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| package test;
import javafx.animation.*;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ToolBar;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.transform.Translate;
import javafx.stage.Stage;
import javafx.util.Duration;
import java.util.Optional;
final public class Main extends Application {
final double width = 1000;
final double height = 800;
private Circle sprite;
private Transition currentAnimation;
private Timeline currentTimeline;
public static void main(final String... args) {
launch(args);
}
@Override
public void start(final Stage stage) throws Exception {
sprite = new Circle(10);
final var animationPane = new Pane() {
{
setMinWidth(width);
setMinHeight(height);
setPrefWidth(width);
setPrefHeight(height);
sprite.setFill(Color.RED);
sprite.setCenterX(0.5 * width);
sprite.setCenterY(0.1 * height);
getChildren().setAll(sprite);
}
};
final var transitionPropertiesButton = new Button("Transition - translate properties");
transitionPropertiesButton.setOnAction(event -> {
stopAndReset();
final var seg1 = new TranslateTransition();
seg1.setNode(sprite);
seg1.setToX(-0.4 * width);
seg1.setToY(0.4 * height);
seg1.setDuration(Duration.seconds(2));
final var seg2 = new TranslateTransition();
seg2.setNode(sprite);
seg2.setToX(0);
seg2.setToY(0.8 * height);
seg2.setDuration(Duration.seconds(2));
final var seg3 = new TranslateTransition();
seg3.setNode(sprite);
seg3.setToX(0.4 * width);
seg3.setToY(0.4 * height);
seg3.setDuration(Duration.seconds(2));
final var seg4 = new TranslateTransition();
seg4.setNode(sprite);
seg4.setToX(0);
seg4.setToY(0);
seg4.setDuration(Duration.seconds(2));
final var animation = new SequentialTransition();
animation.getChildren().setAll(seg1, seg2, seg3, seg4);
animation.setCycleCount(Animation.INDEFINITE);
currentAnimation = animation;
Platform.runLater(animation::play);
});
final var timelinePropertiesButton = new Button("Timeline - center properties");
timelinePropertiesButton.setOnAction(event -> {
stopAndReset();
final var timeline = new Timeline();
timeline.getKeyFrames().add(new KeyFrame(Duration.ZERO,
new KeyValue(sprite.centerXProperty(), 0.5 * width),
new KeyValue(sprite.centerYProperty(), 0.1 * height)));
timeline.getKeyFrames().add(new KeyFrame(Duration.seconds(2),
new KeyValue(sprite.centerXProperty(), 0.1 * width),
new KeyValue(sprite.centerYProperty(), 0.5 * height)));
timeline.getKeyFrames().add(new KeyFrame(Duration.seconds(4),
new KeyValue(sprite.centerXProperty(), 0.5 * width),
new KeyValue(sprite.centerYProperty(), 0.9 * height)));
timeline.getKeyFrames().add(new KeyFrame(Duration.seconds(6),
new KeyValue(sprite.centerXProperty(), 0.9 * width),
new KeyValue(sprite.centerYProperty(), 0.5 * height)));
timeline.getKeyFrames().add(new KeyFrame(Duration.seconds(8),
new KeyValue(sprite.centerXProperty(), 0.5 * width),
new KeyValue(sprite.centerYProperty(), 0.1 * height)));
timeline.setCycleCount(Timeline.INDEFINITE);
currentTimeline = timeline;
Platform.runLater(currentTimeline::play);
});
final var timelineTransformButton = new Button("Timeline - transform");
timelineTransformButton.setOnAction(event -> {
stopAndReset();
final var transform = new Translate();
sprite.getTransforms().setAll(transform);
final var timeline = new Timeline();
timeline.getKeyFrames().add(new KeyFrame(Duration.ZERO,
new KeyValue(transform.xProperty(), 0),
new KeyValue(transform.yProperty(), 0)));
timeline.getKeyFrames().add(new KeyFrame(Duration.seconds(2),
new KeyValue(transform.xProperty(), -0.4 * width),
new KeyValue(transform.yProperty(), 0.4 * height)));
timeline.getKeyFrames().add(new KeyFrame(Duration.seconds(4),
new KeyValue(transform.xProperty(), 0),
new KeyValue(transform.yProperty(), 0.8 * height)));
timeline.getKeyFrames().add(new KeyFrame(Duration.seconds(6),
new KeyValue(transform.xProperty(), 0.4 * width),
new KeyValue(transform.yProperty(), 0.4 * height)));
timeline.getKeyFrames().add(new KeyFrame(Duration.seconds(8),
new KeyValue(transform.xProperty(), 0),
new KeyValue(transform.yProperty(), 0)));
timeline.setCycleCount(Timeline.INDEFINITE);
currentTimeline = timeline;
Platform.runLater(currentTimeline::play);
});
final var stopButton = new Button("Stop");
stopButton.setOnAction(event -> stopAndReset());
final var toolBar = new ToolBar();
toolBar.getItems().setAll(transitionPropertiesButton, timelinePropertiesButton, timelineTransformButton, stopButton);
final var root = new BorderPane();
root.setTop(toolBar);
root.setCenter(animationPane);
final var scene = new Scene(root);
stage.setTitle("Test");
stage.setScene(scene);
stage.setResizable(false);
stage.show();
}
private void stopAndReset() {
Optional.ofNullable(currentAnimation)
.ifPresent(Transition::stop);
currentAnimation = null;
Optional.ofNullable(currentTimeline)
.ifPresent(Timeline::stop);
currentTimeline = null;
sprite.setTranslateX(0);
sprite.setTranslateY(0);
sprite.setCenterX(0.5 * width);
sprite.setCenterY(0.1 * height);
sprite.getTransforms().clear();
}
} |
