shooter.py

import pygame
from laser import Laser

class Shooter(pygame.sprite.Sprite):
    def __init__(self, screen_width, screen_height, selected_character):
        super().__init__()
        self.screen_width = screen_width
        self.screen_height = screen_height
        self.characters = [
            'images/shooter-resized.png',
            'images/dragon-resized.png',
            'images/gaudau-resized.png',
            'images/sakura-resized.png',
            'images/invader_3.png'
        ]
        self.selected_character = selected_character
        self.image = pygame.image.load(self.characters[self.selected_character])
        self.rect = self.image.get_rect(midbottom=(self.screen_width / 2, self.screen_height))
        self.speed = 6

        self.lasers_group = pygame.sprite.Group()
        self.lasers_ready = True
        self.laser_time = 0
        self.laser_delay = 300

        self.laser_sound = pygame.mixer.Sound("Sounds/laser.ogg")

    def get_user_input(self):
        keys = pygame.key.get_pressed()

        if keys[pygame.K_RIGHT]:
            self.rect.x += self.speed
        if keys[pygame.K_LEFT]:
            self.rect.x -= self.speed

        if keys[pygame.K_SPACE] and self.lasers_ready:
            self.lasers_ready = False
            laser = Laser(self.rect.center, 5, self.screen_height)  # Vị trí, tốc độ, chiều cao
            self.lasers_group.add(laser)
            self.laser_time = pygame.time.get_ticks()
            self.laser_sound.play()

    def update(self):
        self.get_user_input()
        self.constrain_movement()
        self.lasers_group.update()
        self.recharge_laser()


    def constrain_movement(self):
        if self.rect.right > self.screen_width:
            self.rect.right = self.screen_width
        if self.rect.left < 0:
            self.rect.left = 0

    def recharge_laser(self):
        if not self.lasers_ready:
            current_time = pygame.time.get_ticks()
            if current_time - self.laser_time >= self.laser_delay:
                self.lasers_ready = True


    def reset(self):
        self.rect = self.image.get_rect(midbottom = (self.screen_width/2, self.screen_height) )
        self.lasers_group.empty()