1: <?php
 2: 
 3: namespace Quadtree;
 4: 
 5: class CollisionDetector implements \Quadtree\ICollisionDetector
 6: {
 7:     /**
 8:      * @param \Quadtree\Geometry\Bounds $bounds
 9:      * @param \Quadtree\Insertable $item
10:      * @return boolean
11:      */
12:     public function intersects(Geometry\Bounds $bounds, Insertable $item)
13:     {
14:         return $bounds->getBounds()->intersects($item->getBounds());
15:     }
16:     
17:     /**
18:      * @param \Quadtree\Insertable[] $insertedItems
19:      * @param \Quadtree\Insertable $item
20:      * @return boolean
21:      */
22:     public function collide(array $insertedItems, Insertable $item) {
23:         foreach ($insertedItems as $insertedItem) {
24:             /* @var $insertedItem Insertable */
25:             if ($insertedItem->getBounds()->intersects($item->getBounds())) {
26:                 return TRUE;
27:             }
28:         }
29:         return FALSE;
30:     }
31: }
32: