/**
* Returns picked node on pickPath if pickPath is not null, or null.
*
* @param pickPath from which to extract picked node
* @return the picked node or null if pickPath is null
*/
private PNode getPickedNode(final PPickPath pickPath) {
if (pickPath == null) {
return null;
} else {
return pickPath.getPickedNode();
}
}
public void testPick() {
PCanvas canvas = new PCanvas();
PCamera camera = canvas.getCamera();
PLayer layer = canvas.getLayer();
camera.setBounds(0, 0, 100, 100);
PNode a = PPath.createRectangle(0, 0, 100, 100);
PNode b = PPath.createRectangle(0, 0, 100, 100);
PNode c = PPath.createRectangle(0, 0, 100, 100);
layer.addChild(a);
layer.addChild(b);
layer.addChild(c);
PPickPath pickPath = camera.pick(50, 50, 2);
assertTrue(pickPath.getPickedNode() == c);
assertTrue(pickPath.nextPickedNode() == b);
assertTrue(pickPath.nextPickedNode() == a);
assertTrue(pickPath.nextPickedNode() == camera);
assertTrue(pickPath.nextPickedNode() == null);
assertTrue(pickPath.nextPickedNode() == null);
}