PHP\Math\Vector\VectorUtils

Complexity

Total Complexity

7

Size/Duplication

Total Lines	60
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	2

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	add()	0	14	3
A	angleBetween()	0	4	1
A	subtract()	0	14	3

<?php

namespace PHP\Math\Vector;

use InvalidArgumentException;

class VectorUtils
{
    /**
     * Adds the two given vectors to each other.
     *
     * @param Vector $lft The left vector.
     * @param Vector $rgt The right vector.
     * @return Vector
     * @throws InvalidArgumentException Thrown when the given vector is of a different length.
     */
    public static function add(Vector $lft, Vector $rgt)
    {
        if ($lft->getSize() != $rgt->getSize()) {
            throw new InvalidArgumentException('Invalid vectors provided, should be of the same size.');
        }

        $result = new Vector($lft);

$lft is of type object<PHP\Math\Vector\Vector>, but the function expects a array|object<Iterator>.

        for ($i = 0; $i < $lft->getSize(); ++$i) {
            $result[$i]->add($rgt[$i]);
        }

        return $result;
    }

    /**
     * Calculates the angle between the two given vectors.
     *
     * @param Vector $lft The left vector.
     * @param Vector $rgt The right vector.
     * @return float Returns the angle in radians.
     */
    public static function angleBetween(Vector $lft, Vector $rgt)
    {
        return acos($lft->dotProduct($rgt)->getValue());
    }

    /**
     * Subtracts the two given vectors from each other.
     *
     * @param Vector $lft The left vector.
     * @param Vector $rgt The right vector.
     * @return Vector
     * @throws InvalidArgumentException Thrown when the given vector is of a different length.
     */
    public static function subtract(Vector $lft, Vector $rgt)
    {
        if ($lft->getSize() != $rgt->getSize()) {
            throw new InvalidArgumentException('Invalid vectors provided, should be of the same size.');
        }

        $result = new Vector($lft);

$lft is of type object<PHP\Math\Vector\Vector>, but the function expects a array|object<Iterator>.

        for ($i = 0; $i < $lft->getSize(); ++$i) {
            $result[$i]->subtract($rgt[$i]);
        }

        return $result;
    }
}