javafx动画---风扇图

package experiment8; import javafx.animation.KeyFrame; import javafx.animation.Timeline; import javafx.animation.Animation; import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.stage.Stage; import javafx.util.Duration; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.HBox; import javafx.scene.layout.Pane; import javafx.scene.layout.VBox; import javafx.scene.paint.Color; import javafx.scene.shape.Arc; import javafx.scene.shape.ArcType; import javafx.scene.shape.Circle; import javafx.scene.transform.Rotate; public class experiment8true extends Application { int direction = 1; public void start(Stage primaryStage) { Pane pane = new Pane(); //pane(circle arcs) Circle circle = new Circle(130,120,100); circle.setFill(null); circle.setStroke(Color.BLACK); pane.getChildren().add(circle); Arc arc[] = new Arc[4]; //arcs for(int i=0;i<arc.length;i++) { arc[i] = new Arc(130,120,90,90,90*i-20,40); arc[i].setType(ArcType.ROUND); arc[i].setFill(Color.ORANGE); pane.getChildren().add(arc[i]); } // Timeline animation = new Timeline(new KeyFrame(Duration.millis(20),new EventHandler<ActionEvent>() { //animation // public void handle(ActionEvent event) { // Rotate rotate = new Rotate(10*direction,130,120); // for(int i=0;i<arc.length;i++) // { // arc[i].getTransforms().add(rotate); // } // } // })); EventHandler<ActionEvent> eventHandler=e->{ Rotate rotate = new Rotate(10*direction,130,120); for(int i=0;i<arc.length;i++) { arc[i].getTransforms().add(rotate); } }; Timeline animation =new Timeline(new KeyFrame(Duration.millis(20),eventHandler)); animation.setCycleCount(Timeline.INDEFINITE);//永远运动的关键 Button pauseButton = new Button("Pause"); //pause button pauseButton.setOnAction(e->{ animation.pause(); }); Button resumeButton = new Button("Resume"); //resume button resumeButton.setOnAction(e->{ animation.play(); }); Button reverseButton = new Button("Reverse") ; //reverse button reverseButton.setOnAction(e->{ direction=-direction; }); HBox hbox = new HBox(25); //ox(buttons) hbox.setPadding(new Insets(200,0,0,20));//设置面板的边框的大小----顶右底左 hbox.getChildren().addAll(pauseButton,resumeButton,reverseButton); VBox vbox = new VBox(10); //box(pane,hbox) vbox.setAlignment(Pos.CENTER); vbox.getChildren().addAll(pane,hbox); vbox.setStyle("-fx-background-color:null"); Scene scene = new Scene(vbox,260,320); //scene vbox.layoutXProperty().bind(scene.widthProperty().subtract(260).divide(2)); primaryStage.setScene(scene); primaryStage.show(); } public static void main(String[] args) { launch(args); } }