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<?php |
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/* |
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* This file is part of the core-library package. |
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* |
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* (c) 2020 WEBEWEB |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace WBW\Library\Core\Geometry; |
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use WBW\Library\Core\Model\Attribute\FloatValueTrait; |
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/** |
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* Angle. |
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* |
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* @author webeweb <https://github.com/webeweb> |
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* @package WBW\Library\Core\Geometry |
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*/ |
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class Angle { |
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use FloatValueTrait; |
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/** |
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* Unit "degree". |
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* |
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* @var string |
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*/ |
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const UNIT_DEGREE = "degree"; |
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/** |
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* Unit "radian". |
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* |
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* @var string |
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*/ |
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const UNIT_RADIAN = "radian"; |
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/** |
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* Units. |
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* |
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* @var string |
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*/ |
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private $units; |
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/** |
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* Constructor. |
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* |
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* @param float $value The value. |
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* @param string $units The units. |
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*/ |
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public function __construct(float $value, string $units = self::UNIT_RADIAN) { |
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$this->setUnits($units); |
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$this->setValue($value); |
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} |
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/** |
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* Degree. |
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* |
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* @return float Returns the degree. |
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*/ |
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public function deg(): float { |
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if (true === $this->isDegree()) { |
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return $this->getValue(); |
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} |
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return $this->getValue() * 180 / pi(); |
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} |
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/** |
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* Get the unit. |
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* |
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* @return string Returns the unit. |
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*/ |
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public function getUnits(): string { |
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return $this->units; |
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} |
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/** |
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* Determines if this angle is in degree. |
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* |
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* @return bool Returns true in case of success, false otherwise. |
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*/ |
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public function isDegree(): bool { |
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return self::UNIT_DEGREE === $this->getUnits(); |
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} |
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/** |
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* Determines if this angle is in radian. |
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* |
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* @return bool Returns true in case of success, false otherwise. |
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*/ |
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public function isRadian(): bool { |
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return self::UNIT_RADIAN === $this->getUnits(); |
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} |
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/** |
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* Radian. |
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* |
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* @return float Returns the radian. |
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*/ |
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public function rad(): float { |
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if (true === $this->isRadian()) { |
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return $this->getValue(); |
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} |
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return $this->getValue() * pi() / 180; |
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} |
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/** |
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* Set the unit. |
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* |
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* @param string $units The unit. |
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* @return Angle Returns this angle. |
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*/ |
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protected function setUnits(string $units): Angle { |
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$this->units = $units; |
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return $this; |
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} |
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} |
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webeweb /
core-library
