1 """
2 二维列表工具
3 """
4
5
6 class Vector2:
7 """
8 向量
9 """
10
11 def __init__(self, x=0, y=0):
12 self.x = x
13 self.y = y
14
15 # 将函数转移到类中，就是静态方法．
16 @staticmethod
17 def right():
18 return Vector2(0, 1)
19
20 @staticmethod
21 def up():
22 return Vector2(-1, 0)
23
24 @staticmethod
25 def left():
26 return Vector2(0, -1)
27
28 @staticmethod
29 def down():
30 return Vector2(1, 0)
31
32 @staticmethod
33 def right_up():
34 return Vector2(-1, 1)
35
36 @staticmethod
37 def right_down():
38 return Vector2(1, 1)
39
40 @staticmethod
41 def left_up():
42 return Vector2(1, 1)
43
44 @staticmethod
45 def left_down():
46 return Vector2(1, -1)
47
48
49 class DoubleListHelper:
50 """
51 二维列表助手类
52 定义：在开发过程中，所有对二维列表的常用操作．
53 """
54
55 @staticmethod
56 def get_elements(list_target, v_pos, v_dir, count):
57 result = []
58 for i in range(count):
59 v_pos.x += v_dir.x
60 v_pos.y += v_dir.y
61 result.append(list_target[v_pos.x][v_pos.y])
62 return result
63
64
65 # 测试．．．．．．．．．．．．．
66 list01 = [
67 ["00", "01", "02", "03"],
68 ["10", "11", "12", "13"],
69 ["20", "21", "22", "23"],
70 ]
71
72
73 # 获取23位置 向左 2个元素
74 # re02 = DoubleListHelper.get_elements(list01, Vector2(2, 3), Vector2.left(), 2)
75 # print(re02)
76 # 获取02位置 向下 2个元素
77 # re03 = DoubleListHelper.get_elements(list01, Vector2(0, 2), Vector2.down(), 2)
78 # print(re03)
79 # 获取20位置 右上 2个元素
80 # re04 = DoubleListHelper.get_elements(list01, Vector2(2, 0), Vector2.right_up(), 2)
81 # print(re04)
