stage.setScene(scene);
stage.setOpacity(0.1);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
stage.setWidth(screenSize.getWidth());
stage.setHeight(screenSize.getHeight());
stage.show();
scene.setOnMousePressed(new EventHandler<MouseEvent>() {
public void handle(MouseEvent me) {
spearX = (int) me.getScreenX();
spearY = (int) me.getScreenY();
spearDelay = Integer.parseInt(delay.getText());