_WIDTH-CANVAS_WIDTH*0.3, 'health: %d', 4)
self.elements.append(self.ship)
self.boss = None
self.turbo_power()
self.enemies = []
self.bullets = []
self.init_key_handlers()
def init_key_handlers(self):
key_pressed_handler = ShipMovementKeyPressedHandler(self, self.ship)
key_pressed_handler = BombKeyPressedHandler(
self, self.ship, key_pressed_handler)
self.key_pressed_handler = key_pressed_handler
key_released_handler = ShipMovementKeyReleasedHandler(self, self.ship)
self.key_released_handler = key_released_handler
def deathstar_fire(self, delay=0):
if self.boss.in_screen:
self.boss.start_fire_dir_ship(self.ship.x, self.ship.y)
if delay <= 200:
self.after(100, lambda: self.deathstar_fire(delay+1))
else:
delay = 0
self.after(5000, lambda: self.deathstar_fire(delay))
def level_stage(self):
if self.score.value >= 400 and self.boss == None:
self.boss = DeathStar(self)
self.boss.come_in()
self.deathstar_fire()
if self.score.value >= 300:
self.level.value = 5
self.enemy_creation_strategies[0][0] = 1
self.enemy_creation_strategies[1][0] = 0
self.enemy_creation_strategies[2][0] = 0
elif self.score.value >= 200:
self.level.value = 4
self.enemy_creation_strategies[1][0] = 0.05
elif self.score.value >= 100:
self.level.value = 3
self.enemy_creation_strategies[0][0] = 0.15
elif self.score.value >= 10:
self.level.value = 2
self.enemy_creation_strategies[2][0] = 1
def create_enemies(self):
p = random()
for prob, strategy in self.enemy_creation_strategies:
if p < prob:
enemies = strategy.generate(self, self.ship)
for e in enemies:
self.add_enemy(e)
def add_enemy(self, enemy):
self.enemies.append(enemy)
def add_bullet(self, bullet):
if self.bomb_power.value > 0:
self.bomb_power.value -= 1
self.bullets.append(bullet)
def bullet_count(self):
return len(self.bullets)
def animate_bomb(self, i):
if len(self.bomb_list) > 0:
self.canvas.delete(self.bomb_list[-1])
if i == 10:
return
bomb = 0+BOMB_RADIUS*(i*0.1)
self.bomb_list.append(self.canvas.create_oval(
self.ship.x - bomb,
self.ship.y - bomb,
self.ship.x + bomb,
self.ship.y + bomb, fill="#CCFFFF"))
self.after(50, lambda: self.animate_bomb(i+1))
def bomb(self):
if self.bomb_power.value == BOMB_FULL_POWER:
self.bomb_power.value = 0
self.bomb_list = []
self.animate_bomb(0)
for e in self.enemies:
if self.ship.distance_to(e) <= BOMB_RADIUS:
if isinstance(e, TieFighter):
explode = Explode(self, e.x, e.y, 200)
explode.update()
else:
explode = Explode(self, e.x, e.y, 50)
explode.update()
self.score.value += 1
e.to_be_deleted = True
def update_level_text(self):
self.level.value += 1
def update_score(self):
self.score_wait += 1
if self.score_wait >= SCORE_WAIT:
self.score.value += 1
self.score_wait = 0
def update_health(self):
self.health_wait += 1
def update_bomb_power(self):
self.bomb_wait += 1
if (self.bomb_wait >= BOMB_WAIT) and (self.bomb_power.value != BOMB_FULL_POWER):
self.bomb_wait = 0
self.bomb_power.value += 1
def pre_update(self):
if random() < 0.1:
self.create_enemies()
def turbo_power(self):
if self.bomb_power.value < 10:
self.ship.turbo = False
if self.ship.turbo == True and self.bomb_power.value > 0:
self.bomb_power.value -= 1
self.after(50, self.turbo_power)
def process_bullet_enemy_collisions(self):
for b in self.bullets:
for e in self.enemies:
if b.is_colliding_with_enemy(e):
if isinstance(e, TieFighter):
explode = Explode(self, e.x, e.y, 200)
explode.update()
else:
explode = Explode(self, e.x, e.y, 50)
explode.update()
self.score.value += 1
b.to_be_deleted = True
e.to_be_deleted = True
def process_ship_enemy_collision(self):
for e in self.enemies:
if self.ship.is_colliding_with_enemy(e):
self.health.value -= 1
self.ship_got_hit(50)
e.to_be_deleted = True
if self.health.value == 0 or isinstance(e, TieFighter):
self.health.value = 0
self.ship_got_hit(200)
self.ship.delete()
self.stop_animation()
def process_collisions(self):
self.process_bullet_enemy_collisions()
self.process_ship_enemy_collision()
def ship_got_hit(self, size):
explode = Explode(self, self.ship.x, self.ship.y, size)
explode.update()
def update_and_filter_deleted(self, elements):
new_list = []
for e in elements:
e.update()
e.render()
if e.to_be_deleted:
e.delete()
else:
new_list.append(e)
return new_list
def post_update(self):
self.process_collisions()
self.level_stage()
self.bullets = self.update_and_filter_deleted(self.bullets)
self.enemies = self.update_and_filter_deleted(self.enemies)
self.update_score()
self.update_bomb_power()