* Find a vacant area that will fit the given bounds nearest the requested
* cell location. Uses Euclidean distance to score multiple vacant areas.
*
- * @param cellX The X location of the desired location.
- * @param cellY The Y location of the desired location.
+ * @param pixelX The X location at which you want to search for a vacant area.
+ * @param pixelY The Y location at which you want to search for a vacant area.
* @param spanX Horizontal span of the object.
* @param spanY Vertical span of the object.
* @param vacantCells Pre-computed set of vacant cells to search.