JavaTest.zip_java fx_java 毕业设计_limitedbjb

package cn.edu.ayit.y; import javafx.animation.PathTransition; import javafx.animation.Timeline; import javafx.application.Application; import javafx.scene.Scene; import static javafx.scene.input.KeyCode.SPACE; import javafx.scene.layout.Pane; import javafx.scene.paint.Color; 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 MovingBallSin extends Application { @Override public void start(Stage primaryStage) { Pane pane = new Pane(); Circle circle = new Circle(15); circle.setStroke(Color.PINK); circle.setFill(Color.PINK); Double[] points=new Double[2000]; points[0]=0.0; points[1]=200.0; double d=0.8; //取点间隔 //生成正弦曲线上的1000个点 for(int i=2;i<1999;i++){ points[i]=points[i-2]+d; points[i+1]=200+70*Math.sin(points[i]/20); i++; } //用折线逼近正弦曲线 Polyline polyline = new Polyline(); polyline.getPoints().addAll(points); polyline.setStroke(Color.BLUEVIOLET); pane.getChildren().add(circle); pane.getChildren().add(polyline); //x轴、y轴 Line y=new Line(440,0,440,400); Line x=new Line(0,200,800,200); Line tick1 = new Line(440,0,435,10); Line tick2 = new Line(440,0,445,10); Line tick3 = new Line(800,200,790,195); Line tick4 = new Line(800,200,790,205); Text texty = new Text(420,10,"Y"); Text textx = new Text(780,190,"X"); Text textPi1 = new Text(560,210,"2π"); Text textPi2 = new Text(300,210,"-2π"); Text text0 = new Text(430,210,"0"); pane.getChildren().addAll(x,y,texty,textx,tick1,tick2,tick3,tick4); pane.getChildren().addAll(textPi1,textPi2,text0); PathTransition pt = new PathTransition(); pt.setPath(polyline); pt.setNode(circle); pt.setDuration(Duration.seconds(6)); pt.setOrientation(PathTransition.OrientationType.ORTHOGONAL_TO_TANGENT); pt.setCycleCount(Timeline.INDEFINITE); pt.play(); circle.setOnKeyPressed(e->{ if(e.getCode()==SPACE && pt.getStatus()==PathTransition.Status.RUNNING) pt.pause(); else if(e.getCode()==SPACE) pt.play(); }); Scene scene = new Scene(pane, 800, 400); primaryStage.setTitle("The Moving Ball"); primaryStage.setScene(scene); primaryStage.show(); primaryStage.setResizable(false); circle.requestFocus(); } public static void main(String[] args) { launch(args); } }