BouncingBall

Semester 3/Assignments/lab3_CalebFontenot/src/lab3_calebfontenot/BallControl.java

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+/*
+ * 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.application.Application;
+import javafx.event.EventHandler;
+import javafx.scene.Scene;
+import javafx.scene.input.MouseEvent;
+import javafx.stage.Stage;
+
+/**
+ *
+ * @author caleb
+ */
+public class BallControl extends Application {
+
+    @Override
+    public void start(Stage primaryStage) throws Exception
+    {
+        BouncingBall bouncingBall = new BouncingBall();
+        // Create a scene and place it in the stage
+        Scene scene = new Scene(bouncingBall, 800, 600);
+        primaryStage.setTitle("Bouncing Ball Control");
+        primaryStage.setScene(scene);
+        primaryStage.show();
+        bouncingBall.requestFocus();
+        
+        bouncingBall.setOnMousePressed(new EventHandler<MouseEvent>() {
+            @Override
+            public void handle(MouseEvent event)
+            {
+                bouncingBall.pause();
+            }
+            
+        });
+        
+        bouncingBall.setOnMouseReleased(e ->
+        {
+            bouncingBall.play();
+        });
+    }
+    // Increase and decrease animation
+    bouncingBall.setOnKeyPressed(e -> 
+            {
+        if (e.getCode() == KeyCode.UP) {
+            bouncingBall.increaseSpeed();
+        } else if (e.getCode() == KeyCode.DOWN) {
+            bouncingBall.decreaseSpeed();
+        }
+    });
+    public static void main(String[] args)
+    {
+        launch(args);
+    }
+}

Semester 3/Assignments/lab3_CalebFontenot/src/lab3_calebfontenot/BouncingBall.java

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+/*
+ * 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);
+}
+
+public void decreaseSpeed() {
+    animation.setRate(animation.getRate() * 1.5 > 0 ? animation.getRate() / 1.5 : 0);
+}
+
+public DoubleProperty rateProperty() {
+    return animation.rateProperty();
+}
+}

Semester 3/Assignments/lab3_CalebFontenot/src/lab3_calebfontenot/Lab3_CalebFontenot.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/javafx/FXMain.java to edit this template
+ */
+package lab3_calebfontenot;
+
+import javafx.application.Application;
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.layout.StackPane;
+import javafx.stage.Stage;
+
+/**
+ *
+ * @author caleb
+ */
+public class Lab3_CalebFontenot extends Application {
+    
+    @Override
+    public void start(Stage primaryStage)
+    {
+        Button btn = new Button();
+        btn.setText("Say 'Hello World'");
+        btn.setOnAction(new EventHandler<ActionEvent>() {
+            
+            @Override
+            public void handle(ActionEvent event)
+            {
+                System.out.println("Hello World!");
+            }
+        });
+        
+        StackPane root = new StackPane();
+        root.getChildren().add(btn);
+        
+        Scene scene = new Scene(root, 300, 250);
+        
+        primaryStage.setTitle("Hello World!");
+        primaryStage.setScene(scene);
+        primaryStage.show();
+    }
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args)
+    {
+        launch(args);
+    }
+    
+}