import pygame as pg
from sprite import Sprite

SIZE = 24
UNIT = SIZE//4
COLOR =(255,0,0)
C_POINT = (2,2)
SHAPE = (
             (0,1), C_POINT, (4,1),
             (3,0), C_POINT, (3,4),
             (4,3), C_POINT, (0,3),
             (1,4), C_POINT, (1,0),
)


class Crosshair(Sprite):
    def __init__(self, scr_rect):
        super().__init__((SIZE,)*2)
        self.rect.x = scr_rect.centerx - self.rect.width  / 2
        self.rect.y = scr_rect.centery - self.rect.height / 2
        self.image.fill(self.image.get_colorkey())
        scaled_shape = [(x*UNIT, y*UNIT) for x, y in SHAPE]
        pg.draw.polygon(self.image, COLOR, scaled_shape)

    def update(self, new_pos):
        self.rect.x = new_pos.x - self.rect.width  / 2
        self.rect.y = new_pos.y - self.rect.height / 2