classes/Routing/UrlGenerator.php
public function getAssetUrl($path, $relative = false)
	{
		if (substr($path, 0, 1) !== '/') {
			$path = '/'.$path;
		}

		if ($this->assetRoot !== null) {
			$base = $this->assetRoot;
		} else if ($relative) {
			$base = $this->requests
				->getCurrentRequest()
				->getBaseUrl();
		} else {
			$base = $this->getRootUrl();
		}

		return $base . $path;
	}
public function getAssetUrl($path, $relative = false)
	{
		if (substr($path, 0, 1) !== '/') {
			$path = '/'.$path;
		}

		if ($this->assetRoot !== null) {
			$base = $this->assetRoot;
		} else if ($relative) {
			$base = $this->requests
				->getCurrentRequest()
				->getBaseUrl();
		} else {
			$base = $this->getRootUrl();
		}

		return $base . $path;
	}
Get the URL to an asset.

@param  string  $path
@param  boolean $relative

@return string