import pygame

class Bullet:
    def __init__(self, screen, x, y, x_speed, y_speed):
        self.screen = screen

        self.pos = [x,y]

        self.x_speed = x_speed
        self.y_speed = y_speed

        self.color = (0,0,0)
        self.size = 5

    def update(self):
        self.move(self.x_speed, self.y_speed)

    def move(self, x, y):
        self.pos[0] += x
        self.pos[1] += y

    def draw(self):
        pygame.draw.rect(self.screen, self.color, pygame.rect.Rect(self.pos, (self.size, self.size)))