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* Copyright (c) 2011, 2012 Oracle and/or its affiliates.
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*
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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*/
//package colorfulcircles;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.effect.BlendMode;
import javafx.scene.effect.BoxBlur;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.LinearGradient;
import javafx.scene.paint.Stop;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Rectangle;
import javafx.scene.shape.StrokeType;
import javafx.stage.Stage;
import javafx.util.Duration;
import static java.lang.Math.random;
public class Main extends Application {
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) {
Group root = new Group();
Scene scene = new Scene(root, 800, 600, Color.BLACK);
primaryStage.setScene(scene);
Group circles = new Group();
for (int i = 0; i < 30; i++) {
Circle circle = new Circle(150, Color.web("white", 0.05));
circle.setStrokeType(StrokeType.OUTSIDE);
circle.setStroke(Color.web("white", 0.16));
circle.setStrokeWidth(4);
circles.getChildren().add(circle);
}
Rectangle colors = new Rectangle(scene.getWidth(), scene.getHeight(),
new LinearGradient(0f, 1f, 1f, 0f, true, CycleMethod.NO_CYCLE, new Stop[]{
new Stop(0, Color.web("#f8bd55")),
new Stop(0.14, Color.web("#c0fe56")),
new Stop(0.28, Color.web("#5dfbc1")),
new Stop(0.43, Color.web("#64c2f8")),
new Stop(0.57, Color.web("#be4af7")),
new Stop(0.71, Color.web("#ed5fc2")),
new Stop(0.85, Color.web("#ef504c")),
new Stop(1, Color.web("#f2660f")),}));
Group blendModeGroup =
new Group(new Group(new Rectangle(scene.getWidth(), scene.getHeight(),
Color.BLACK), circles), colors);
colors.setBlendMode(BlendMode.OVERLAY);
root.getChildren().add(blendModeGroup);
circles.setEffect(new BoxBlur(10, 10, 3));
Timeline timeline = new Timeline();
for (Node circle : circles.getChildren()) {
timeline.getKeyFrames().addAll(
new KeyFrame(Duration.ZERO, // set start position at 0
new KeyValue(circle.translateXProperty(), random() * 800),
new KeyValue(circle.translateYProperty(), random() * 600)),
new KeyFrame(new Duration(40000), // set end position at 40s
new KeyValue(circle.translateXProperty(), random() * 800),
new KeyValue(circle.translateYProperty(), random() * 600)));
}
// play 40s of animation
timeline.play();
primaryStage.show();
}
}
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