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リビジョン 88e074e8

高徹 高橋 徹 さんがほぼ11年前に追加

アニメーションの実現にTimeLineではなくRotateTransitionを使うように修正した

差分を表示:

AnalogClockDrawing/src/analogclock/AnalogClockDrawing.java
*/
package analogclock;
import java.io.File;
import java.io.IOException;
import java.time.LocalTime;
import java.util.List;
import static java.util.stream.Collectors.toList;
import java.util.stream.IntStream;
import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.animation.Interpolator;
import javafx.animation.RotateTransition;
import javafx.application.Application;
import javafx.embed.swing.SwingFXUtils;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.Pane;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.RadialGradient;
......
import javafx.scene.transform.Rotate;
import javafx.stage.Stage;
import javafx.util.Duration;
import javax.imageio.ImageIO;
/**
* アナログ時計（長針、短針、秒針）を表示するプログラム。
......
public class AnalogClockDrawing extends Application {
private static final double UNIT_SIZE = 100d;
private Rotate secondsHandRotation;
private Rotate minuteHandRotation;
private Rotate hourHandRotation;
@Override
public void start(Stage primaryStage) {
Group root = new Group();
StackPane root = new StackPane();
Node clockDial = createClockDial();
Node hourHand = createHourHand();
Node minuteHand = createMinuteHand();
Node secondHand = createSecondHand();
Node centerPoint = createCenter();
root.getChildren().addAll(
createDial(),
createMinuteHand(),
createHourHand(),
createSecondsHand(),
createTickMarks(),
createCenter()
clockDial, hourHand, minuteHand, secondHand, centerPoint
);
LocalTime time = LocalTime.now();
Timeline secondsAnimation = createRotateTimeline(Duration.seconds(60), getSecondsAngle(time), secondsHandRotation);
secondsAnimation.play();
Timeline minuteAnimation = createRotateTimeline(Duration.minutes(60), getMinuteAgnel(time), minuteHandRotation);
minuteAnimation.play();
Timeline hourAnimation = createRotateTimeline(Duration.hours(12), getHourAngle(time), hourHandRotation);
hourAnimation.play();
Scene scene = new Scene(root, UNIT_SIZE * 2, UNIT_SIZE * 2);
WritableImage snapshot = scene.snapshot(null);
try {
ImageIO.write(SwingFXUtils.fromFXImage(snapshot, null), "png", new File("clockSecondsHand.png"));
} catch (IOException ex) {
RotateTransition secondsTransition = createRotateTransition(Duration.seconds(60), secondHand, getSecondsAngle(time));
secondsTransition.play();
RotateTransition minuteTransition = createRotateTransition(Duration.minutes(60), minuteHand, getMinuteAgnel(time));
minuteTransition.play();
RotateTransition hourTransition = createRotateTransition(Duration.hours(12), hourHand, getHourAngle(time));
hourTransition.play();
}
primaryStage.setTitle("Hello World!");
Scene scene = new Scene(root);
primaryStage.setTitle("Clock");
primaryStage.setScene(scene);
primaryStage.show();
}
Timeline createRotateTimeline(Duration duration, int startAngle, Rotate rotate) {
Timeline timeline = new Timeline();
rotate.setAngle(startAngle);
timeline.getKeyFrames().add(
new KeyFrame(duration, new KeyValue(rotate.angleProperty(), startAngle + 360))
);
timeline.setCycleCount(Animation.INDEFINITE);
return timeline;
RotateTransition createRotateTransition(Duration duration, Node node, int startAngle) {
RotateTransition rt = new RotateTransition(duration, node);
rt.setFromAngle(startAngle);
rt.setByAngle(360);
rt.setCycleCount(Animation.INDEFINITE);
rt.setInterpolator(Interpolator.LINEAR);
return rt;
}
Node createClockDial() {
Pane pane = new Pane();
pane.getChildren().addAll(createCircle(), createTickMarks());
return pane;
}
// 時計の文字盤（背景）を作成する
Node createDial() {
Node createCircle() {
RadialGradient gradient = new RadialGradient(
0, 0, 0.5, 0.5, 0.5, true, CycleMethod.NO_CYCLE,
new Stop(0.8, Color.WHITE), new Stop(0.9, Color.BLACK), new Stop(0.95, Color.WHITE), new Stop(1.0, Color.BLACK)
......
// 時計の短針を作成する
Node createHourHand() {
hourHandRotation = new Rotate(0, UNIT_SIZE, UNIT_SIZE);
Pane pane = new Pane();
pane.setPrefSize(UNIT_SIZE * 2, UNIT_SIZE * 2);
Node hourHand = createHourOrMinuteHand(UNIT_SIZE * 0.4, Color.BLACK);
hourHand.getTransforms().add(hourHandRotation);
return hourHand;
pane.getChildren().add(hourHand);
return pane;
}
// 時計の長針を作成する
Node createMinuteHand() {
minuteHandRotation = new Rotate(0, UNIT_SIZE, UNIT_SIZE);
Pane pane = new Pane();
pane.setPrefSize(UNIT_SIZE * 2, UNIT_SIZE * 2);
Node minuteHand = createHourOrMinuteHand(UNIT_SIZE * 0.2, Color.BLACK);
minuteHand.getTransforms().add(minuteHandRotation);
return minuteHand;
pane.getChildren().add(minuteHand);
return pane;
}
// 時計の秒針を作成する
Node createSecondsHand() {
Node createSecondHand() {
Pane pane = new Pane();
pane.setPrefSize(UNIT_SIZE * 2, UNIT_SIZE * 2);
Line line = new Line(UNIT_SIZE, UNIT_SIZE * 1.1, UNIT_SIZE, UNIT_SIZE * 0.2);
secondsHandRotation = new Rotate(0, UNIT_SIZE, UNIT_SIZE);
line.getTransforms().add(secondsHandRotation);
return line;
pane.getChildren().add(line);
return pane;
}
// 時計の針を作成する

他の形式にエクスポート: Unified diff