1"""
 2Sprites for attacks.
 3"""
 4import sys
 5import pygame as pg
 6from .. import setup, tools
 7
 8#Python 2/3 compatibility.
 9if sys.version_info[0] == 2:
10    range = xrange
11
12class Fire(pg.sprite.Sprite):
13    """
14    Fire animation for attacks.
15    """
16    def __init__(self, x, y):
17        super(Fire, self).__init__()
18        self.spritesheet = setup.GFX['explosion']
19        self.get_image = tools.get_image
20        self.image_list = self.make_image_list()
21        self.index = 0
22        self.image = self.image_list[self.index]
23        self.rect = self.image.get_rect(left=x, top=y)
24        self.timer = 0.0
25
26    def make_image_list(self):
27        """
28        Make a list of images to cycle through for the
29        animation.
30        """
31        image_list = []
32
33        for row in range(8):
34            for column in range(8):
35                posx = column * 128
36                posy = row * 128
37                new_image = self.get_image(posx, posy, 128, 128,
38                                           self.spritesheet)
39                image_list.append(new_image)
40
41        return image_list
42
43    def update(self):
44        """
45        Update fire explosion.
46        """
47        if self.index < (len(self.image_list) - 1):
48            self.index += 1
49            self.image = self.image_list[self.index]
50        elif self.index == (len(self.image_list) - 1):
51            self.kill()