MatthiasMullie\Geo\Cluster::addCoordinate()

Complexity

Conditions	7
Paths	4

Size

Total Lines	36
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function addCoordinate(Coordinate $coord, $save)
    {
        if ($save) {
            $this->coordinates[] = $coord;
        }

        // initialize the cluster
        if ($this->total == 0) {
            $this->bounds = new Bounds($coord, $coord);
            $this->center = $coord;
            $this->total = 1;

            return;
        }

        // adjust cluster bounds to include this coordinate
        $this->bounds = new Bounds(
            new Coordinate(
                // these shorthand ifs are equivalent to min() and max(), but faster
                $this->bounds->ne->latitude > $coord->latitude ? $this->bounds->ne->latitude : $coord->latitude,
                $this->bounds->ne->longitude > $coord->longitude ? $this->bounds->ne->longitude : $coord->longitude
            ),
            new Coordinate(
                $this->bounds->sw->latitude < $coord->latitude ? $this->bounds->sw->latitude : $coord->latitude,
                $this->bounds->sw->longitude < $coord->longitude ? $this->bounds->sw->longitude : $coord->longitude
            )
        );

        // adjust weighed center
        $this->center = new Coordinate(
            (($this->center->latitude * $this->total) + $coord->latitude) / ($this->total + 1),
            (($this->center->longitude * $this->total) + $coord->longitude) / ($this->total + 1)
        );

        $this->total++;
    }
}