|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* |
|
4
|
|
|
* PHP version 5.5 |
|
5
|
|
|
* |
|
6
|
|
|
* @package Forecast\Models |
|
7
|
|
|
* @author Sergey V.Kuzin <[email protected]> |
|
8
|
|
|
* @license MIT |
|
9
|
|
|
*/ |
|
10
|
|
|
declare(strict_types=1); |
|
11
|
|
|
namespace Forecast\Models; |
|
12
|
|
|
|
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* Class BeaufortWindScale |
|
16
|
|
|
* |
|
17
|
|
|
* Возвращает силу ветра в балах по шкале Бофорта в зависимости от скорости ветра |
|
18
|
|
|
* @see https://en.wikipedia.org/wiki/Beaufort_scale |
|
19
|
|
|
* |
|
20
|
|
|
* PHP version 5.5 |
|
21
|
|
|
* |
|
22
|
|
|
* @package Forecast\Models |
|
23
|
|
|
* @author Sergey V.Kuzin <[email protected]> |
|
24
|
|
|
* @license http://opensource.org/licenses/MIT The MIT License (MIT) |
|
25
|
|
|
* |
|
26
|
|
|
*/ |
|
27
|
|
|
class BeaufortWindScale |
|
28
|
|
|
{ |
|
29
|
|
|
const BWS_CALM = 0; |
|
30
|
|
|
const BWS_LIGHT_AIR = 1; |
|
31
|
|
|
const BWS_LIGHT_BREEZE = 2; |
|
32
|
|
|
const BWS_GENTLE_BREEZE = 3; |
|
33
|
|
|
const BWS_MODERATE_BREEZE = 4; |
|
34
|
|
|
const BWS_FRESH_BREEZE = 5; |
|
35
|
|
|
const BWS_STRONG_BREEZE = 6; |
|
36
|
|
|
const BWS_HIGH_WIND = 7; |
|
37
|
|
|
const BWS_FRESH_GALE = 8; |
|
38
|
|
|
const BWS_STRONG = 9; |
|
39
|
|
|
const BWS_WHOLE_GALE = 10; |
|
40
|
|
|
const BWS_VIOLENT_STORM = 11; |
|
41
|
|
|
const BWS_HURRICANE_FORCE = 12; |
|
42
|
|
|
|
|
43
|
|
|
|
|
44
|
|
|
/** @var double $wind скорость ветра в м/с */ |
|
45
|
|
|
private $wind = 0; |
|
46
|
|
|
|
|
47
|
|
|
/** |
|
48
|
|
|
* @return float |
|
49
|
|
|
*/ |
|
50
|
2 |
|
public function getWind(): float |
|
51
|
|
|
{ |
|
52
|
2 |
|
return $this->wind; |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
/** |
|
56
|
|
|
* @param float $wind |
|
57
|
|
|
*/ |
|
58
|
3 |
|
public function setWind(float $wind): self |
|
59
|
|
|
{ |
|
60
|
3 |
|
if ($wind < 0) { |
|
61
|
1 |
|
throw new \InvalidArgumentException('Значение $windSpeed < 0'); |
|
62
|
|
|
} |
|
63
|
2 |
|
$this->wind = $wind; |
|
64
|
2 |
|
return $this; |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
1 |
|
/** |
|
68
|
|
|
* @return int |
|
69
|
1 |
|
*/ |
|
70
|
|
|
public function calc(): int |
|
71
|
1 |
|
{ |
|
72
|
1 |
|
$wind = $this->getWind(); |
|
73
|
1 |
|
|
|
74
|
1 |
|
if ($wind >= 0 && $wind < 0.3) { |
|
75
|
1 |
|
$number = self::BWS_CALM; |
|
76
|
1 |
|
} elseif ($wind <= 1.5) { |
|
77
|
1 |
|
$number = self::BWS_LIGHT_AIR; |
|
78
|
1 |
|
} elseif ($wind <= 3.3) { |
|
79
|
1 |
|
$number = self::BWS_LIGHT_BREEZE; |
|
80
|
1 |
|
} elseif ($wind <= 5.5) { |
|
81
|
1 |
|
$number = self::BWS_GENTLE_BREEZE; |
|
82
|
1 |
|
} elseif ($wind <= 8.0) { |
|
83
|
1 |
|
$number = self::BWS_MODERATE_BREEZE; |
|
84
|
1 |
|
} elseif ($wind <= 10.8) { |
|
85
|
1 |
|
$number = self::BWS_FRESH_BREEZE; |
|
86
|
1 |
|
} elseif ($wind <= 13.9) { |
|
87
|
1 |
|
$number = self::BWS_STRONG_BREEZE; |
|
88
|
1 |
|
} elseif ($wind <= 17.2) { |
|
89
|
1 |
|
$number = self::BWS_HIGH_WIND; |
|
90
|
1 |
|
} elseif ($wind <= 20.7) { |
|
91
|
1 |
|
$number = self::BWS_FRESH_GALE; |
|
92
|
1 |
|
} elseif ($wind <= 24.5) { |
|
93
|
1 |
|
$number = self::BWS_STRONG; |
|
94
|
1 |
|
} elseif ($wind <= 28.4) { |
|
95
|
1 |
|
$number = self::BWS_WHOLE_GALE; |
|
96
|
1 |
|
} elseif ($wind <= 32.6) { |
|
97
|
|
|
$number = self::BWS_VIOLENT_STORM; |
|
98
|
|
|
} else { |
|
99
|
1 |
|
$number = self::BWS_HURRICANE_FORCE; |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
return $number; |
|
103
|
|
|
} |
|
104
|
|
|
} |
|
105
|
|
|
|
kuzmichus /
Forecast
