|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Samsara\Fermat\Values\Geometry\CoordinateSystems; |
|
4
|
|
|
|
|
5
|
|
|
use Samsara\Fermat\Types\Base\Interfaces\Coordinates\CoordinateInterface; |
|
6
|
|
|
use Samsara\Fermat\Types\Base\Interfaces\Coordinates\ThreeDCoordinateInterface; |
|
7
|
|
|
use Samsara\Fermat\Types\Coordinate; |
|
8
|
|
|
use Samsara\Fermat\Values\ImmutableDecimal; |
|
9
|
|
|
|
|
10
|
|
|
class SphericalCoordinate extends Coordinate implements ThreeDCoordinateInterface |
|
11
|
|
|
{ |
|
12
|
|
|
/** @var CartesianCoordinate */ |
|
13
|
|
|
protected $cachedCartesian; |
|
14
|
|
|
/** @var CylindricalCoordinate */ |
|
15
|
|
|
protected $cachedCylindrical; |
|
16
|
|
|
|
|
17
|
4 |
|
public function __construct($rho, $theta, $phi) |
|
18
|
|
|
{ |
|
19
|
4 |
|
$data = [ |
|
20
|
4 |
|
'rho' => $rho, |
|
21
|
4 |
|
'theta' => $theta, |
|
22
|
4 |
|
'phi' => $phi |
|
23
|
|
|
]; |
|
24
|
|
|
|
|
25
|
4 |
|
parent::__construct($data); |
|
26
|
4 |
|
} |
|
27
|
|
|
|
|
28
|
|
|
public function getDistanceFromOrigin(): ImmutableDecimal |
|
29
|
|
|
{ |
|
30
|
|
|
return $this->getAxis('rho'); |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
public function distanceTo(CoordinateInterface $coordinate): ImmutableDecimal |
|
34
|
|
|
{ |
|
35
|
|
|
return $this->asCartesian()->distanceTo($coordinate); |
|
36
|
|
|
} |
|
37
|
|
|
|
|
38
|
1 |
|
public function getPolarAngle(): ImmutableDecimal |
|
39
|
|
|
{ |
|
40
|
1 |
|
return $this->getAxis('phi'); |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
1 |
|
public function getPlanarAngle(): ImmutableDecimal |
|
44
|
|
|
{ |
|
45
|
1 |
|
return $this->getAxis('theta'); |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
1 |
|
public function asCartesian(): CartesianCoordinate |
|
49
|
|
|
{ |
|
50
|
1 |
|
if (is_null($this->cachedCartesian)) { |
|
51
|
1 |
|
$sinTheta = $this->getAxis('theta')->sin(); |
|
52
|
1 |
|
$cosTheta = $this->getAxis('theta')->cos(); |
|
53
|
1 |
|
$sinPhi = $this->getAxis('phi')->sin(); |
|
54
|
1 |
|
$cosPhi = $this->getAxis('phi')->cos(); |
|
55
|
|
|
|
|
56
|
1 |
|
$x = $this->getAxis('rho')->multiply($sinPhi)->multiply($cosTheta); |
|
57
|
1 |
|
$y = $this->getAxis('rho')->multiply($sinPhi)->multiply($sinTheta); |
|
58
|
1 |
|
$z = $this->getAxis('rho')->multiply($cosPhi); |
|
59
|
|
|
|
|
60
|
1 |
|
$this->cachedCartesian = new CartesianCoordinate($x, $y, $z); |
|
|
|
|
|
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
1 |
|
return $this->cachedCartesian; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
public function asSpherical(): SphericalCoordinate |
|
67
|
|
|
{ |
|
68
|
|
|
return $this; |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
public function asCylindrical(): CylindricalCoordinate |
|
72
|
|
|
{ |
|
73
|
|
|
if (is_null($this->cachedCylindrical)) { |
|
74
|
|
|
$sinPhi = $this->getAxis('phi')->sin(); |
|
75
|
|
|
$cosPhi = $this->getAxis('phi')->cos(); |
|
76
|
|
|
|
|
77
|
|
|
$rho = $this->getAxis('rho')->multiply($sinPhi); |
|
78
|
|
|
$theta = $this->getAxis('theta'); |
|
79
|
|
|
$z = $this->getAxis('rho')->multiply($cosPhi); |
|
80
|
|
|
|
|
81
|
|
|
$this->cachedCylindrical = new CylindricalCoordinate($rho, $theta, $z); |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
return $this->cachedCylindrical; |
|
85
|
|
|
} |
|
86
|
|
|
} |
SamsaraLabs /
FermatCoordinateSystems
Loading history...