Java Code Examples for javafx.scene.shape.Circle#getCenterX()

The following examples show how to use javafx.scene.shape.Circle#getCenterX() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: CatchBall.java    From games_oop_javafx with Apache License 2.0 5 votes vote down vote up
private void catchEnemy(Circle hero,  List<Circle> apples, Pane canvas) {
    double heroX = hero.getTranslateX() + hero.getCenterX();
    double heroY = hero.getTranslateY() + hero.getCenterY();
    for (Circle apple : apples) {
        double enemyX = apple.getLayoutX() - apple.getRadius() / 2;
        double enemyY = apple.getLayoutY() - apple.getRadius() / 2;
        if (heroX + hero.getRadius() >= enemyX
                && heroX <= enemyX
                && heroY + hero.getRadius() >= enemyY
                && heroY <= enemyY) {
            canvas.getChildren().remove(apple);
            break;
        }
    }
}
 
Example 2
Source File: Exercise_14_22.java    From Intro-to-Java-Programming with MIT License 5 votes vote down vote up
@Override // Override the start method in the Application class
public void start(Stage primaryStage) {
	// Create a pane
	Pane pane = new Pane();

	// Create two circles
	Circle c1 = new Circle(20 + Math.random() * 201,
		20 + Math.random() * 201, 15);
	c1.setFill(Color.WHITE);
	c1.setStroke(Color.BLACK);
	
	Circle c2 = new Circle(20 + Math.random() * 201,
		20 + Math.random() * 201, 15);
	c2.setFill(Color.WHITE);
	c2.setStroke(Color.BLACK);

	// Create a line
	Line line = new Line(c1.getCenterX(), c1.getCenterY(),
		c2.getCenterX(), c2.getCenterY());

	// Add nodes to pane
	pane.getChildren().addAll(line, c1, c2, new Text(c1.getCenterX(), 
		c1.getCenterY(), "1"), new Text(c2.getCenterX(), c2.getCenterY(), "2"));

	// Create a scene and place it in the stage
	Scene scene = new Scene(pane);
	primaryStage.setTitle("Exercise_14_22"); // Set the stage title
	primaryStage.setScene(scene); // Place the scene in the stage
	primaryStage.show(); // Display the stage
}
 
Example 3
Source File: Exercise_14_11.java    From Intro-to-Java-Programming with MIT License 5 votes vote down vote up
/** Return a Polygon of specified properties */
private Polygon getPolygon(Circle c) {
	double length = c.getRadius() / 4;
	Polygon p = new Polygon(c.getCenterX(), c.getCenterY() - length,
		c.getCenterX() - length, c.getCenterY() + length, c.getCenterX() + length, 
		c.getCenterY() + length);
	p.setFill(Color.WHITE);
	p.setStroke(Color.BLACK);
	return p;
}
 
Example 4
Source File: Exercise_14_21.java    From Intro-to-Java-Programming with MIT License 5 votes vote down vote up
@Override // Override the start method in the Application class
public void start(Stage primaryStage) {
	// Create a pane
	Pane pane = new Pane();

	// Create two circles
	Circle circle1 = new Circle(Math.random() * 201, Math.random() * 201, 15);
	Circle circle2 = new Circle(Math.random() * 201, Math.random() * 201, 15);

	// Create a line
	Line line = new Line(circle1.getCenterX(), circle1.getCenterY(),
		circle2.getCenterX(), circle2.getCenterY());

	// Calculate distane between the two centers of the circles
	double distance = Math.sqrt(Math.pow(line.getEndX() - line.getStartX(), 2)
		+ Math.pow(line.getEndY() - line.getStartY(), 2));

	// Create a text
	double x = (line.getStartX() + line.getEndX()) / 2;
	double y = (line.getStartY() + line.getEndY()) / 2;
	Text text = new Text(x, y, String.valueOf(distance));
	
	// Add nodes to pane
	pane.getChildren().addAll(circle1, circle2, line, text);

	// Create a scene and place it in the stage
	Scene scene = new Scene(pane);
	primaryStage.setTitle("Exercise_14_21"); // Set the stage title 
	primaryStage.setScene(scene); // Place the scene in the stage
	primaryStage.show(); // Display the stage
}
 
Example 5
Source File: ShapeConverter.java    From Enzo with Apache License 2.0 5 votes vote down vote up
public static String convertCircle(final Circle CIRCLE) {
    final StringBuilder fxPath = new StringBuilder();
    final double CENTER_X         = CIRCLE.getCenterX() == 0 ? CIRCLE.getRadius() : CIRCLE.getCenterX();
    final double CENTER_Y         = CIRCLE.getCenterY() == 0 ? CIRCLE.getRadius() : CIRCLE.getCenterY();
    final double RADIUS           = CIRCLE.getRadius();
    final double CONTROL_DISTANCE = RADIUS * KAPPA;
    // Move to first point
    fxPath.append("M ").append(CENTER_X).append(" ").append(CENTER_Y - RADIUS).append(" ");
    // 1. quadrant
    fxPath.append("C ").append(CENTER_X + CONTROL_DISTANCE).append(" ").append(CENTER_Y - RADIUS).append(" ")
          .append(CENTER_X + RADIUS).append(" ").append(CENTER_Y - CONTROL_DISTANCE).append(" ")
          .append(CENTER_X + RADIUS).append(" ").append(CENTER_Y).append(" ");
    // 2. quadrant
    fxPath.append("C ").append(CENTER_X + RADIUS).append(" ").append(CENTER_Y + CONTROL_DISTANCE).append(" ")
          .append(CENTER_X + CONTROL_DISTANCE).append(" ").append(CENTER_Y + RADIUS).append(" ")
          .append(CENTER_X).append(" ").append(CENTER_Y + RADIUS).append(" ");
    // 3. quadrant
    fxPath.append("C ").append(CENTER_X - CONTROL_DISTANCE).append(" ").append(CENTER_Y + RADIUS).append(" ")
          .append(CENTER_X - RADIUS).append(" ").append(CENTER_Y + CONTROL_DISTANCE).append(" ")
          .append(CENTER_X - RADIUS).append(" ").append(CENTER_Y).append(" ");
    // 4. quadrant
    fxPath.append("C ").append(CENTER_X - RADIUS).append(" ").append(CENTER_Y - CONTROL_DISTANCE).append(" ")
          .append(CENTER_X - CONTROL_DISTANCE).append(" ").append(CENTER_Y - RADIUS).append(" ")
          .append(CENTER_X).append(" ").append(CENTER_Y - RADIUS).append(" ");
    // Close path
    fxPath.append("Z");
    return fxPath.toString();
}
 
Example 6
Source File: NodePart.java    From gef with Eclipse Public License 2.0 4 votes vote down vote up
private Node edge(Circle n, Circle m) {
	Line line = new Line(n.getCenterX(), n.getCenterY(), m.getCenterX(), m.getCenterY());
	line.setStroke(Color.BLACK);
	return line;
}
 
Example 7
Source File: Exercise_15_16.java    From Intro-to-Java-Programming with MIT License 4 votes vote down vote up
private Text getText(Circle circle1, Circle circle2) {
	return new Text((circle1.getCenterX() + circle2.getCenterX()) / 2, 
		(circle1.getCenterY() + circle2.getCenterY()) / 2, 
		distance(circle1, circle2));
}
 
Example 8
Source File: Exercise_15_16.java    From Intro-to-Java-Programming with MIT License 4 votes vote down vote up
private Line getLine(Circle circle1, Circle circle2) {
	return new Line(circle1.getCenterX(), circle1.getCenterY(),
		circle2.getCenterX(), circle2.getCenterY());
}
 
Example 9
Source File: Shape2Geometry.java    From gef with Eclipse Public License 2.0 3 votes vote down vote up
/**
 * Converts the given JavaFX {@link Circle} to a
 * {@link org.eclipse.gef.geometry.planar.Ellipse}.
 *
 * @param circle
 *            The JavaFX {@link Circle} to convert.
 * @return The newly created
 *         {@link org.eclipse.gef.geometry.planar.Ellipse} that describes
 *         the given {@link Circle}.
 */
public static org.eclipse.gef.geometry.planar.Ellipse toEllipse(
		Circle circle) {
	return new org.eclipse.gef.geometry.planar.Ellipse(
			circle.getCenterX() - circle.getRadius(),
			circle.getCenterY() - circle.getRadius(),
			circle.getRadius() + circle.getRadius(),
			circle.getRadius() + circle.getRadius());
}