class SpaceShip(object):
def __init__(self, window, bullet, alien, multiplier=1):
self.window = window
self.bullet = bullet
self.alien = alien
self.sprite = Sprite("./assets/actors/spaceship.png")
self.player_was_shot = False
self.speed = globals.SPACESHIP_VEL
self.reload_cron = 0
self.reload_time = globals.RELOAD_TIME * multiplier
self.__set_pos()
def update(self):
if keyboard.key_pressed("left") and self.sprite.x > globals.SCREEN_BORDER:
self.sprite.x -= self.speed * self.window.delta_time()
if (
keyboard.key_pressed("right")
and self.sprite.x + self.sprite.width
< self.window.width - globals.SCREEN_BORDER
):
self.sprite.x += self.speed * self.window.delta_time()
if keyboard.key_pressed("space"):
if self.reload_cron <= 0:
self.bullet.spawn(
self.sprite.x + self.sprite.width / 2, self.sprite.y + 5
)
self.reload_cron = self.reload_time
for bullet in self.bullet.bullets_alien:
if self.sprite.collided(bullet):
self.bullet.bullets_alien.remove(bullet)
self.player_was_shot = True
for ali in self.alien.aliens:
if self.sprite.collided(ali):
globals.GAME_STATE = 0
globals.PLAY_INIT = True
break
self.reload_cron -= 1
self.sprite.draw()
def __set_pos(self):
self.sprite.set_position(
self.window.width / 2 - self.sprite.width / 2,
self.window.height - self.sprite.height - 55,
)
def main():
HEIGHT = 600
WIDTH = 800
VEL_X = 200
VEL_Y = 200
window = Window(WIDTH, HEIGHT)
keyboard = Keyboard()
ball = Sprite("./assets/ball.png")
ball.set_position((window.width / 2 - ball.width / 2),
(window.height / 2 - ball.height / 2))
bat_player = Sprite("./assets/bat.png")
bat_player.set_position(15, (window.height / 2 - bat_player.height / 2))
bat_npc = Sprite("./assets/bat.png")
bat_npc.set_position((window.width - 15) - bat_npc.width,
(window.height / 2 - bat_npc.height / 2))
game_started = False
player_score = 0
npc_score = 0
window.set_background_color((0, 0, 0))
window.draw_text("{} {}".format(player_score, npc_score), window.width / 2,
15, 25, (255, 255, 255))
ball.draw()
bat_player.draw()
bat_npc.draw()
while True:
# to start the game
if keyboard.key_pressed("space") or game_started:
ball.x += (VEL_X * window.delta_time())
ball.y += (VEL_Y * window.delta_time())
game_started = True
# scoring and reset after left and right window collision
if (ball.x < 0) or (ball.x + ball.width > window.width):
if ball.x < 0:
npc_score += 1
elif ball.x + ball.width > window.width:
player_score += 1
ball.set_position((window.width / 2 - ball.width / 2),
(window.height / 2 - ball.height / 2))
bat_player.set_position(
15, (window.height / 2 - bat_player.height / 2))
bat_npc.set_position((window.width - 15) - bat_npc.width,
(window.height / 2 - bat_npc.height / 2))
game_started = False
window.set_background_color((0, 0, 0))
window.draw_text("{} {}".format(player_score, npc_score),
window.width / 2, 15, 25, (255, 255, 255))
ball.draw()
bat_player.draw()
bat_npc.draw()
window.update()
continue
# bottom and top window collision
if ball.y < 0:
VEL_Y *= -1
ball.set_position(ball.x, ball.y + 1)
elif ball.y + ball.height > window.height:
VEL_Y *= -1
ball.set_position(ball.x, ball.y - 1)
# bat collision
if bat_player.collided(ball):
VEL_X *= -1
ball.set_position(ball.x + 1, ball.y)
elif bat_npc.collided(ball):
VEL_X *= -1
ball.set_position(ball.x - 1, ball.y)
# controls
if keyboard.key_pressed("up") and bat_player.y > 15:
bat_player.y -= 0.5
if (keyboard.key_pressed("down")
and (bat_player.y + bat_player.height < window.height - 15)):
bat_player.y += 0.5
# AI
if (ball.y < window.height / 2 and bat_npc.y > 15 and game_started):
bat_npc.y -= 0.5
elif (ball.y > window.height / 2
and bat_npc.y + bat_npc.height < window.height - 15
and game_started):
bat_npc.y += 0.5
# reset
window.set_background_color((0, 0, 0))
window.draw_text("{} {}".format(player_score, npc_score),
window.width / 2, 15, 25, (255, 255, 255))
ball.draw()
bat_player.draw()
bat_npc.draw()
window.update()