contains()

Author: michalsanger

Quadtree/Geometry/Bounds.php

@@ -169,4 +169,16 @@ public function __toString()
         return '(' . $values . ')';
     }
 
+    /**
+     * Tests whether this rectangle entirely contains another rectangle
+     * @param \Quadtree\Geometry\Bounds $other
+     * @return boolean
+     */
+    public function contains(Bounds $other)
+    {
+        return $this->left <= $other->getLeft()
+                && $this->top <= $other->getTop()
+                && ($this->left + $this->width) >= ($other->getLeft() + $other->getWidth())
+                && ($this->top + $this->height) >= ($other->getTop() + $other->getHeight());
+    }
 }

tests/Geometry/Bounds.contains.phpt

@@ -0,0 +1,19 @@
+<?php
+
+require __DIR__ . '/../bootstrap.php';
+
+use Tester\Assert;
+use Quadtree\Geometry\Bounds;
+
+$b0 = new Bounds(100, 100);
+Assert::true($b0->contains(new Bounds(10, 10)));
+Assert::true($b0->contains(new Bounds(10, 10, 5, 5)));
+Assert::true($b0->contains($b0));
+Assert::false($b0->contains(new Bounds(200, 200)));
+
+$b = new Bounds(10, 20, 10, 10);
+Assert::true($b->contains(new Bounds(5, 5, 15, 15)));
+Assert::true($b->contains(new Bounds(5, 5, 15, 25)));
+Assert::true($b->contains($b));
+Assert::false($b->contains(new Bounds(10, 10)));
+