player.py

import pygame
from circleshape import CircleShape
from constants import *
from shot import Shot

class Player(CircleShape):
    def __init__(self, x, y):
        super().__init__(x, y, PLAYER_RADIUS)
        self.rotation = 0
        self.shoot_cooldown = 0
        self.score = 0

    def triangle(self):
        forward = pygame.Vector2(0, 1).rotate(self.rotation)
        right = pygame.Vector2(0, 1).rotate(self.rotation + 90) * self.radius / 1.5
        a = self.position + forward * self.radius
        b = self.position - forward * self.radius - right
        c = self.position - forward * self.radius + right
        return [a, b, c]

    def draw(self, screen):
        pygame.draw.polygon(screen, "white", self.triangle(), LINE_WIDTH)
        self.display_score(screen)

    def rotate(self, dt):
        self.rotation += PLAYER_TURN_SPEED * dt

    def update(self, dt):
        keys = pygame.key.get_pressed()
        self.shoot_cooldown -= dt

        if keys[pygame.K_a]:
            self.rotate(-dt)
        if keys[pygame.K_d]:
            self.rotate(dt)

        if keys[pygame.K_w]:
            self.move(dt)
        if keys[pygame.K_s]:
            self.move(-dt)

        if keys[pygame.K_SPACE]:
            self.shoot()

    def move(self, dt):
        unit_vector = pygame.Vector2(0, 1)
        rotated_vector = unit_vector.rotate(self.rotation)
        rotated_with_speed_vector = rotated_vector * PLAYER_SPEED * dt
        self.position += rotated_with_speed_vector

    def shoot(self):
        if self.shoot_cooldown > 0:
            return
        self.shoot_cooldown = PLAYER_SHOOT_COOLDOWN_SECONDS
        Shot(self.position[0], self.position[1], pygame.Vector2(0, 1).rotate(self.rotation) * PLAYER_SHOOT_SPEED)

    def display_score(self, screen):
        font = pygame.font.Font(None, 45)
        self.__text = font.render(f"Score: {self.score}", True, (255, 255, 255))
        self.__text_location = self.__text.get_rect(center=(SCREEN_WIDTH / 1.1, SCREEN_HEIGHT / 10))
        screen.blit(self.__text, self.__text_location)