import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.layout.*;
import javafx.scene.shape.Circle;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.util.Duration;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.scene.control.Label;
import javafx.scene.paint.Color;
import javafx.scene.shape.Polygon;
import javafx.scene.shape.Rectangle;
public class Exercise extends Application {
private static Timeline animation1 = null;
private static Timeline animation2 = null;
private static Timeline animation3 = null;
private static Timeline animation4 = null;
@Override
public void start(Stage primaryStage) {
BorderPane pane = new BorderPane();
TextField tfCar1 = new TextField();
TextField tfCar2 = new TextField();
TextField tfCar3 = new TextField();
TextField tfCar4 = new TextField();
tfCar1.setPrefColumnCount(2);
tfCar2.setPrefColumnCount(2);
tfCar3.setPrefColumnCount(2);
tfCar4.setPrefColumnCount(2);
HBox carhBox = new HBox(5);
carhBox.setAlignment(Pos.CENTER);
carhBox.getChildren().addAll(new Label("Car 1: "), tfCar1,
new Label("Car 2: "), tfCar2, new Label("Car 3: "), tfCar3,
new Label("Car 4: "), tfCar4);
VBox vBox = new VBox(5);
CarPane car1 = new CarPane();
CarPane car2 = new CarPane();
CarPane car3 = new CarPane();
CarPane car4 = new CarPane();
vBox.getChildren().addAll(car1, car2, car3, car4);
pane.setCenter(carhBox);
pane.setBottom(vBox);
tfCar1.setOnAction(e -> car1.setSpeed(
Integer.parseInt(tfCar1.getText())));
tfCar2.setOnAction(e -> car2.setSpeed(
Integer.parseInt(tfCar2.getText())));
tfCar3.setOnAction(e -> car3.setSpeed(
Integer.parseInt(tfCar3.getText())));
tfCar4.setOnAction(e -> car4.setSpeed(
Integer.parseInt(tfCar4.getText())));
car1.widthProperty().addListener(e -> car1.setW(car1.getWidth()));
car2.widthProperty().addListener(e -> car2.setW(car2.getWidth()));
car3.widthProperty().addListener(e -> car3.setW(car3.getWidth()));
car4.widthProperty().addListener(e -> car4.setW(car4.getWidth()));
Time time1 = new Time();
Text text1 = new Text("00:00:00");
animation1 = new Timeline(
new KeyFrame(Duration.millis(1000), e -> {
time1.increase();
text1.setText(time1.toString());
}));
animation1.setCycleCount(Timeline.INDEFINITE);
HBox hBox1 = new HBox(5);
Button btStart1 = new Button("Start");
Button btClear1 = new Button("Clear");
hBox1.getChildren().addAll(btStart1, btClear1);
hBox1.setAlignment(Pos.CENTER);
btStart1.setOnAction(e -> {
if (btStart1.getText().equals("Start")) {
btStart1.setText("Pause");
animation1.play();
car1.animation.play();
}
else if (btStart1.getText().equals("Pause")) {
btStart1.setText("Continue");
animation1.pause();
car1.animation.pause();
}
else if (btStart1.getText().equals("Continue")) {
btStart1.setText("Pause");
animation1.play();
car1.animation.play();
}
});
btClear1.setOnAction(e -> {
text1.setText("00:00:00");
animation1.pause();
time1.reset();
btStart1.setText("Start");
car1.baseX=0;
car1.setValues();
});
text1.setFont(Font.font("Times", 35));
GridPane gridPane1 = new GridPane();
gridPane1.add(text1,0,0);
gridPane1.add(hBox1,0,1);
Time time2 = new Time();
Text text2 = new Text("00:00:00");
animation2 = new Timeline(
new KeyFrame(Duration.millis(1000), e -> {
time2.increase();
text2.setText(time2.toString());
}));
animation2.setCycleCount(Timeline.INDEFINITE);
HBox hBox2 = new HBox(5);
Button btStart2 = new Button("Start");
Button btClear2 = new Button("Clear");
hBox2.getChildren().addAll(btStart2, btClear2);
hBox2.setAlignment(Pos.CENTER);
btStart2.setOnAction(e -> {
if (btStart2.getText().equals("Start")) {
btStart2.setText("Pause");
animation2.play();
car2.animation.play();
}
else if (btStart2.getText().equals("Pause")) {
btStart2.setText("Continue");
animation2.pause();
car2.animation.pause();
}
else if (btStart2.getText().equals("Continue")) {
btStart2.setText("Pause");
animation2.play();
car2.animation.play();
}
});
btClear2.setOnAction(e -> {
text2.setText("00:00:00");
animation2.pause();
time2.reset();
btStart2.setText("Start");
car2.baseX=0;
car2.setValues();
});
text2.setFont(Font.font("Times", 35));
GridPane gridPane2 = new GridPane();
gridPane2.add(text2,0,0);
gridPane2.add(hBox2,0,1);
Time time3 = new Time();
Text text3 = new Text("00:00:00");
animation3 = new Timeline(
new KeyFrame(Duration.millis(1000), e -> {
time3.increase();
text3.setText(time3.toString());
}));
animation3.setCycleCount(Timeline.INDEFINITE);
HBox hBox3 = new HBox(5);
Button btStart3 = new Button("Start");
Button btClear3 = new Button("Clear");
hBox3.getChildren().addAll(btStart3, btClear3);
hBox3.setAlignment(Pos.CENTER);
btStart3.setOnAction(e -> {
if (btStart3.getText().equals("Start")) {
btStart3.setText("Pause");
animation3.play();
car3.animation.play();
}
else if (btStart3.getText().equals("Pause")) {
btStart3.setText("Continue");
animation3.pause();
car3.animation.pause();
}
else if (btStart3.getText().equals("Continue")) {
btStart3.setText("Pause");
animation3.play();
car3.animation.play();
}
});
btClear3.setOnAction(e -> {
text3.setText("00:00:00");
animation3.pause();
time3.reset();
btStart3.setText("Start");
car3.baseX=0;
car3.setValues();
});
text3.setFont(Font.font("Times", 35));
GridPane gridPane3 = new GridPane();
gridPane3.add(text3,0,0);
gridPane3.add(hBox3,0,1);
Time time4 = new Time();
Text text4 = new Text("00:00:00");
animation4 = new Timeline(
new KeyFrame(Duration.millis(1000), e -> {
time4.increase();
text4.setText(time4.toString());
}));
animation4.setCycleCount(Timeline.INDEFINITE);
HBox hBox4 = new HBox(5);
Button btStart4 = new Button("Start");
Button btClear4 = new Button("Clear");
hBox4.getChildren().addAll(btStart4, btClear4);
hBox4.setAlignment(Pos.CENTER);
btStart4.setOnAction(e -> {
if (btStart4.getText().equals("Start")) {
btStart4.setText("Pause");
animation4.play();
car4.animation.play();
}
else if (btStart4.getText().equals("Pause")) {
btStart4.setText("Continue");
animation4.pause();
car4.animation.pause();
}
else if (btStart4.getText().equals("Continue")) {
btStart4.setText("Pause");
animation4.play();
car4.animation.play();
}
});
btClear4.setOnAction(e -> {
text4.setText("00:00:00");
animation4.pause();
time4.reset();
btStart4.setText("Start");
car4.baseX=0;
car4.setValues();
});
text4.setFont(Font.font("Times", 35));
GridPane gridPane4 = new GridPane();
gridPane4.add(text4,0,0);
gridPane4.add(hBox4,0,1);
HBox hBox = new HBox();
hBox.setSpacing(40);
hBox.getChildren().addAll(gridPane1,gridPane2,gridPane3,gridPane4);
pane.setTop(hBox);
Scene scene = new Scene(pane, 800, 400);
primaryStage.setTitle("Exercise");
primaryStage.setScene(scene);
primaryStage.show();
}
public static void main(String[] args){
launch(args);
}
static class Time {
int value = 0;
int getSecond(){
return value % 60;
}
int getMinute(){
return value / 60 % 60;
}
int getHour(){
return value / 3600;
}
void reset(){
value = 0;
}
void increase(){
value++;
}
@Override
public String toString() {
String hour,minute,second;
if(this.getHour()<10) hour = "0"+this.getHour();
else hour = ""+this.getHour();
if(this.getMinute()<10) minute = "0"+this.getMinute();
else minute = ""+this.getMinute();
if(this.getSecond()<10) second = "0"+this.getSecond();
else second = ""+this.getSecond();
return hour+":"+minute+":"+second;
}
}
class CarPane extends Pane {
private double w = 200;
private double h = 40;
private double baseX = 0;
private double baseY = h;
private Circle c1 = new Circle(baseX + 10 + 5, baseY - 10 + 5, 5);
private Circle c2 = new Circle(baseX + 30 + 5, baseY - 10 + 5, 5);
private Rectangle carBody = new Rectangle(baseX, baseY - 20, 50, 10);
private Polygon carTop = new Polygon(baseX + 10, baseY - 20,
baseX + 20, baseY - 30, baseX + 30, baseY - 30,
baseX + 40, baseY - 20);
private int speed = 50;
Timeline animation = new Timeline(
new KeyFrame(Duration.millis(150 - speed), e -> move()));
private void setSpeed(int speed) {
animation.setRate(speed);
}
private CarPane() {
this.setStyle("-fx-border-color: black");
carBody.setFill(Color.GREEN);
carTop.setFill(Color.RED);
this.getChildren().addAll(c1, c2, carBody, carTop);
animation.setCycleCount(Timeline.INDEFINITE);
animation.pause();
requestFocus();
}
private void move() {
if (baseX > w) {
baseX = -20;
} else {
baseX += 1;
}
if(baseX==750){
animation.pause();
Exercise.animation1.pause();
Exercise.animation2.pause();
Exercise.animation3.pause();
Exercise.animation4.pause();
}
setValues();
}
private void setValues() {
c1.setCenterX(baseX + 10 + 5);
c1.setCenterY(baseY - 10 + 5);
c2.setCenterX(baseX + 30 + 5);
c2.setCenterY(baseY - 10 + 5);
carBody.setX(baseX);
carBody.setY(baseY - 20);
carTop.getPoints().clear();
carTop.getPoints().addAll(baseX + 10, baseY - 20,
baseX + 20, baseY - 30, baseX + 30, baseY - 30,
baseX + 40, baseY - 20);
}
private void setW(double w) {
this.w = w;
setValues();
}
private void setH(double h) {
this.h = h;
baseY = h;
setValues();
}
}
}
