/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package lab3_calebfontenot;

import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import static javafx.application.Application.launch;
import javafx.beans.property.DoubleProperty;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.util.Duration;

/**
 *
 * @author caleb
 */
public class BouncingBall extends Pane {

    final double radius = 20;
    private double x = radius, y = radius;
    private double dx = 1, dy = 1;
    private Circle circle = new Circle(x, y, radius);
    private Timeline animation;

    public BouncingBall()
    {
        circle.setFill(Color.BROWN); // Set ball color
        getChildren().add(circle); // Place a ball into this pane

        // Create an animation for moving the ball
        animation = new Timeline(new KeyFrame(Duration.millis(1), new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent t)
            {
                moveBall();
            }
        })
        );
        animation.setRate(animation.getRate() * 20);
        animation.setCycleCount(Timeline.INDEFINITE);
        animation.play();
    }
    
private void moveBall() {
    // Check boundaries
    if (x < radius || x > getWidth() - radius) {
        dx *= -1; // Change ball move direction
    }
    if (y < radius || y > getHeight() - radius) {
        dy *= -1; // Change ball move direction
    }
    
    // Adjust ball position by 1 or -1
    x += dx;
    y += dy;
    circle.setCenterX(x);
    circle.setCenterY(y);
}
public void play() {
    animation.play();
}

public void pause() {
    animation.pause();
}

public void increaseSpeed() {
    animation.setRate(animation.getRate() * 1.5);
    System.out.println(animation.getRate());
}

public void decreaseSpeed() {
    animation.setRate(animation.getRate() * 1.5 > 0 ? animation.getRate() / 1.5 : 0);
    System.out.println(animation.getRate());
}

public DoubleProperty rateProperty() {
    return animation.rateProperty();
}
}