import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.CubicCurve;
import javafx.scene.shape.Line;
import javafx.stage.Stage;
import javafx.util.Duration;
public class CubicCurveDemo extends Application
{
@Override
public void start( Stage stage )
{
double startX = 200, startY = 200;
DoubleProperty controlX1 = new SimpleDoubleProperty( 20 );
DoubleProperty controlY1 = new SimpleDoubleProperty( 20 );
DoubleProperty controlX2 = new SimpleDoubleProperty( 400 );
DoubleProperty controlY2 = new SimpleDoubleProperty( 20 );
double endX = 300, endY = 200;
// Linie von [controlX1, controlY1] nach [startX, startY]
Line line1 = new Line( 0, 0, startX, startY );
line1.startXProperty().bind( controlX1 );
line1.startYProperty().bind( controlY1 );
line1.setStrokeWidth( 2 );
// Linie von [controlX2, controlY2] nach [endX, endY]
Line line2 = new Line( 0, 0, endX, endY );
line2.startXProperty().bind( controlX2 );
line2.startYProperty().bind( controlY2 );
line2.setStrokeWidth( 2 );
// Animierte Kontrollpunkte
Timeline timeline = new Timeline( new KeyFrame( Duration.millis( 1000 ),
new KeyValue( controlX1, 300 ),
new KeyValue( controlY2, 300 ) ) );
timeline.setCycleCount( Timeline.INDEFINITE );
timeline.setAutoReverse( true );
timeline.play();
CubicCurve curve = new CubicCurve( startX, startY, 0, 0, 0, 0, endX, endY );
curve.controlX1Property().bind( controlX1 );
curve.controlY1Property().bind( controlY1 );
curve.controlX2Property().bind( controlX2 );
curve.controlY2Property().bind( controlY2 );
curve.setFill( null );
curve.setStroke( Color.BLUEVIOLET );
curve.setStrokeWidth( 3 );
stage.setScene( new Scene( new Group( line1, line2, curve ), 450, 300 ) );
stage.show();
}
public static void main( String[] args )
{
launch( args );
}
}
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