BouncingBall2

package bouncingball2;

import java.util.Random;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.input.MouseButton;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;
import javafx.util.Duration;

public class BouncingBall2 extends Application {

    private Random rand = new Random();
    private Rectangle rect;
    private Circle circle;
    private Label label;
    private Label count;
    private int eats;
    private int incX = rand.nextInt(3) + 1, incY = rand.nextInt(2) + 1;

    @Override
    public void start(Stage stage) throws Exception {
        Group root = new Group();
        circle = new Circle(200, 200, 25);
        circle.setFill(Color.RED);
        rect = new Rectangle(rand.nextInt(395), rand.nextInt(395), 70, 70);
        label = new Label("Eats: ");
        count = new Label("0");
        count.setTranslateX(32);
        rect.setFill(Color.BLUE);
        root.getChildren().add(label);
        root.getChildren().add(count);
        root.getChildren().add(rect);
        root.getChildren().add(circle);
        Scene scene = new Scene(root, 400, 400);
        stage.setScene(scene);
        stage.show();
        EventHandler<ActionEvent> eventHandler = e -> {
            if (circle.getCenterX() > 400 || circle.getCenterX() < 0) {
                incX *= -1;
            }

            if (circle.getCenterY() > 400 || circle.getCenterY() < 0) {
                incY *= -1;
            }
            circle.setCenterX(circle.getCenterX() + incX);
            circle.setCenterY(circle.getCenterY() + incY);

            if (circle.getCenterX() >= rect.getX()-21.5 && circle.getCenterX() <= rect.getX() + 91.5 &&
                    circle.getCenterY() >= rect.getY()-21.5 && circle.getCenterY() <= rect.getY() + 91.5){
                eats++;
                count.setText(eats + "");
                circle.setCenterX(rand.nextInt(390));
                circle.setCenterY(rand.nextInt(390));
            }

        };
        rect.setOnKeyPressed(e -> {
            switch (e.getCode()) {
                case DOWN:
                    if (rect.getY() < 300) {
                        rect.setY(rect.getY() + 10);
                    }
                    break;
                case UP:
                    if (rect.getY() > 0) {
                        rect.setY(rect.getY() - 10);
                    }
                    break;
                case LEFT:
                    if (rect.getX() > 0) {
                        rect.setX(rect.getX() - 10);
                    }
                    break;
                case RIGHT:
                    if (rect.getX() < 250) {
                        rect.setX(rect.getX() + 10);
                    }
                    break;
            }
        });
        rect.requestFocus();
        Timeline animation = new Timeline(new KeyFrame(Duration.millis(19), eventHandler));
        animation.setCycleCount(Timeline.INDEFINITE);
        animation.play();
        circle.setOnMousePressed(e->{
            if (e.getButton().equals(MouseButton.PRIMARY)){
                if (animation.getStatus().equals(animation.getStatus().RUNNING))
                    animation.pause();
                else
                    animation.play();
            }
            else
                animation.setRate(animation.getRate() + 1);

        });
    }

    public static void main(String[] args) {
        launch(args);
    }
}