Returns true, if an element at position x,y exists @param x x position @param y y position @return true, if an element exists
(final int x, final int y)
| 298 | * @return true, if an element exists |
| 299 | */ |
| 300 | public boolean exist(final int x, final int y) { |
| 301 | return elements.exist(x, y); |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * Check whether the layer is empty |
no outgoing calls