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<?php |
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/* |
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* This file is part of the STL package. |
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* |
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* (c) Grosan Flaviu Gheorghe <[email protected]> |
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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 php3d\stl; |
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/** |
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* Class STLVertex. Stores STL vertex data. |
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* @package php3d\stl |
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*/ |
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class STLVertex |
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{ |
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/** |
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* @var array |
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*/ |
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private $coordinatesArray; |
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/** |
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* @return array |
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*/ |
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public function getCoordinatesArray(): array |
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{ |
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return $this->coordinatesArray; |
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} |
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/** |
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* @param array $coordinatesArray |
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* @return STLVertex |
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*/ |
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public function setCoordinatesArray(array $coordinatesArray): STLVertex |
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{ |
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$this->coordinatesArray = $coordinatesArray; |
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return $this; |
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} |
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// Class should never be instantiated directly, as it emulates constructor overloading. |
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private function __construct() |
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{ |
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} |
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/** |
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* Class constructor from an STL vertex string. |
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* |
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* Example vertex string: |
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* outerloop |
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* vertex -71.74323 47.70205 4.666243 |
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* vertex -72.13071 47.70205 4.932664 |
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* vertex -72.1506 47.2273 4.905148 |
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* endloop |
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* |
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* @param string $stlVertexString |
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* @return STLVertex |
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*/ |
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public static function fromString(string $stlVertexString) : STLVertex |
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{ |
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$class = new self(); |
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preg_match_all("/vertex +(\-*\d+\.*\d*e*\-*\+*\d*) +(\-*\d+\.*\d*e*\-*\+*\d*) +(\-*\d+\.*\d*e*\-*\+*\d*)/", |
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$stlVertexString, $matches); |
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$coordinates = array( |
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array((float)$matches[1][0], (float)$matches[2][0], (float)$matches[3][0]), |
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array((float)$matches[1][1], (float)$matches[2][1], (float)$matches[3][1]), |
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array((float)$matches[1][2], (float)$matches[2][2], (float)$matches[3][2]) |
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); |
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$class->setCoordinatesArray($coordinates); |
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return $class; |
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} |
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/** |
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* Class constructor from an STL vertex array. |
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* |
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* Example vertex array: |
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* |
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* array( |
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* array( |
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* -71.74323, 47.70205, 4.666243 |
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* ), |
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* array( |
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* -72.13071, 47.70205, 4.932664 |
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* ), |
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* array( |
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* -72.1506, 47.2273, 4.905148 |
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* ) |
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* ) |
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* |
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* @param array $stlVertexArray |
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* @return STLVertex |
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*/ |
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public static function fromArray(array $stlVertexArray) : STLVertex |
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{ |
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$class = new self(); |
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$class->setCoordinatesArray($stlVertexArray); |
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return $class; |
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} |
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/** |
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* Wrapper for getCoordinatesArray. |
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* |
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* @return array |
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*/ |
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public function toArray() : array |
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{ |
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return $this->getCoordinatesArray(); |
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} |
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/** |
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* Returns a vertex outerloop. |
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* |
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* @return string |
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*/ |
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public function toString() : string |
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{ |
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$coordinates = $this->getCoordinatesArray(); |
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$string = "outerloop\n"; |
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foreach ($coordinates as $coordinate) { |
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$string .= " vertex " . implode(" ", $coordinate) . "\n"; |
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} |
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$string .= "endloop"; |
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return $string; |
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} |
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} |
fgheorghe /
php3d-stl
