blob: 72ea5958a47ae7822faa03d210bae5fee6951722 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.fourisland.fourpuzzle;
/**
*
* @author hatkirby
*/
public enum Direction {
North
{
public Direction opposite()
{
return Direction.South;
}
public Direction left()
{
return Direction.West;
}
public Direction right()
{
return Direction.East;
}
},
East
{
public Direction opposite()
{
return Direction.West;
}
public Direction left()
{
return Direction.North;
}
public Direction right()
{
return Direction.South;
}
},
South
{
public Direction opposite()
{
return Direction.North;
}
public Direction left()
{
return Direction.East;
}
public Direction right()
{
return Direction.West;
}
},
West
{
public Direction opposite()
{
return Direction.East;
}
public Direction left()
{
return Direction.South;
}
public Direction right()
{
return Direction.North;
}
};
/**
* Returns the direction opposite from the current one
*
* @return A Direction representing the wanted direction
*/
public abstract Direction opposite();
/**
* Returns the direction counterclockwise from the current one
*
* @return A Direction representing the wanted direction
*/
public abstract Direction left();
/**
* Returns the direction clockwise from the current one
*
* @return A Direction representing the wanted direction
*/
public abstract Direction right();
}
|
