package shape; import javafx.geometry.Point2D; import javafx.scene.canvas.GraphicsContext; import javafx.scene.paint.Color; public class Circle implements Shape { private double radius, x, y; public Circle(double x, double y, double radius) { this.x = x; this.y = y; this.radius = radius; } @Override public void paint(GraphicsContext graphicsContext) { graphicsContext.setStroke(Color.RED); graphicsContext.strokeOval(x-radius, y-radius, 2 * radius, 2 * radius); } @Override public boolean contains(double x, double y) { double dx = x - this.x; double dy = y - this.y; return Math.sqrt(dx*dx + dy*dy) <= radius; } @Override public void translate(double dx, double dy) { this.x += dx; this.y += dy; } public void updateRadius(double newX, double newY) { this.radius = Math.sqrt(Math.pow(newX - this.x, 2) + Math.pow(newY - this.y, 2)); } }