KeyFrame animation : KeyFrame « JavaFX « Java

1. Java
2. JavaFX
3. KeyFrame

KeyFrame animation

 

import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.animation.TimelineBuilder;
import javafx.application.Application;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.scene.GroupBuilder;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.SceneBuilder;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.scene.shape.RectangleBuilder;
import javafx.stage.Stage;
import javafx.util.Duration;

public class Main extends Application {
    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage stage) {
      DoubleProperty translate = new SimpleDoubleProperty();      
        stage.setTitle("Hello JavaFX");
        Rectangle node1 = RectangleBuilder.create()
            .x(0)
            .y(0)
            .width(10)
            .height(10)
            .fill(Color.RED)
            .build();
        node1.translateXProperty().bind(translate);

        Parent parent =  GroupBuilder.create()
            .children(node1)
            .translateX(250)
            .translateY(250)
            .build();        
        stage.setScene(SceneBuilder.create()
            .width(500)
            .height(500)
            .root(parent)
            .build());
        stage.show();

        TimelineBuilder.create()
            .cycleCount(Timeline.INDEFINITE)
            .keyFrames(
                new KeyFrame(
                    Duration.seconds(0),
                    new KeyValue(translate, -50)
                ),
                new KeyFrame(
                    Duration.seconds(2),
                    new KeyValue(translate, 250)
                )
            )
            .build().play();
    }
}

   
  

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