如何利用JavaFx编写一个球绕特定的轨迹移动（以三角函数为例）详细代码包含解析

import javafx.animation.PathTransition;
import javafx.animation.PathTransition.OrientationType;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.input.MouseButton;
import javafx.scene.layout.Pane;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Line;
import javafx.scene.shape.Polyline;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.util.Duration;

public class ArcBall extends Application{

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		launch(args);

	}

	@Override
	public void start(Stage stage) throws Exception {
		// TODO Auto-generated method stub
		Pane pane=new Pane();
		//绘制坐标轴
		Line line1=new Line(10,100,390,100);
		//x轴上的箭头
		Line l1=new Line(390,100,370,90);
		Line l2=new Line(390,100,370,110);
		Text text1=new Text(380,70,"X");